Vertical cephalometric comparative study between children with bucal and nasal respiration in the different facial types

Murilo Sérgio P. BIZETTO, Hiroshi MARUO, Roberto Hideo SHIMIZU, Odilon GUARIZA FILHO

Many studies correlate mouth breathing and dentofacial alterations, as well as associate long face children with maxilar arch narrowing. The aim of this work was to evaluate and to compare any cephalometric differences between some vertical measurements in mouth and nasal breathing children. 95 lateral cephalometric radiographs of 6,1 to 8,2 year-old normal occlusion or Angle Class I malocclusion children were studied. The sample was divided in 3 facial groups and each group was subdivided in accordance with breathing mode. The results show that, in group 1 (or short face group), there were no statistically signiicant differences between the subgroups. In groups 2 and 3, Anterior Facial Height (AFH) measurement was the only one which showed statistically signiicant difference because of breathing mode; and, mainly, in group 3 (or long face group), this difference was greater. It is possible to conclude with this results that, in a sample of normal occlusion or Angle Class I malocclusion children, the mouth breathing and long face owe an increased AFH.

Keywords: Cephalometric. Oral breathing. Facial type.

Sunday, April 28, 2024 12:59