Nasolabial Angle Study in Different Facial Types Class II Division 1 Subjects

Maurício Tatsuei SAKIMA, Ary dos Santos PINTO, Dirceu Barnabé RAVELI, Lídia Parsekian MARTINS, Adilson Luiz RAMOS

The purpose of this study was to evaluate the relationship among nasolabial angle and some skeletal cephalometric measurements involving maxillary anteriorposterior position in different facial types. 90 lateral head films from Class II, 1st division subjects were studied. Three groups were composed, depending on the facial types. The nasiolabial angle did not demonstrates relationship with none skeletal cephalometric measurements. The CoA was statistically different among the three groups. SNA, FH (SN-7)-A and CoA means were statistically different when dolichofacial and braquifacial groups were compared.

Keywords: Cephalometrics. Nasolabial angle. Facial pattern. Class II division 1.

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