牙齿形态异常

结果牙齿数目和形态异常的总患病率为16.07%。

Results The overall prevalence of dental number and morphology anomalies was 16.07 % .

结果：在全部调查对象5150人中存在牙齿形态和数目异常者共569人，患病率为11.05%。其中先天缺牙患病率最高5.98%，其次为锥形牙3.55%。

Results : 569 persons have dental number and morphology anomalies within all 5150 , the prevalence is 11.05 % , oligodontia is the highest , 5.98 % , and the second is conic shaped teeth , 3.55 % .

牙齿发育与形态之异常也被视为局部之贡献因子。

Several conditions including development and morphological abnormalities exist around teeth that may also regard them as local contributory factors .

该疾病的典型临床表现为少汗或无汗，毛发稀疏或全无，牙齿缺如或牙齿形态异常等三联症状。

Its characteristic clinical manifestations ( triple-symptom complex ) include hypohidrosis or anhidrosis , sparse hair or hairlessness and dental absence or paramorphia .