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目的探讨Beyond冷光美白治疗对着色牙的临床疗效。方法对138例牙齿异常着色病例,包括外源性着色牙、增龄性黄牙、先天性黄牙、轻中度氟斑牙和轻中度四环素牙,进行Beyond冷光增白治疗,用VITA比色板作美白前后比色,比较疗效。结果各组均达到有效或显效,不同类型牙着色组间差异有统计学意义。其中,外源性着色组显效率比增龄性黄牙、先天性黄牙及四环素牙组高,先天性黄牙组显效率比四环素牙组高。有22.5%(31/138)病例在治疗过程及治疗后产生疼痛。结论外源性着色组牙齿漂白疗效优于其他牙齿着色组。轻中度四环素牙和氟斑牙的病例可以通过Beyond冷光增白治疗取得良好疗效。
Objective To investigate the clinical efficacy of Beyond cold light whitening treatment on stained teeth. Methods 138 cases of abnormal tooth coloring cases, including extrinsic stained teeth, aged yellow teeth, congenital yellow teeth, mild to moderate dental fluorosis and mild to moderate tetracycline teeth, Beyond luminescence whitening treatment with VITA ratio Color plate for whitening before and after more effective. Results of each group were effective or markedly effective, different types of dental stained group differences were statistically significant. Among them, the efficiency of exogenous coloring group was significantly higher than that of aged yellow teeth, congenital yellow teeth and tetracycline teeth, and the efficiency of congenital yellow teeth was higher than that of tetracycline teeth. There were 22.5% (31/138) cases of pain in the course of treatment and after treatment. Conclusion The exogenous coloring group teeth bleaching effect is superior to other dental coloring group. Cases of mild to moderate tetracycline and dental fluorosis can achieve good results with Beyond luminescence whitening treatment.