Nd:YGA激光治疗牙本质过敏症的疗效观察

目的:观察Nd:YGA激光治疗牙本质过敏症的治疗效果。方法:选取牙本质过敏症病人200例（380颗患牙），随机分为2组，每组100例。对照组（180颗患牙）采用Gluma脱敏剂冶疗，观察组（200颗患牙）采用Nd:YGA激光脱敏冶疗。比较2组病人治疗后即刻、1周、1个月、3个月、6个月、12个月的治疗效果。结果:2组病人脱敏治疗即刻、1周、1个月、3个月后疗效比较差异均无统计学意义（P>0.05），6个月和12个月比较差异有统计学意义（P<0.05）。结论:Nd:YGA激光治疗牙本质过敏症具有较好的中远期临床疗效。

Clinical efficacy of Nd:YAG laser in the treatment of dentine hypersensitivity

Objective: To observe the clinical efficacy of Nd:YAG laser in the treatment of dentine hypersensitivity.Methods: A total of 200 patients with dentine hypersensitivity(380 ill teeth) were randomly divided into the control group and observation group(100 cases each group).The observation group(200 ill teeth) were treated with Nd:YAG laser desensitization,and the control group(180 ill teeth) were treated with Gluma desensitizer.The clinical efficacy between two groups after 0 hour,1 week,1 month,3 months,6 month and 12 month of treatment were compared.Results: The differences of the effective rates between two groups after 0 hour,1 week,1 month and 3 months of treatment were not statistically significant(P>0.05),and the differences of the effective rates between two groups after 6 and 12 months of treatment were significant(P<0.05).Conclusions: The Nd:YAG laser in the treatment of dentine hypersensitivity has good middle and long-term clinical effects.