Correlation between photographic asymmetry and radiographic asymmetry in patients with Class II subdivision malocclusion

Angela Rita Pontes AZEVEDO, Guilherme JANSON, José Fernando Castanha HENRIQUES

The objective of this study was to evaluate the correlation between clinical asymmetry and radiographic asymmetry in patients with Class II subdivision malocclusion. The sample consisted of 42 individuals with complete Class II subdivision malocclusion, with a mean age of 15.21 years. Photographic asymmetry was assessed by measuring the relative difference in spatial position of soft tissue landmarks between right and left sides in frontal photographs. Radiographic asymmetry was assessed by measuring the relative difference in spatial position of dental and skeletal landmarks between right and left sides in both anteroposterior and transverse dimensions in the submentovertex and in the transverse and vertical dimensions in the postero-anterior radiographs. Pearson’s correlation test was performed between the asymmetries in the photographs and the asymmetries in the radiographs. In conclusion was observed that correlation between clinical and radiographic asymmetry was very weak.

Keywords: Class II subdivision. Mandibular asymmetry. Facial asymmetry.

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