目前青少年错畸形的防治工作受到广泛重视，但在农村，由于缺乏卫生知识、医疗水平较差，青少年的错畸形率较高。我们对齐市效区农村1362名中学生进行了调查、现将地结果报告如下。1调查对名象、方法和标准1．1调查对象为齐市效区农村15～18岁未接受过正畸治疗且具有完整恒牙列 At present, prevention and treatment of malocclusion of teenagers have received extensive attention. However, in rural areas, the malformation rate of teenagers is higher due to the lack of health knowledge and poor medical care. We conducted a survey of 1,362 middle school students in rural areas of the municipalities and districts and reported the results as follows. A survey of the name, methods and standards 1.1 The survey target Qi rural areas 15 to 18 years old did not receive orthodontic treatment and has a complete permanent dentition