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牙颌畸形是口腔颌面部的常见病,影响牙颌系统的功能健全及机体的健康,因此,防治牙颌畸形非常重要。1989年8～10月笔者对金堂县所属中学2695名11～19岁中学生(均属城镇居民)的咬合情况进行调查,现报告如下。方法本组受检者共2695名,其中男1436名,女1259名,年龄11～19岁,分为3个年龄组。在室内借助五官科额镜反射光,由2名口腔医生对所有受检者作口内直视
Orthodontics is a common disease of oral and maxillofacial region, affecting the function of the dental system and the health of the body, therefore, prevention and treatment of dentition deformity is very important. From August to October 1989, the author conducted a survey on the occlusion of 2695 middle school students aged 11 to 19 (both urban residents) in Jintang County middle schools. The report is as follows. Methods A total of 2695 subjects in this group, of which 1436 were male and female 1259, aged 11 to 19 years old, divided into three age groups. In the room with facial features mirror reflected light, by two stomatologists for all subjects for oral examination