我校保健门诊部口腔科医师在日常工作中发现就诊的大学生中四环素着色牙的发病率较高,不但影响美观并对其身心健康也会有不良影响。为了进一步了解其发病特点及发病率,特对1968～1972年出生的在校大学生3160名进行了调查分析,并对四环素着色牙的治疗作一介绍。 调查对象 1968～1972年出生的在校大学生3160名。男性1615人,女性1545人。年龄18～23 The prevalence of tetracycline stained teeth among college students found in their daily work is far higher among dentists in our health clinic, which not only affects the appearance but also adversely affects their physical and mental health. In order to further understand the characteristics and incidence of its incidence, special survey of 3160 college students born in 1968 ~ 1972 were analyzed, and the treatment of tetracycline stained teeth to make an introduction. Survey respondents 1968 ~ 1972 born 3160 college students. 1615 males and 1545 females. Age 18 ~ 23