Correlations between ANB, Wits and soft-tissue facial profile in a Brazilian population sample
DOI:
https://doi.org/10.34019/1982-8047.2024.v50.45531Keywords:
Cephalometry, Jaw relation record, Maxilla, Mandible, OrthodonticsAbstract
Introduction: The ANB angle and the Wits appraisal are common cephalometric tools for assessing anteroposterior jaw discrepancies. Assessment of a patient’s anatomy in the anteroposterior disharmony of the maxillary and mandibular should not be limited to hard-tissue relationships, but should also consider soft tissue involvement, such as the soft tissue facial profile angle. Objective: To evaluate the correlations between sagittal skeletal relationships established through ANB angle and Wits appraisal and to evaluate the soft-tissue facial profile angle, assessed by the G-Sn-Pog’ angle. Material and methods: The sample consisted of 300 individuals (129 male and 171 female). The ANB angle, the Wits appraisal, and by the G-Sn-Pog’ angle were obtained through lateral cephalograms. The facial profile was categorized into three groups. The correlation coefficients between ANB angle and Wits appraisal and between the soft-tissue facial profile angle and skeletal pattern were evaluated. Results: A significant correlation (p <.001) was observed between ANB angle and Wits appraisal (r= .738), between G-Sn-Pog’ and ANB angle (r= -.708), and between G-Sn-Pog’ and Wits appraisal (r= -.586). When assessed separately according to different groups of soft-tissue facial profiles, there was a weak correlation between ANB and Wits assessment in the low soft-tissue facial profile angle subjects (Group II), and a moderate correlation in the high soft-tissue facial profile angle subjects (Group III). Conclusion: The correlation between ANB angle and Wits was moderate to high, except in Group II soft-tissue facial profile subjects.
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Copyright (c) 2024 Rodrigo César Santiago, Marcio José da Silva Campos, Robert Willer Farinazzo Vitral, Jocimara Domiciano Fartes de Almeida Campos, Fernanda Ramos de Faria, Lincoln Issamu Nojima, Eduardo Franzotti Sant’Anna
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