Wylie-Johnson analysis of adolescents of Afro-Brazilian descent with normal occlusion: investigation of the mean values

Abstract

ObjectiveThe purpose of this study was to evaluate mean cephalometric measurements for a group of individuals of Afro-Brazilian descent using the Wylie-Johnson analysis, and to investigate the presence of sexual dimorphism. MethodsThirty-six lateral radiographs of the head of African-Brazilians were used. Subjects were 10 to 14 years old and had clinically normal occlusion, all permanent teeth, and no history of orthodontic treatment. were, respectively: SNA 88.31º and 89.68º; SNB 83.96º and 85.01º; ANB 4.44º and 4.69º; 1:1= 118.18º and 116.51º; Results Results for girls and boys