Versões
- 2024-06-07 (4)
- 2024-06-07 (3)
- 2024-06-06 (2)
- 2024-05-30 (1)
Palavras-chave
orotodontia
análise
componente principal
Como Citar
Resumo
Objetivos: Descrever o padrão de variação da forma do arco dentário mandibular em uma amostra populacional da Região Metropolitana, através de um estudo observacional transversal. Métodos: 18 pontos anatómicos em 134 fotografias padronizadas de moldes de gesso foram digitalizados e foi realizado uma análise Procrustes. Resultados: O tamanho do centróide nos homens é significativamente maior do que nas mulheres. A análise discriminante com validação cruzada de gênero não mostrou diferenças significativas nos componentes da forma. O padrão de variação na forma das arcadas dentárias é explicado principalmente por PC1 (50,1% da variação total, variação anteroposterior) e PC2 (13,3%, variação transversal). Conclusões: Dada a continuidade morfológica que se observa ao realizar uma análise estatística do padrão de variação da forma e tamanho da arcada, aplicando ferramentas morfométricas geométricas, o uso de templates pré-formados para determinação da forma da arcada dentária deve ser reconsiderado.
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