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目的:观察两种冷光牙齿美白制剂联合应用的临床疗效。方法:将增龄性黄牙患者60例随机分为观察组和对照组各30例,观察组采用BEYOND诊室冷光美白技术;对照组采用e-bright家庭冷光美白技术,比较两组脱色效果。对于两组结果为非显效者,联合应用两种制剂再次脱色,比较脱色效果。结果:观察组显效率93%,对照组显效率20%,两组脱色效果比较,差异显著(P<0.05)。两种制剂联合应用,显效率100%,美白脱色效果显著优于应用单一制剂(P<0.05)。结论:两种冷光牙齿美白制剂联合应用疗效更佳,且安全可靠。
Objective: To observe the clinical efficacy of the combined application of two whitening tooth whitening preparations. Methods: A total of 60 aged patients with yellow teeth were randomly divided into observation group (30 cases) and control group (30 cases). The observation group was treated with BEYOND cold light whitening technique. The control group was treated with e-bright cold whitening technique. For the two groups of non-effective results were combined with two preparations again decolorization, the decolorization effect. Results: The markedly effective rate was 93% in the observation group and 20% in the control group. There was significant difference between the two groups (P <0.05). The combination of two preparations, markedly effective rate of 100%, whitening effect was significantly better than the single preparation (P <0.05). Conclusion: The combination of two kinds of dental whitening preparations is more effective and safe.