为了解武康镇牙颌畸形及牙周疾病的患病情况 ,以及研究青少年错与牙周疾病的关系 ,1999年 9～ 10月对武康镇 2所中学 1986名学生进行了错与牙周疾病调查 ,现将结果报告如下。对象与方法1　对象　武康镇初级中学 1986名学生 ,年龄均为 12～ 16周岁 ,其中男 10 2 4名 ,女 96 In order to understand the prevalence of dental deformities and periodontal disease in Wukang and to investigate the relationship between adolescent malocclusion and periodontal disease, from 1986 to October 1999, 1986 students from 2 middle schools in Wukang Town were investigated for malformations and periodontal diseases Disease investigation, the results are reported below. Subjects and methods 1 object Wukang junior high school 1986 students, aged 12 to 16 years of age, of which 1024 male and 96 female