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首页> 外文期刊>Odontology >Evaluation of the preventive efficacy of three dentin tubule occlusion methods against discoloration caused by triple-antibiotic paste
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Evaluation of the preventive efficacy of three dentin tubule occlusion methods against discoloration caused by triple-antibiotic paste

机译：三种牙本质小管闭塞方法对三重抗生素浆料引起的变色的预防效果评价

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摘要

The aim of this in vitro study was to evaluate the preventive efficacy of three dentin tubule occlusion methods against discoloration caused by triple-antibiotic paste (TAP). Sixty extracted human incisors were sectioned, and the access was opened. The specimens were randomly allocated to the following four groups (n=15): bonding application (BD), teethmate desensitizer (TM), Nd:YAG laser application (LS), and no surface treatment (control, C). Specimens were discolored with TAP over a period of 3weeks. The color was measured by spectrophotometry at two time-points: initially and after 3weeks of TAP placement. Color differences (E) were calculated and analyzed. Discoloration was visually noticed in all teeth after 3weeks. The differences between the control group and the three dentin tubule occlusion methods were statistically significant (p 0.05).
机译：这种体外研究的目的是评估三种牙本质小管闭塞方法对三重抗生素浆料引起的变色的预防效果（Tap）。 六十次提取的人体门牙被剖面，并打开了进入。 将试样随机分配给以下四组（n = 15）：键合施用（BD），牙丁液脱敏剂（TM），Nd：YAG激光施用（LS），没有表面处理（对照，C）。 标本在3周的一段时间内褪色。 通过分光光度法在两个时间点测量颜色：最初和3周后的抽头放置。 计算和分析颜色差异（e）。 3周后，所有牙齿都在目视注意到。 对照组和三种牙本质小管闭塞方法之间的差异有统计学意义（p 0.05）。

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