目的 比较和观察极固宁(Green OrTM)和Er:YAG激光法对

支托窝脱敏的疗效。方法 选取2013-01至2013-12初次选用可摘局部义齿修复牙列缺损的90例患者90颗磨牙,男43例,女47例, 46~60岁,随机分为极固宁组30颗,Er:YAG激光组30颗,对照组30颗。采用视觉模拟评分法(visual analog scale, VAS)对3组患者均在合支托预备后即刻脱敏治疗之后和脱敏治疗4个月后进行牙本质敏感性临床评估,测定VAS值。结果 即刻脱敏结束后,极固宁组(83.3%)和Er:YAG激光组(86.7%)的有效率均高于对照组(23.3%,
P<0.05),极固宁组和Er:YAG激光组的有效率差异无统计学意义。脱敏治疗4个月后复查,Er:YAG激光组的有效率(79.3%)高于极固宁组(31.0%)和对照组(21.4%,
P<0.05),极固宁组和对照组的有效率差异无统计学意义。结论 在牙本质过敏症的短期治疗中极固宁效果较显著,长期疗效中Er:YAG激光作用更加明显。
Abstract
Objective To compare the clinical efficacy of GreenTM Or and Er: YAG laser treating dentine hypersensitivity after occlusal rest preparation. Methods A total of 90 subjects were recruited into the study and distributed into 3 balanced groups. The sensitivity scores were recorded in visual analogue scale (VAS) by the subjects. The teeth in each group were treated with one of 2 kinds of desensitizing treatments. The desensitizing efficacy was evaluated before and immediately after treatment, and 4 months after treatment. Results Immediately after the treatment, the efficacy of GreenTM Or and Er: YAG laser groups were better than the control group(P<0.05), and no significant difference was identified between the two groups. Four months after treatment, the efficacy of Er:YAG laser group was better than the GreenTM group(P<0.05), and no significant difference was identified between the control group and GreenTM group. Conclusions GreenTM shows a good efficacy in short term treatment of tooth hypersensitivity, while the Er:YAG laser shows a long efficacy in treatment of hypersensitivity.
关键词
牙本质敏感 /
支托窝 /
极固宁 /
Er:YAG激光
Key words
hypersensitivity;occlusal rest /
GreenTM /
Er:YAG laser
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