Evaluation of asymmetries between subjects with Class II subdivision and apparent facial asymmetry and those with normal occlusion

American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics
Angela Rita Pontes AzevedoMarcos Roberto de Freitas

Abstract

The objective of this study was to compare the degree of skeletal asymmetry between subjects with Class II subdivision malocclusion and apparent facial asymmetry and subjects with normal occlusion. The sample consisted of 23 subjects with Angle Class II subdivision malocclusions and apparent facial asymmetry (mean age, 15.78 years) and 30 subjects with normal occlusions (mean age, 22.42 years). Each had all permanent teeth, including first molars. 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 posteroanterior radiographs. Independent t tests were used to compare radiographic asymmetries between groups. Despite the predominantly dentoalveolar nature of the asymmetries found in Class II subdivision malocclusions with apparent facial asymmetry, the radiographic mandibular asymmetry was small in relation to Class II subdivision malocclusions in general. The components that contributed to the asymmetric anteroposterior relationship in the Class II subdivision malocclusion with apparent facial asymmetry w...Continue Reading

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Citations

Sep 25, 2012·Clinical Oral Investigations·Koray HaliciogluAhmet Ercan Sekerci
Sep 8, 2009·European Journal of Orthodontics·Gokmen KurtMete Ozer
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Jun 2, 2014·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Ilknur VeliTancan Uysal
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