海南省直属机关６３０１名干部牙周组织疾病的调查与分析海南省人民医院口腔科（５７０００１）麦影华，郑长泰，李俨，孔庆仁调查方法１．受检对象：海口市区海南省直属机关６３０１名干部，其中男性４１４５名，女性２１５６名，年龄在２０岁～７５岁，文化程度绝大多数... Investigation and Analysis of Periodontal Tissue Diseases in 6301 Cadres Directly Under Hainan Province Hainan Provincial People’s Hospital Department of Stomatology (570001) Mai Yinghua, Zheng Changtai, Li Wei, Kong Qingren Survey Methods 1. Subjects to be inspected: 6,301 cadres directly under the jurisdiction of Hainan Province in Haikou City, including 4,145 men and 2,156 women, aged between 20 and 75;