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我们从1990年5月至1991年6月对西双版纳景洪城区4所中学生及5个工厂青少年进行错(牙合)情况调查研究,现将调查结果分析报告如下: 对象和方法 一、对景洪县城区4所中学生共检查了2410名学生,5个工厂及单位1100名青少年,其中男性1966人、女性1544人,年龄为12～18岁,共分为7个年龄组。 二、本调查组均采用室内自然光线,口内直视检查法,受检人员采用自然直坐位,由调查者医师认真负责检查记录。 三、检查标准:采用Angle氏错(牙合)分类法的标准来确定本查调的主要诊断及分类。
We from May 1990 to June 1991 Jinghongcheng Xishuangbanna four middle school students and five factory adolescent malocclusion investigation and research, the survey results are reported as follows: the object and method of one, Jinghong Four middle school students in the county area examined 2,410 students, 1,100 teenagers from 5 factories and units, including 1966 males and 1544 females, aged 12 to 18 years old, and were divided into seven age groups. Second, the survey team are using indoor natural light, open mouth examination method, the subjects were using natural straight seat, by investigators physicians responsible for the inspection record. Third, the inspection standards: the use of Angle's (Occlusal) classification of the standard to determine the main diagnosis of the inspection and classification.