Limme M
Centre Hospitalier Universitaire, Institut de Dentisterie, Liège, Belgique.
Acta Otorhinolaryngol Belg. 1993;47(2):145-55.
There is a large controversy about the causal relations between dento-facial deformities and mouth-breathing habits. Some postural and morphological changes during long-term adaptation to oral respiration are evoked: opening of the bite with a lowered postural position of the mandible, reduction of upper arch width, downward and backward rotation of the mandible, increased lower facial height and changes in the inclination of the lower and upper incisors. It seems that the altered postural position of the tongue and of the mandible, needed for oral ventilation, could, by soft-tissue stretching, change the growth pattern of the face.
关于牙颌面畸形与口呼吸习惯之间的因果关系存在很大争议。长期适应口腔呼吸会引发一些姿势和形态变化：咬合打开，下颌姿势位置降低，上颌牙弓宽度减小，下颌向下和向后旋转，面下高度增加，以及上下切牙倾斜度改变。似乎为了进行口腔通气而改变的舌和下颌姿势位置，可能通过软组织拉伸改变面部的生长模式。
