一、对象与方法1609名学生,男708人,女901人,年龄12～18岁,均为恒牙。以个别正常为标准,记录安氏错分类及临床症状并记录错患者对治疗的认识及要求度。二、调查结果:见表1、表2。表1　错类型与治疗意识情况错类型错人数有治疗意识人数百分率安氏类72117023.58%安 First, the object and method 1609 students, 708 men and 901 women, aged 12 to 18 years old, are permanent teeth. To individual normal  as the standard, record the classification and clinical symptoms of malocclusion and record the patient's treatment of misdiagnosis and requirements. Second, the survey results: See Table 1, Table 2. Table 1 the wrong type of treatment and treatment of the wrong situation the wrong type of wrong number of people who have a sense of the number of treatment awareness Acute class 72117023.58% security