脉冲Nd：YAG 激光用于磨损牙复合树脂粘接修复的临床观察

doi:10.3969/j.issn.1673-5749.2010.04.009

摘要/Abstract

摘要：

目的评价脉冲Nd：YAG 激光联合自酸蚀粘接系统修复后牙面磨损的临床疗效。方法对15 例患者的38 颗后牙面磨损进行修复，要求每例患者至少有2 颗磨牙或前磨牙有相似病损，试验组使用脉冲Nd： YAG 激光联合Adper Prompt L-Pop 自酸蚀粘接剂，对照组直接使用Adper Prompt L-Pop 自酸蚀粘接剂，修复树脂为Z350 光固化复合树脂，以改良美国公共卫生署标准评价修复后1、6、12 个月的疗效。结果12 个月时试验组成功率为94.44%，对照组成功率为61.11%，2 组的差异有统计学意义（P＜0.05）。1 个月时试验组的牙髓牙本质反应好于对照组，差异有统计学意义（P＜0.05）；12 个月时试验组的固位、边缘密合性好于对照组，差异有统计学意义（P＜0.05）。结论脉冲Nd：YAG 激光处理后牙面磨损区可以提高光固化复合树脂与牙面的自酸蚀粘接力，降低术后敏感。

关键词: 脉冲Nd：YAG 激光, 磨损, 复合树脂

Abstract:

Objective To evaluate the clinical effects of pulse Nd:YAG laser combined with self-etching adhesive on restoration of molars with dental abrasion on occlusal surface. Methods 38 molars with dental abrasion on occlusal surface were restored from 15 patients. Each of the patients has at least two molars or premolars eligible. The experimental group were treated with pulse Nd:YAG laser combined with Adper Prompt L-Pop selfetching adhesive, while the control group were treated with Adper Prompt L-Pop directly. The cavity was restored with light-cured composite resin Z350. The modified United States Public Health Service criteria were used to evaluate the treatment effects at recall periods for one month, six months and twelve months. Results After 12 months, The successful rate of the experimental group（94.44%） was significantly higher than that of the control group（61.11%, P＜0.05）. The stimulation to the pulp of the experimental group was significantly higher than that of the control group statistically after one month（P ＜0.05）. Statistically significant differences were observed between two groups for the retention and marginal adaptation of the restoration after 12 months（P＜0.05）. Conclusion Using of pulse Nd:YAG laser on molars with dental abrasion can improve the self-etch bonding strength of composite resin to tooth and decrease the post-operative sensitivity.

Key words: pulse Nd:YAG laser, abrasion, composite resin

李子木，仇丽鸿，孙海燕. 脉冲Nd：YAG 激光用于磨损牙复合树脂粘接修复的临床观察[J]. 国际口腔医学杂志, 2010, 37(4): 406-408.

LI Zi-mu, QIU Li-hong, SUN Hai-yan.. Clinical observation of pulse Nd:YAG laser on composite resin restoration of molars with dental abrasion[J]. Inter J Stomatol, 2010, 37(4): 406-408.

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