<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1646-2890</journal-id>
<journal-title><![CDATA[Revista Portuguesa de Estomatologia, Medicina Dentária e Cirurgia Maxilofacial]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Port Estomatol Med Dent Cir Maxilofac]]></abbrev-journal-title>
<issn>1646-2890</issn>
<publisher>
<publisher-name><![CDATA[Sociedade Portuguesa de Estomatologia e Medicina Dentária]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1646-28902021000200069</article-id>
<article-id pub-id-type="doi">10.24873/j.rpemd.2021.03.829</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Prevalence of root canal system configurations in the brazilian population analyzed by cone-beam computed tomography - a systematic review]]></article-title>
<article-title xml:lang="pt"><![CDATA[Prevalência da configuração do sistema de canais radiculares na população brasileira analisada por tomografia computorizada de feixe cónico - revisão sistemática]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[Emmanuel J.N.L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Prado]]></surname>
<given-names><![CDATA[Marina Carvalho]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duarte]]></surname>
<given-names><![CDATA[Marco Antonio Hungaro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Versiani]]></surname>
<given-names><![CDATA[Marco Aurelio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marques]]></surname>
<given-names><![CDATA[Duarte]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[Jorge N.R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Grande Rio University School of Dentistry Department of Endodontics]]></institution>
<addr-line><![CDATA[Rio de Janeiro ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Rio de Janeiro State University Department of Endodontics ]]></institution>
<addr-line><![CDATA[Rio de Janeiro ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidade de São Paulo (USP) School of Dentistry Department of Endodontics]]></institution>
<addr-line><![CDATA[Bauru ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Brazilian Military Police Dental Specialty Center ]]></institution>
<addr-line><![CDATA[Minas Gerais ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidade de Lisboa Faculdade de Medicina Dentária Centro de Estudo de Medicina Dentária Baseada na Evidência]]></institution>
<addr-line><![CDATA[Lisbon ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Instituto de Implantologia  ]]></institution>
<addr-line><![CDATA[Lisbon ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>62</volume>
<numero>2</numero>
<fpage>69</fpage>
<lpage>80</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S1646-28902021000200069&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S1646-28902021000200069&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S1646-28902021000200069&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objectives:  This study performed a systematic review of anatomy prevalence studies using cone-beam computed tomography to comprehend the root and root canal configuration types in Brazilian sub-populations.  Methods:  This systematic review followed PRISMA&#8217;s statements. Four electronic databases (PubMed, ScienceDirect, Lilacs, and Cochrane Collaboration) were accessed using MeSH terms and free-text keywords. The studies were selected according to predefined criteria. References of the collected studies, three peer-reviewed endodontic journals, and two peer-reviewed evidence-based dentistry journals were hand searched. The authors were contacted for additional information, if necessary. Eligible studies were submitted to a scientific merit assessment by two evaluators independently, who reached a final consensus for each study score using the Joanna Briggs Institute Critical Appraisal tool for prevalence studies.  Results:  A total of 2266 studies were identified. After analysis, 20 full-text articles were accessed for eligibility and 17 were included for qualitative synthesis. A high prevalence of mandibular incisors presenting two root canals was noted (~35.0% - 40.0). Moreover, a high proportion of two-rooted (17.0% - 28.4%) and two root canals (50.1% - 75.0%) morphologies were identified in maxillary second premolars. A wide range and a high percentage of a second mesiobuccal canal were detected for both maxillary first (37.1% - 88.5%) and second molars (21.8% - 83.4%). A second root canal prevalence ranging from 12.4% to 23.4% was observed in the distal root of mandibular first molars.  Conclusions:  In conclusion, different Brazilian sub-populations may present divergent characteristics regarding the root and root canal configurations. Clinicians should be aware of these variations for proper planning of endodontic treatment.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Objetivos:  Este estudo realizou uma revisão sistemática de estudos de prevalência da anatomia analisados por tomografia computadorizada de feixe cônico no intuito de compreender os tipos de configuração da raiz e do canal radicular em subpopulações brasileiras.  Métodos:  Esta revisão sistemática seguiu os princípios da PRISMA. Quatro bases de dados eletrônicas (PubMed, ScienceDirect, Lilacs e Cochrane Collaboration) foram acessadas utilizando-se termos MeSH e palavras-chave de termos livre. Os estudos foram selecionados de acordo com critérios pré-definidos. Referências dos estudos coletados, 3 jornais endodônticos com revisão em pares e 2 jornais odontológicos com revisão em pares baseados em evidência científica foram manualmente pesquisados. Os autores foram contatados para informações adicionais, se necessário. Os estudos elegíveis foram submetidos a uma avaliação de mérito científico independentemente por 2 avaliadores, os quais também alcançaram um consenso para o escore de cada estudo utilizando-se a ferramenta Joanna Briggs Institute Critical Appraisal para estudos de prevalência.  Resultados:  Um total de 2.266 estudos foram identificados. Após análise, 20 artigos de periódicos em textos completos foram avaliados para elegibilidade e 17 foram incluídos para síntese quantitativa. Uma alta prevalência de incisivos inferiores apresentando dois canais radiculares foi observada (~35.0% - 40.0%). Além disso, uma alta proporção de segundos pré-molares superiores apresentando morfologia bi-radicular (17.0% - 28.4%) e dois canais radiculares (50.1% - 75.0%) foi identificada. Uma elevada variação e alta prevalência de segundo canal mésio-vestibular foram detectadas para ambos primeiros (37.1% - 88.5%) e segundos (21.8% - 83.4%) molares. Uma prevalência de segundo canal radicular variando entre 12.4% a 23.4% foi observada na raiz distal de primeiros molares inferiores.  Conclusões:  Em conclusão, diferentes subpopulações brasileiras podem apresentar diferentes características em relação a configuração da raiz e do canal radicular. Os clínicos devem estar cientes destas variações para adequado planejamento do tratamento endodôntico.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Anatomy]]></kwd>
<kwd lng="en"><![CDATA[Brazil]]></kwd>
<kwd lng="en"><![CDATA[Cone-beam computed tomography]]></kwd>
<kwd lng="en"><![CDATA[Prevalence]]></kwd>
<kwd lng="en"><![CDATA[Root canal therapy]]></kwd>
<kwd lng="en"><![CDATA[Systematic review]]></kwd>
<kwd lng="pt"><![CDATA[Brasil]]></kwd>
<kwd lng="pt"><![CDATA[Tomografia computadorizada de feixe conico]]></kwd>
<kwd lng="pt"><![CDATA[Prevalencia]]></kwd>
<kwd lng="pt"><![CDATA[Tratamento dos canais radiculares]]></kwd>
<kwd lng="pt"><![CDATA[Revisao sistemática]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tabassum]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Khan]]></surname>
<given-names><![CDATA[FR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Failure of endodontic treatment: The usual suspects]]></article-title>
<source><![CDATA[Eur J Dent]]></source>
<year>2016</year>
<volume>10</volume>
<page-range>144-7</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Costa]]></surname>
<given-names><![CDATA[FFNP]]></given-names>
</name>
<name>
<surname><![CDATA[Pacheco-Yanes]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Siqueira]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[ACS]]></given-names>
</name>
<name>
<surname><![CDATA[Gazzaneo]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Amorim]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Association between missed canals and apical periodontitis]]></article-title>
<source><![CDATA[Int Endod J]]></source>
<year>2019</year>
<volume>52</volume>
<page-range>400-6</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Patel]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Semper]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Abella]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Mannocci]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[European Society of Endodontology position statement: Use of cone beam computed tomography in Endodontics: European Society of Endodontology (ESE) developed by]]></article-title>
<source><![CDATA[Int Endod J]]></source>
<year>2019</year>
<volume>52</volume>
<page-range>1675-8</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="">
<article-title xml:lang=""><![CDATA[Cone-Beam computed tomography in Endodontics]]></article-title>
<source><![CDATA[AAE]]></source>
<year>2009</year>
<page-range>1-8</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[JNR]]></given-names>
</name>
<name>
<surname><![CDATA[Marques]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[EJNL]]></given-names>
</name>
<name>
<surname><![CDATA[Carames]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Versiani]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalence studies on root canal anatomy using cone-beam computed tomographic imaging: A systematic review]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2019</year>
<volume>372</volume>
<page-range>386.e4</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Patel]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Pimentel]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Kelly]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
<name>
<surname><![CDATA[Abella]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Durack]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<source><![CDATA[Int Endod J]]></source>
<year>2019</year>
<volume>1138</volume>
<page-range>52</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[von Zuben]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[JNR]]></given-names>
</name>
<name>
<surname><![CDATA[Berti]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Cassim]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Flynn]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzalez]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
</person-group>
<source><![CDATA[J Endod]]></source>
<year>2017</year>
<volume>43</volume>
<page-range>1442-7</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[JNR]]></given-names>
</name>
<name>
<surname><![CDATA[Gu]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Marques]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Francisco]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Carames]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[J Endod]]></source>
<year>2018</year>
<volume>44</volume>
<page-range>1096-104</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[JNR]]></given-names>
</name>
<name>
<surname><![CDATA[Marques]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[EJNL]]></given-names>
</name>
<name>
<surname><![CDATA[Carames]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Mata]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Versiani]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalence of C-shaped canal morphology using cone beam computed tomography - a systematic review with meta-analysis]]></article-title>
<source><![CDATA[Int Endod J]]></source>
<year>2019</year>
<volume>1556</volume>
<page-range>72</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[EJNL]]></given-names>
</name>
<name>
<surname><![CDATA[Nejaim]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[AV]]></given-names>
</name>
<name>
<surname><![CDATA[Haiter-Neto]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Cohenca]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of root canal configuration of mandibular molars in a Brazilian population by using cone-beam computed tomography: An in vivo study]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2013</year>
<volume>39</volume>
<page-range>849-52</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[EJNL]]></given-names>
</name>
<name>
<surname><![CDATA[Nejaim]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[AIV]]></given-names>
</name>
<name>
<surname><![CDATA[Haiter-Neto]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Zaia]]></surname>
<given-names><![CDATA[AA]]></given-names>
</name>
<name>
<surname><![CDATA[Cohenca]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of root canal configuration of maxillary molars in a Brazilian population using cone-beam computed tomographic imaging: An in vivo study]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2014</year>
<volume>40</volume>
<page-range>173-6</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carvalho]]></surname>
<given-names><![CDATA[CN]]></given-names>
</name>
<name>
<surname><![CDATA[Martinelli]]></surname>
<given-names><![CDATA[JR]]></given-names>
</name>
<name>
<surname><![CDATA[Bauer]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Haapasalo]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Shen]]></surname>
<given-names><![CDATA[YY]]></given-names>
</name>
<name>
<surname><![CDATA[Bradaschia-Correa]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of radiopacity, pH, release of calcium ions, and flow of a bioceramic root canal sealer]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2014</year>
<volume>36</volume>
<page-range>1-7</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodrigues]]></surname>
<given-names><![CDATA[CT]]></given-names>
</name>
<name>
<surname><![CDATA[de Oliveira-Santos]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Bernardineli]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Duarte]]></surname>
<given-names><![CDATA[MAH]]></given-names>
</name>
<name>
<surname><![CDATA[Bramante]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Minotti-Bonfante]]></surname>
<given-names><![CDATA[PG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalence and morphometric analysis of three-rooted mandibular first molars in a Brazilian subpopulation]]></article-title>
<source><![CDATA[J Appl Oral Sci]]></source>
<year>2016</year>
<volume>24</volume>
<page-range>535-42</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shamseer]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Moher]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Clarke]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Ghersi]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Liberati]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Petticrew]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Preferred reporting items for systematic review and meta-analysis protocols (prisma-p) 2015: Elaboration and explanation]]></article-title>
<source><![CDATA[BMJ]]></source>
<year>2015</year>
</nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Munn]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Peters]]></surname>
<given-names><![CDATA[MDJ]]></given-names>
</name>
<name>
<surname><![CDATA[Stern]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Tufanaru]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[McArthur]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Aromataris]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Systematic review or scoping review? Guidance for authors when choosing between a systematic or scoping review approach]]></article-title>
<source><![CDATA[BMC Med Res Methodol]]></source>
<year>2018</year>
<volume>18</volume>
</nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Saletta]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Garcia]]></surname>
<given-names><![CDATA[JJ]]></given-names>
</name>
<name>
<surname><![CDATA[Carames]]></surname>
<given-names><![CDATA[JMM]]></given-names>
</name>
<name>
<surname><![CDATA[Schliephake]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[da Silva Marques]]></surname>
<given-names><![CDATA[DN]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Quality assessment of systematic reviews on vertical bone regeneration]]></article-title>
<source><![CDATA[Int J Oral Maxillofac Surg]]></source>
<year>2019</year>
<volume>48</volume>
<page-range>364-72</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[JNR]]></given-names>
</name>
<name>
<surname><![CDATA[Marques]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[EJNL]]></given-names>
</name>
<name>
<surname><![CDATA[Carames]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Mata]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Versiani]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of demographic factors on the prevalence of a second rot canal in mandibular anterior teeth - a systematic review and meta-analysis of crosssectional studies using cone beam computed tomography]]></article-title>
<source><![CDATA[Arch Oral Biol]]></source>
<year>2020</year>
<volume>116</volume>
<page-range>104749</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ladeira]]></surname>
<given-names><![CDATA[DBS]]></given-names>
</name>
<name>
<surname><![CDATA[Cruz]]></surname>
<given-names><![CDATA[AD]]></given-names>
</name>
<name>
<surname><![CDATA[Freitas]]></surname>
<given-names><![CDATA[DQ]]></given-names>
</name>
<name>
<surname><![CDATA[Almeida]]></surname>
<given-names><![CDATA[SM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalence of C-shaped root canal in a Brazilian subpopulation: A conebeam computed tomography analysis]]></article-title>
<source><![CDATA[Braz Oral Res]]></source>
<year>2014</year>
<volume>28</volume>
<page-range>39-45</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Caputo]]></surname>
<given-names><![CDATA[BV]]></given-names>
</name>
<name>
<surname><![CDATA[Noro Filho]]></surname>
<given-names><![CDATA[GA]]></given-names>
</name>
<name>
<surname><![CDATA[de Andrade Salgado]]></surname>
<given-names><![CDATA[DMR]]></given-names>
</name>
<name>
<surname><![CDATA[Moura-Netto]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Giovani]]></surname>
<given-names><![CDATA[EM]]></given-names>
</name>
<name>
<surname><![CDATA[Costa]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of the root canal morphology of molars by using cone-beam computed tomography in a Brazilian population: Part I]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2016</year>
<volume>42</volume>
<page-range>1604-7</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Azevedo]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
<name>
<surname><![CDATA[Gouveia]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Tavares]]></surname>
<given-names><![CDATA[JN]]></given-names>
</name>
<name>
<surname><![CDATA[Caldas]]></surname>
<given-names><![CDATA[IM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sex estimation using the mandibular canine index components]]></article-title>
<source><![CDATA[Forensic Sci Med Pathol]]></source>
<year>2019</year>
<volume>15</volume>
<page-range>191-7</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Abuabara]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Schreiber]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Baratto Filho]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Cruz]]></surname>
<given-names><![CDATA[GV]]></given-names>
</name>
<name>
<surname><![CDATA[Guerino]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<source><![CDATA[Analysis of external anatomy of maxillary first molar evaluated by cone beam computed tomography]]></source>
<year>2008</year>
<page-range>38-40</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Abuabara]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Baratto-Filho]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Aguiar Anele]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Leonardi]]></surname>
<given-names><![CDATA[DP]]></given-names>
</name>
<name>
<surname><![CDATA[Sousa-Neto]]></surname>
<given-names><![CDATA[MD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efficacy of clinical and radiological methods to identify second mesiobuccal canals in maxillary first molars]]></article-title>
<source><![CDATA[Acta Odontol Scand]]></source>
<year>2013</year>
<volume>71</volume>
<page-range>205-9</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gomes Alves]]></surname>
<given-names><![CDATA[CR]]></given-names>
</name>
<name>
<surname><![CDATA[Martins Marques]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Stella Moreira]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Harumi Miyagi de Cara]]></surname>
<given-names><![CDATA[SP]]></given-names>
</name>
<name>
<surname><![CDATA[Silveira Bueno]]></surname>
<given-names><![CDATA[CE]]></given-names>
</name>
<name>
<surname><![CDATA[Lascala]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Second mesiobuccal root canal of maxillary first molars in a Brazilian population in high-resolution cone-beam computed tomography]]></article-title>
<source><![CDATA[Iran Endod J]]></source>
<year>2018</year>
<volume>13</volume>
<page-range>71-7</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Caputo]]></surname>
<given-names><![CDATA[BV]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estudo da tomografia computadorizada de feixe conico na avaliacao morfologica de raizes e canais dos molares e pre molares da populacao brasileira]]></article-title>
<source><![CDATA[University of Sao Paulo]]></source>
<year>2014</year>
</nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baratto Filho]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Zaitter]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Haragushiku]]></surname>
<given-names><![CDATA[GA]]></given-names>
</name>
<name>
<surname><![CDATA[de Campos]]></surname>
<given-names><![CDATA[EA]]></given-names>
</name>
<name>
<surname><![CDATA[Abuabara]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Correr]]></surname>
<given-names><![CDATA[GM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Analysis of the internal anatomy of maxillary first molars by using different methods]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2009</year>
<volume>35</volume>
<page-range>337-42</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Miranda Candeiro]]></surname>
<given-names><![CDATA[GT]]></given-names>
</name>
<name>
<surname><![CDATA[Dos Santos Goncalves]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[De Araujo Lopes]]></surname>
<given-names><![CDATA[LL]]></given-names>
</name>
<name>
<surname><![CDATA[De Freitas Lima]]></surname>
<given-names><![CDATA[IT]]></given-names>
</name>
<name>
<surname><![CDATA[Alencar]]></surname>
<given-names><![CDATA[PNB]]></given-names>
</name>
<name>
<surname><![CDATA[Iglecias]]></surname>
<given-names><![CDATA[EF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Internal configuration of maxillary molars in a subpopulation of Brazil&#8217;s northeast region: A CBCT analysis]]></article-title>
<source><![CDATA[Braz Oral Res]]></source>
<year>2019</year>
<volume>33</volume>
</nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Estrela]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Bueno]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
<name>
<surname><![CDATA[Couto]]></surname>
<given-names><![CDATA[GS]]></given-names>
</name>
<name>
<surname><![CDATA[Rabelo]]></surname>
<given-names><![CDATA[LEG]]></given-names>
</name>
<name>
<surname><![CDATA[Alencar]]></surname>
<given-names><![CDATA[AHG]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[RG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Study of root canal anatomy in human permanent teeth in a subpopulation of Brazil&#8217;s center region using cone-beam computed tomography - Part 1]]></article-title>
<source><![CDATA[Braz Dent J]]></source>
<year>2015</year>
<volume>26</volume>
<page-range>530-6</page-range></nlm-citation>
</ref>
<ref id="B28">
<label>28</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Falcão]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
<name>
<surname><![CDATA[Albuquerque]]></surname>
<given-names><![CDATA[VC]]></given-names>
</name>
<name>
<surname><![CDATA[Amorim]]></surname>
<given-names><![CDATA[NL]]></given-names>
</name>
<name>
<surname><![CDATA[Freitas]]></surname>
<given-names><![CDATA[SA]]></given-names>
</name>
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[TC]]></given-names>
</name>
<name>
<surname><![CDATA[Matos]]></surname>
<given-names><![CDATA[FT]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Frequency of the mesiopalatal canal in upper first permanent molars viewed through computed tomography]]></article-title>
<source><![CDATA[Acta Odontol Latinoam]]></source>
<year>2016</year>
<volume>29</volume>
<page-range>54-9</page-range></nlm-citation>
</ref>
<ref id="B29">
<label>29</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[de Lima]]></surname>
<given-names><![CDATA[CO]]></given-names>
</name>
<name>
<surname><![CDATA[de Souza]]></surname>
<given-names><![CDATA[LC]]></given-names>
</name>
<name>
<surname><![CDATA[Devito]]></surname>
<given-names><![CDATA[KL]]></given-names>
</name>
<name>
<surname><![CDATA[do Prado]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Campos]]></surname>
<given-names><![CDATA[CN]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of root canal morphology of maxillary premolars: a cone-beam computed tomography study]]></article-title>
<source><![CDATA[Aust Endod J]]></source>
<year>2019</year>
<volume>45</volume>
<page-range>196-201</page-range></nlm-citation>
</ref>
<ref id="B30">
<label>30</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mohara]]></surname>
<given-names><![CDATA[NT]]></given-names>
</name>
<name>
<surname><![CDATA[Coelho]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
<name>
<surname><![CDATA[de Queiroz]]></surname>
<given-names><![CDATA[NV]]></given-names>
</name>
<name>
<surname><![CDATA[Borreau]]></surname>
<given-names><![CDATA[MLS]]></given-names>
</name>
<name>
<surname><![CDATA[Nishioka]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[de Jesus Soares]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Eur J Dent]]></source>
<year>2019</year>
<volume>13</volume>
<page-range>82-7</page-range></nlm-citation>
</ref>
<ref id="B31">
<label>31</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Reis]]></surname>
<given-names><![CDATA[AGDAR]]></given-names>
</name>
<name>
<surname><![CDATA[Grazziotin-Soares]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Barletta]]></surname>
<given-names><![CDATA[FB]]></given-names>
</name>
<name>
<surname><![CDATA[Fontanella]]></surname>
<given-names><![CDATA[VRC]]></given-names>
</name>
<name>
<surname><![CDATA[Mahl]]></surname>
<given-names><![CDATA[CRW]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Second canal in mesiobuccal root of maxillary molars is correlated with root third and patient age: A conebeam computed tomographic study]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2013</year>
<volume>39</volume>
<page-range>588-92</page-range></nlm-citation>
</ref>
<ref id="B32">
<label>32</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[da Silva]]></surname>
<given-names><![CDATA[EJNL]]></given-names>
</name>
<name>
<surname><![CDATA[de Castro]]></surname>
<given-names><![CDATA[RWQ]]></given-names>
</name>
<name>
<surname><![CDATA[Nejaim]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[AIV]]></given-names>
</name>
<name>
<surname><![CDATA[Haiter-Neto]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Silberman]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of root canal configuration of maxillary and mandibular anterior teeth using cone beam computed tomography: An in-vivo study]]></article-title>
<source><![CDATA[Quintessence Int]]></source>
<year>2016</year>
<volume>47</volume>
<page-range>19-24</page-range></nlm-citation>
</ref>
<ref id="B33">
<label>33</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[JNR]]></given-names>
</name>
<name>
<surname><![CDATA[Alkhawas]]></surname>
<given-names><![CDATA[MBAM]]></given-names>
</name>
<name>
<surname><![CDATA[Altaki]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Bellardini]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Berti]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Boveda]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Worldwide analyses of maxillary first molar second mesiobuccal prevalence: a multicentre cone-beam computed tomographic study]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2018</year>
<volume>44</volume>
<page-range>1641-1649.e1</page-range></nlm-citation>
</ref>
<ref id="B34">
<label>34</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Low]]></surname>
<given-names><![CDATA[KMT]]></given-names>
</name>
<name>
<surname><![CDATA[Dula]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Burgin]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[von Arx]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of periapical radiography and limited cone-beam tomography in posterior maxillary teeth referred for apical surgery]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2008</year>
<volume>34</volume>
<page-range>557-62</page-range></nlm-citation>
</ref>
<ref id="B35">
<label>35</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Altunsoy]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Ok]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Nur]]></surname>
<given-names><![CDATA[BG]]></given-names>
</name>
<name>
<surname><![CDATA[Aglarci]]></surname>
<given-names><![CDATA[OS]]></given-names>
</name>
<name>
<surname><![CDATA[Gungor]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Colak]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A cone-beam computed tomography study of the root canal morphology of anterior teeth in a Turkish population]]></article-title>
<source><![CDATA[Eur J Dent]]></source>
<year>2014</year>
<volume>8</volume>
<page-range>302-6</page-range></nlm-citation>
</ref>
<ref id="B36">
<label>36</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Monsarrat]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Arcaute]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Peters]]></surname>
<given-names><![CDATA[OA]]></given-names>
</name>
<name>
<surname><![CDATA[Maury]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Telmon]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Georgelin-Gurgel]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Interrelationships in the variability of root canal anatomy among the permanent teeth: A full-mouth approach by cone-beam CT]]></article-title>
<source><![CDATA[PLoS One]]></source>
<year>2016</year>
<volume>11</volume>
</nlm-citation>
</ref>
<ref id="B37">
<label>37</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Deus]]></surname>
<given-names><![CDATA[QD]]></given-names>
</name>
<name>
<surname><![CDATA[Horizonte]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Frequency, location, and direction of the lateral, secondary, and accessory canals]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>1975</year>
<volume>1</volume>
<page-range>361-6</page-range></nlm-citation>
</ref>
<ref id="B38">
<label>38</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chaves]]></surname>
<given-names><![CDATA[JFM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Avaliacao, por meio de microtomografia computadorizada, da anatomia interna de dentes anteriores superiores]]></article-title>
<source><![CDATA[University of Sao Paulo]]></source>
<year>2015</year>
</nlm-citation>
</ref>
<ref id="B39">
<label>39</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Luo]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Dou]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[CBCT study of root and canal morphology of permanent mandibular incisors in a Chinese population]]></article-title>
<source><![CDATA[Acta Odontol Scand]]></source>
<year>2014</year>
<volume>72</volume>
<page-range>26-30</page-range></nlm-citation>
</ref>
<ref id="B40">
<label>40</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Haghanifar]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Moudi]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Bijani]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Ghanbarabadi]]></surname>
<given-names><![CDATA[MK]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Morphologic assessment of mandibular anterior teeth root canal using CBCT]]></article-title>
<source><![CDATA[Acta Med Acad]]></source>
<year>2017</year>
<volume>46</volume>
<page-range>85-93</page-range></nlm-citation>
</ref>
<ref id="B41">
<label>41</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhengyan]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Keke]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Fei]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Yueheng]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Zhi]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cone-beam computed tomography study of the root and canal morphology of mandibular permanent anterior teeth in a Chongqing population]]></article-title>
<source><![CDATA[Ther Clin Risk Manag]]></source>
<year>2015</year>
<volume>12</volume>
<page-range>19-25</page-range></nlm-citation>
</ref>
<ref id="B42">
<label>42</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Han]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Ma]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A study of the root canal morphology of mandibular anterior teeth using cone-beam computed tomography in a Chinese subpopulation]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2014</year>
<volume>40</volume>
<page-range>1309-14</page-range></nlm-citation>
</ref>
<ref id="B43">
<label>43</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lin]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Hu]]></surname>
<given-names><![CDATA[Q]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Ge]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Zhu]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Use of CBCT to investigate the root canal morphology of mandibular incisors]]></article-title>
<source><![CDATA[Surg Radiol Anat]]></source>
<year>2014</year>
<volume>36</volume>
<page-range>877-82</page-range></nlm-citation>
</ref>
<ref id="B44">
<label>44</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Prado]]></surname>
<given-names><![CDATA[MC]]></given-names>
</name>
<name>
<surname><![CDATA[Gusman]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Belladonna]]></surname>
<given-names><![CDATA[FG]]></given-names>
</name>
<name>
<surname><![CDATA[Prado]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Ormiga]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effectiveness of three methods for evaluating root canal anatomy of mandibular incisors]]></article-title>
<source><![CDATA[J Oral Sci]]></source>
<year>2016</year>
<volume>58</volume>
<page-range>347-51</page-range></nlm-citation>
</ref>
<ref id="B45">
<label>45</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Leoni]]></surname>
<given-names><![CDATA[GB]]></given-names>
</name>
<name>
<surname><![CDATA[Versiani]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Pecora]]></surname>
<given-names><![CDATA[JD]]></given-names>
</name>
<name>
<surname><![CDATA[Damiao De Sousa-Neto]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Micro-computed tomographic analysis of the root canal morphology of mandibular incisors]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2014</year>
<volume>40</volume>
<page-range>710-6</page-range></nlm-citation>
</ref>
<ref id="B46">
<label>46</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shemesh]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Kavalerchik]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Levin]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Ben Itzhak]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Levinson]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Lvovsky]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Root canal morphology evaluation of central and lateral mandibular incisors using cone-beam computed tomography in an Israeli population]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2018</year>
<volume>44</volume>
<page-range>51-5</page-range></nlm-citation>
</ref>
<ref id="B47">
<label>47</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Burklein]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Heck]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Schafer]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of the root canal anatomy of maxillary and mandibular premolars in a selected German population using cone-beam computed tomographic data]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2017</year>
<volume>43</volume>
<page-range>1448-52</page-range></nlm-citation>
</ref>
<ref id="B48">
<label>48</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gu]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Zhou]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Ding]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Detection of root variations of permanent teeth in a northwestern Chinese population by cone-beam computed tomography]]></article-title>
<source><![CDATA[Chinese J Conserv Dent J Conserv Dent]]></source>
<year>2011</year>
<volume>21</volume>
<page-range>499-505</page-range></nlm-citation>
</ref>
<ref id="B49">
<label>49</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Tian]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Han]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Use of cone-beam computed tomography to evaluate root canal morphology and locate root canal orifices of maxillary second premolars in a Chinese subpopulation]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2014</year>
<volume>40</volume>
<page-range>630-4</page-range></nlm-citation>
</ref>
<ref id="B50">
<label>50</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Abella]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Teixido]]></surname>
<given-names><![CDATA[LM]]></given-names>
</name>
<name>
<surname><![CDATA[Patel]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Sosa]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Duran-Sindreu]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Roig]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cone-beam computed tomography analysis of the root canal morphology of maxillary first and second premolars in a Spanish population]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2015</year>
<volume>41</volume>
<page-range>1241-7</page-range></nlm-citation>
</ref>
<ref id="B51">
<label>51</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Coelho]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
<name>
<surname><![CDATA[Lacerda]]></surname>
<given-names><![CDATA[MFLS]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[MHC]]></given-names>
</name>
<name>
<surname><![CDATA[Rios M de]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Locating the second mesiobuccal canal in maxillary molars: Challenges and solutions]]></article-title>
<source><![CDATA[Clin Cosmet Investig Dent]]></source>
<year>2018</year>
<page-range>195-202</page-range></nlm-citation>
</ref>
<ref id="B52">
<label>52</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pan]]></surname>
<given-names><![CDATA[JYY]]></given-names>
</name>
<name>
<surname><![CDATA[Parolia]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Chuah]]></surname>
<given-names><![CDATA[SR]]></given-names>
</name>
<name>
<surname><![CDATA[Bhatia]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Mutalik]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Pau]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Root canal morphology of permanent teeth in a Malaysian subpopulation using cone-beam computed tomography]]></article-title>
<source><![CDATA[BMC Oral Health]]></source>
<year>2019</year>
<volume>19</volume>
</nlm-citation>
</ref>
<ref id="B53">
<label>53</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Su]]></surname>
<given-names><![CDATA[C-C]]></given-names>
</name>
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[R-Y]]></given-names>
</name>
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[Y-C]]></given-names>
</name>
<name>
<surname><![CDATA[Cheng]]></surname>
<given-names><![CDATA[W-C]]></given-names>
</name>
<name>
<surname><![CDATA[Chiang]]></surname>
<given-names><![CDATA[H-S]]></given-names>
</name>
<name>
<surname><![CDATA[Chung]]></surname>
<given-names><![CDATA[M-P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Detection and location of second mesiobuccal canal in permanent maxillary teeth: A cone-beam computed tomography analysis in a Taiwanese population]]></article-title>
<source><![CDATA[Arch Oral Biol]]></source>
<year>2019</year>
<volume>98</volume>
<page-range>108-14</page-range></nlm-citation>
</ref>
<ref id="B54">
<label>54</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alacam]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Tinaz]]></surname>
<given-names><![CDATA[AC]]></given-names>
</name>
<name>
<surname><![CDATA[Genc]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Kayaoglu]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Second mesiobuccal canal detection in maxillary first molars using microscopy and ultrasonics]]></article-title>
<source><![CDATA[Aust Endod J]]></source>
<year>2008</year>
<volume>34</volume>
<page-range>106-9</page-range></nlm-citation>
</ref>
<ref id="B55">
<label>55</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Versiani]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Ordinola-Zapata]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Kele&#351;]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Alcin]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Bramante]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Pecora]]></surname>
<given-names><![CDATA[JD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Middle mesial canals in mandibular first molars: A micro-CT study in different populations]]></article-title>
<source><![CDATA[Arch Oral Biol]]></source>
<year>2016</year>
<volume>61</volume>
<page-range>130-7</page-range></nlm-citation>
</ref>
<ref id="B56">
<label>56</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Prade]]></surname>
<given-names><![CDATA[AC]]></given-names>
</name>
<name>
<surname><![CDATA[Mostardeiro R da]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Tiburcio-Machado]]></surname>
<given-names><![CDATA[CDS]]></given-names>
</name>
<name>
<surname><![CDATA[Morgental]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
<name>
<surname><![CDATA[Bier]]></surname>
<given-names><![CDATA[CAS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Detectability of middle mesial canal in mandibular molar after troughing using ultrasonics and magnification: An ex vivo study]]></article-title>
<source><![CDATA[Braz Dent J]]></source>
<year>2019</year>
<volume>30</volume>
<page-range>227-31</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
