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为了解城市中老年干部楔状缺损的发病情况,笔者于1987年9月在贵阳市干部体检时进行了楔状缺损的调查,现将结果报告于下。一、调查对象和方法1.调查对象:生活在市区20年以上的政府机关干部、大学干部及教授,共1228人。其中男性1115人,女性113人。年龄45岁～89岁。2.调查方法:用口镜、镊子和探针在自然光线下进行视诊和探诊,凡在牙齿的唇、颊面颈部有表面光
In order to understand the incidence of wedge-shaped defects in middle-aged and elderly cadres in urban areas, the author conducted a survey of wedge-shaped defects during the medical examination of cadres in Guiyang in September 1987, and the results are reported below. First, the survey and methods 1. Survey: living in urban areas for more than 20 years of government officials, university cadres and professors, a total of 1228 people. Among them, there are 1115 males and 113 females. Age 45 years old to 89 years old. 2. Methods of investigation: with the mirror, tweezers and probes in the natural light of the diagnosis and exploration, where the teeth of the lips, buccal neck and surface light