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首页> 外文期刊>Journal of clinical periodontology >Treatment of dentin hypersensitivity by Nd:YAG laser.
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Treatment of dentin hypersensitivity by Nd:YAG laser.

机译：Nd：YAG激光治疗牙本质过敏症。

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BACKGROUND, AIMS: Promising results using Nd:YAG laser against dentin hypersensitivity have been reported. The aim of this double-blind, controlled, split-mouth designed clinical trial was to assess the effect of a single Nd:YAG laser application on alleviating hypersensitivity. METHODS/RESULTS: Seventeen subjects participated in the study. Each of them had two teeth treated; one with the laser activated and one with nonactivated (placebo), for 2 min The assessment of pain was performed by a VAS, after an air blast at baseline immediately after treatment, at 1 week, 4 weeks and 16 weeks. Mean values of VAS for test and control teeth were compared by paired t-test (alpha = 0.05). The results showed mean baseline VAS values of 6.59 (+/- 1.65) and 6.14(+/- 1.95) for test and control teeth, respectively. Immediately after treatment, these values decreased to 4.09(+/- 2.28) and 3.89(+/- 2.11), respectively. After 1 week, 4 weeks and 16 weeks the mean values for test and control teeth were 3.85 +/- 2.36, 4.03 +/- 1.95, 3.60 +/- 2.66, and 4.44 +/- 2.56, 3.41 +/- 2.30, 3.42 +/- 2.30, respectively. There were no statistically significant differences between test and control at any time. However, both groups improved significantly (P < 0.05) from baseline to immediately after application, and at 1 week, 4 weeks and 16 weeks, respectively. The changes that occurred between immediately after application and 1 week, 4 weeks and 16 weeks, respectively, were not statistically significant. CONCLUSION: It is concluded that the effect of treatment of hypersensitive teeth with Nd:YAG laser is not different from placebo. The observed effects seem to last for at least 16 weeks.
机译：背景，目的：已经报道了使用Nd：YAG激光治疗牙本质过敏的有希望的结果。这项双盲，受控，裂口设计的临床试验的目的是评估单次Nd：YAG激光治疗对缓解超敏反应的效果。方法/结果：十七名受试者参加了这项研究。他们每个人都有两只牙齿经过治疗;一个用激光激活，另一个用非激活（安慰剂）治疗2分钟。在治疗后即刻，治疗后1周，4周和16周，在基线进行空气冲击后，通过VAS进行疼痛评估。通过配对t检验比较了测试牙齿和对照牙齿的VAS平均值（α= 0.05）。结果显示，测试和对照牙齿的平均基准VAS值分别为6.59（+/- 1.65）和6.14（+/- 1.95）。治疗后立即将这些值分别降至4.09（+/- 2.28）和3.89（+/- 2.11）。 1周，4周和16周后，测试和对照牙齿的平均值分别为3.85 +/- 2.36、4.03 +/- 1.95、3.60 +/- 2.66和4.44 +/- 2.56、3.41 +/- 2.30、3.42 +/- 2.30。在任何时候，测试和对照之间都没有统计学上的显着差异。但是，两组从基线到施用后立即以及分别在1周，4周和16周时均显着改善（P <0.05）。施用后立即至分别于1周，4周和16周之间发生的变化无统计学意义。结论：结论：Nd：YAG激光治疗过敏性牙齿的效果与安慰剂无差异。观察到的效果似乎持续至少16周。

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