着色牙应用BeyondⅡ代冷光美白仪治疗临床疗效观察

Clinical evaluation of Beyond II cold light teeth whitening on tooth bleaching

目的:了解BeyondⅡ冷光美白方法在着色牙齿美白中的临床应用效果。方法:应用Beyond牙齿冷光美白仪治疗56例着色牙患者,治疗前后美白效果变化应用Vita比色板色阶变化进行量化。结果:患者经BeyondⅡ代冷光美白仪治疗后牙齿的美白效果显著,总有效率达87.5%,其中四环素牙组有效率要明显低于增龄性着色牙和氟斑牙组(增龄性着色牙:P<0.01;氟斑牙:P<0.05);牙齿冷光美白剂对于各种着色牙显效不尽相同,增龄性着色牙组显效结果和无效结果比较有显著意义(P<0.01);同时部分患者美白治疗过程有不同程度刺激痛感,治疗结束后1w内刺激痛感逐渐消失。结论:BeyondⅡ冷光牙齿美白技术是临床治疗变色牙治疗有效、操作简单、疗效稳定的方法之一。

Objective： To investigate the clinical application of BeyondⅡ cold light whitening kit on teeth bleaching.Methods： 56 patients were treated with Beyond Ⅱ cold light whitening kit. The changes were recorded by matching the color changes with the Vita shade guide before and after treatment. Results： There were significant changes after BeyondⅡ cold light whitening treatments, and the total effective rate reached up to 87.5%, in which tetracycline group was significantly lower than the age-related stained teeth and dental fluorosis group（Age-stained teeth： P〈0.01. dental fluorosis：P〈0.05）. Teeth whitening agent for a variety of stained teeth markedly varied among age-group, and the result of stained teeth and invalid results were more significant（P〈0.01）. Most patients complained of continuous pain at the start of bleaching, but the symptoms reduced in a week after the treatment. Conclusion： Beyond II cold light whitening is a simple, safe and effective method on treatment of tooth discoloration.