四环素牙、氟斑牙是在恒牙发育过程中引起的内源性牙齿着色,常合并釉质发育不全。我科于1992年来采用先漂白脱色后光固化树脂覆盖的综合方法进行前牙美容治疗300例,较短时间内取得了明显效果。1临床资料 1992年～1996年我们共做300例,对其中重度变色牙45例,进行了随访观察4年,疗效满意。其中男20例,女25例,年龄18 Tetracycline teeth, dental fluorosis is caused during the development of permanent teeth endogenous tooth coloring, often associated with enamel hypoplasia. Our department in 1992 to adopt the first bleaching decolorization of light-cured resin covering an integrated method of anterior teeth cosmetic treatment of 300 cases, achieved a significant effect within a short period of time. 1 clinical data from 1992 to 1996, we made a total of 300 cases, of which 45 cases of severe discoloration, were followed up for 4 years, with satisfactory results. Among them, 20 males and 25 females, age 18