<?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>S1646-28902020000100016</article-id>
<article-id pub-id-type="doi">10.24873/j.rpemd.2020.03.694</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Anatomic landmarks in the maxilla for guidance of anterior prosthetic teeth positioning]]></article-title>
<article-title xml:lang="pt"><![CDATA[Referências anatómicas na maxila para guiar o posicionamento de dentes artificiais anteriores]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Porfirio]]></surname>
<given-names><![CDATA[Fernando Marques Barbosa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[Dauro Douglas]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz]]></surname>
<given-names><![CDATA[Betania Guedes]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silveira]]></surname>
<given-names><![CDATA[Giordani Santos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Taitson]]></surname>
<given-names><![CDATA[Paulo Franco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Horta]]></surname>
<given-names><![CDATA[Adolpho Henrique Sarmento]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Seraidarian]]></surname>
<given-names><![CDATA[Paulo Isaias]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Pontifícia Universidade Católica de Minas Gerais (PUC Minas) Department of Dentistry ]]></institution>
<addr-line><![CDATA[Belo Horizonte MG]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Private practice  ]]></institution>
<addr-line><![CDATA[Belo Horizonte MG]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro Universitário UNI Department of Statistics ]]></institution>
<addr-line><![CDATA[Belo Horizonte MG]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>03</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>03</month>
<year>2020</year>
</pub-date>
<volume>61</volume>
<numero>1</numero>
<fpage>16</fpage>
<lpage>22</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S1646-28902020000100016&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S1646-28902020000100016&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S1646-28902020000100016&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objectives:  To obtain data supporting the establishment of bony anatomical parameters to guide the proper arrangement of anterior artificial teeth in the maxilla.  Methods:  A total of 60 skulls with all permanent anterior teeth, Angle Class I molar relationship, overjet and overbite of up to 3 mm, and alignment between the maxillary central incisors were selected. Three measurements were obtained: (A) distance from the labial surface of the maxillary central incisors to the incisive foramen (IF) posterior wall, (B) distance from the IF posterior wall to the distal portion of the posterior nasal spine, and (C) width of the maxillary central incisors. Pearson&#8217;s correlation test was applied to evaluate the correlations between the obtained measurements. The two-way analysis of variance was used to assess the influence of age and sex on measurements.  Results:  There was no correlation between the distances A and B, or between B and C, and only a weak correlation was noted between measurements A and C. Age and sex did not interfere with the results of the measurements. Distance A exhibited a relatively constant value of 15 mm.  Conclusions:  It was not possible to establish a mathematical correlation between the distance from the labial surface of the maxillary central incisors to the IF and the distance from the IF posterior wall to the posterior nasal spine. The 15-mm distance from the central incisors to the IF posterior wall could be an additional parameter to guide anteroposterior positioning of the maxillary anterior artificial teeth in cases of prosthetic rehabilitation.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Objetivos:  Obter dados para estabelecer parâmetros ósseos a fim de guiar o posicionamento adequado de dentes artificiais anteriores na maxila.  Métodos:  Um total de 60 crânios com todos os dentes permanentes anteriores, relação molar Classe I Angle, overjet e overbite ate 3 mm e alinhamento entre os incisivos centrais superiores foi selecionado. Três medições foram feitas: (A) distancia entre a superfície labial dos incisivos centrais superiores a parede posterior do forame incisivo (FI), (B) distancia entre a parede posterior do FI a porção distal da espinha nasal posterior e (C) largura do incisivos centrais superiores. O teste de correlação de Pearson foi aplicado para avaliar as correlações entre as medidas obtidas. A análise de variância de dois fatores foi utilizada para avaliar a influencia da faixa etária e do sexo nas medidas realizadas.  Resultados:  Não houve correlação entre as distancias A e B, e entre as medições B e C. Houve fraca correlação entre as medidas A e C. A idade e o sexo não interferiram nos resultados das medidas. A distância A exibiu um valor relativamente constante, de 15 mm.  Conclusões:  Não foi possível estabelecer uma correlação matemática entre a distancia da superfície labial dos incisivos centrais superiores ao FI e a distancia da parede posterior do FI a espinha nasal posterior. A distancia dos incisivos centrais até a parede posterior do FI em torno de 15 mm poderia ser um parâmetro adicional para guiar o posicionamento antero-posterior dos dentes artificiais anteriores superiores em casos de reabilitação protética.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Dental positioning]]></kwd>
<kwd lng="en"><![CDATA[Fixed partial denture]]></kwd>
<kwd lng="en"><![CDATA[Hard palate]]></kwd>
<kwd lng="en"><![CDATA[Incisive foramen]]></kwd>
<kwd lng="en"><![CDATA[Incisor]]></kwd>
<kwd lng="pt"><![CDATA[Posicionamento dentário]]></kwd>
<kwd lng="pt"><![CDATA[Prótese parcial fixa]]></kwd>
<kwd lng="pt"><![CDATA[Palato duro]]></kwd>
<kwd lng="pt"><![CDATA[Forame incisivo]]></kwd>
<kwd lng="pt"><![CDATA[Incisivo]]></kwd>
</kwd-group>
</article-meta>
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