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观察与治疗颌间距离缩短的病例186例,男88例,女98例,年龄40～65岁。其中正位颌关系106例,对刃(牙合)20例,上颌前突41例。深覆(牙合)19例,均有牙列缺损。119例牙齿(牙合)面有病理性磨耗,18例有夜磨牙症。进行面部和口腔检查,测量面部上、中、下三分之一高度,研究石膏模型,牙颌X线摄影,检查咀嚼肌肌电图和牙周组织血流图。 结果表明,186例中122例(65.6％)有龈炎,病理性牙周袋和骨袋,牙周萎缩,负荷过重或移位牙有病理
Observation and treatment of shortening the distance between the jaw in 186 cases, 88 males and 98 females, aged 40 to 65 years. Among them, there were 106 cases of orthognathic relations, 20 cases of occlusal occlusion and 41 cases of maxillary protrusion. Deep overburns (occlusion) in 19 cases, both dentition defects. 119 cases of teeth (occlusal) face with pathological wear, 18 cases of bruxism. Perform facial and oral exams, measure the upper, middle and lower thirds of the face to study gypsum models, dental radiography, examining the EMG and periodontal blood flow maps. The results showed that in 186 cases, 122 cases (65.6%) had gingivitis, pathological periodontal pocket and bone bag, periodontal atrophy, overloaded or displaced tooth pathology