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Nd:YAG激光牙齿漂白与冷光牙齿漂白治疗变色牙齿的临床对比观察 被引量:6

Comparison of the Clinical Effects of Two Well-used Tooth Bleaching Systems: Nd: YAG Laser Bleaching System and Beyond Whitening System
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摘要 目的对比Nd:YAG激光与Beyond冷光对变色牙齿的漂白疗效及牙髓刺激发生情况。方法将牙齿变色患者80例随机分为激光治疗组和冷光治疗组,计算漂白后各组色阶提高值、治疗中及治疗后的牙髓过敏或疼痛不适等的发生率,并进行统计学分析。结果两组在漂白效果上均能达到100%有效,两组间没有统计学差异,但在治疗后及治疗24h后患者的牙髓刺激症状发生率方面,激光治疗组为32.5%和7.5%,冷光漂白组为47.5%和17.5%,两组间均有统计学差异(P均<0.05)。结论激光漂白与冷光漂白都能达到明显的临床效果,但由于激光漂白对牙髓刺激发生率低,未来更值得推广。 Objective To evaluate the aesthetic effects and dental pulp irritation of two clinical tooth bleaching systems which are called Nd:YAG laser bleaching system and Beyond whitening system. Methods A total of 80 healthy volunteers with natural healthy teeth in shade A3 or darker defined by classical Vita shade guide were randomly divided into 2 groups. All teeth had neither restorations on their buccal surfaces nor dental pulp discomforts before treatment. The two groups were treated by Nd:YAG laser bleaching system and Beyond whitening system respectively. The shade values of teeth color were scored before ,exactly after and 12 months after bleaching. Any side effects of dental pulp irritation were also recorded. Results There were no significantly bleaching differences between these two bleaching systems. But Nd:YAG laser bleaching group resulted in less dental pulp irritation than Beyond group. Conclusion Nd: YAG laser bleaching system and Beyond whitening system were both effective in bleaching the color - stained teeth. Nd:YAG laser bleaching system may be more recommended because of its less stimulation to the dental pulp sensitivity.
出处 《医学研究杂志》 2014年第6期76-78,共3页 Journal of Medical Research
基金 北京友谊医院科研启动基金资助项目(2010-024)
关键词 激光漂白 冷光漂白 牙髓刺激 Nd: YAG laser bleaching system Beyond whitening system Dental pulp sensitivity
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参考文献6

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