运用专业冷光美白技术治疗四环素牙、氟斑牙、染色牙。

Use professional cold light to whiten and treat acheomycin teeth, dental fluorosis, teeth staining.

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本文介绍了光固化复合树脂修复三类四环素染色牙的治疗方法和操作步骤，并对失败病例作了总结。

The beneficial rate was over 90% This paper presents the therapeutic method and its procedures for three (?) of tetracycline stained teeth. and this paper also discusses the cause of failure cases.

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