Abstract
OBJECTIVE: The aim of this study was to determine the standards of facial height in 30 young (14-year-old) Japanese-Brazilian descendants with normal occlusion, and assess whether sexual dimorphism is evident. METHODS: The cephalometric measurements used followed the analyses by Wylie-Johnson, Siriwat-Jarabak, Gebeck, Merrifield and Horn. RESULTS: Results showed dimorphism for total anterior facial height (TAFH), lower anterior facial height (LAFH), anterior facial height (AFH), total posterior facial height (TPFH) and upper posterior facial height (UPFH) measurements. CONCLUSIONS: The standards of facial heights in young Japanese-Brazilian descendants with normal occlusion were observed. Sexual dimorphism was identified in five out of thirteen evaluated variables at this age range.
Highlights
Within the context of contemporary Orthodontics, making accurate diagnosis and prognosis determines whether a clinician can provide patients with the best cost-benefit treatment
Sexual dimorphism was assessed by means of independent t-test set at 5% significance level
Sexual dimorphism in the Japanese-Brazilian descendent sample leads us to the conclusion that lower anterior facial height contributed significantly to the dimorphism found in total anterior facial height (TAFH)
Summary
The aim of this study was to determine the standards of facial height in 30 young (14-year-old) JapaneseBrazilian descendants with normal occlusion, and assess whether sexual dimorphism is evident. Conclusions: The standards of facial heights in young Japanese-Brazilian descendants with normal occlusion were observed. Introdução: o objetivo desse estudo foi obter os valores médios de normalidade das alturas faciais anterior e posterior de 30 jovens mestiços nipo-brasileiros, descendentes de xantodermas e leucodermas, com oclusão normal, com idade média de 14 anos, e verificar a presença ou ausência de dimorfismo entre os sexos. Conclusões: um padrão cefalométrico específico, das alturas faciais anterior e posterior, para os jovens mestiços nipo-brasileiros com oclusão normal, descendentes de xantodermas e leucodermas, foi apresentado e um dimorfismo entre os sexos para cinco das treze variáveis avaliadas foi verificado nessa faixa etária média. Financial support: CAPES - Coordination for the Improvement of Higher Education Personnel / Ministry of Education (MEC)
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