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Revista Portuguesa de Estomatologia, Medicina Dentária e Cirurgia Maxilofacial
versão impressa ISSN 1646-2890versão On-line ISSN 1647-6700
Resumo
AMORIM, Mónica; DIAMANTINO, Fernanda; PEREIRA, Rui e JARDIM, Luís. Smartphone and computer cephalometric analysis: A trueness and precision study. Rev Port Estomatol Med Dent Cir Maxilofac [online]. 2022, vol.63, n.4, pp.204-212. Epub 30-Dez-2022. ISSN 1646-2890. https://doi.org/10.24873/j.rpemd.2022.12.1044.
Objectives:
Performing digital cephalometric analysis on apps is a convenient feature of handheld devices. The objective of this study was to assess the accuracy of the OneCeph cephalometric tracing app on a smartphone and computer.
Methods:
34 lateral cephalograms were traced in two sessions using three methods: OneCeph on a smartphone, OneCeph on a computer, and NemoCeph on a computer as the reference. For trueness analysis, the measurements were compared between each test method and the reference. For precision analysis, the measurements were compared between sessions.
Results:
Regarding trueness analysis, significant differences were found between OneCeph and NemoCeph for ANB (smartphone, -0.3±0.68; computer, -0.3±0.52), OL/SN (smartphone, -1.1±2.68; computer -2.0±2.98), and GoGn/SN (smartphone, -0.5±1.27; computer, -0.8±1.56). OneCeph reproducibility was high for all cephalometric variables except OL/SN, both on the smartphone and the computer (ICC [95%CI]: 0.888 [0.773-0.944] and 0.842 [0.583-0.931], respectively). Repeatability was high for all cephalometric variables except OL/SN and UINA on the smartphone (ICC [95%CI]: 0.889 [0.730-0.950] and 0.831 [0.687-0.912], respectively). Tracing time was significantly higher for both OneCeph methods.
Conclusions:
OneCeph demonstrated adequate accuracy and efficiency on both interfaces. Clinical judgment is advised when interpreting the measurement output of handheld devices, which may provide a higher frequency of gross landmark identification errors.
Palavras-chave : Accuracy; Apps; Cephalometry; Smartphone.