Tooth sensitivity and efficacy of in-office bleaching in restored teeth
Tooth sensitivity and efficacy of in-office bleaching in restored teeth
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DOI：
10.1016/j.jdent.2013.01.007
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发表时间：
2013-04-01
影响因子：
4.4
通讯作者：
Kossatz, Stella
中科院分区：
文献类型：
--
作者：
Bonafe, Elize;Bacovis, Camila Lais;Kossatz, Stella
目的：评价35%过氧化氢办公室漂白美容修复体的疗效(BE)和牙齿敏感度(TS)。方法：用35%过氧化氢漂白上前牙(S)和美容修复体(R)各15例，分两次使用，每次15分钟。分别于治疗前、治疗结束后1周和6个月记录颜色。患者按0~4分记录TS。BE采用双因素方差分析和Tukey‘s检验(α=0.05)。用Fisher‘s精确度检验评估TS患者的百分比，用Mann-Whitney U检验比较治疗后TS的强度(α=0.05)。结果：所有受试者在治疗过程中至少发生一次TS。在漂白过程中，R组的TS强度(1.5[1/1.75])高于S组(0.5[0/1.25])(p<；0.05)。在6个月的评估中，S和R的牙齿颜色改善程度与基线相似(p<；0.05)，并且都表现出了颜色的稳定性(p>；0.05)。结论：35%惠普的室内漂白对于美容修复的患者是有效的，但在漂白过程中观察到更高的TS强度。临床相关性：粘结剂修复的患者可以进行办公室漂白，效果令人满意；但与健康牙齿的患者相比，办公室漂白可以促进更高的敏感性。(C)2013爱思唯尔有限公司。保留所有权利。
Objectives: The aim of this clinical trial was to evaluate efficacy (BE) and tooth sensitivity (TS) of in-office bleaching with a 35% hydrogen peroxide (HP) in patients with aesthetic restorations.Methods: Hydrogen peroxide 35% was applied in two sessions, of three 15 min applications, in 15 patients with upper anterior sound teeth (S) and 15 with aesthetic restorations (R). The colour was recorded at baseline, one week and 6 months after treatment completion. Patients recorded TS on a 0-4 scale. The BE was evaluated by two-way ANOVA and Tukey's tests (alpha = 0.05). The percentage of patients with TS was evaluated by Fisher's exact test and TS intensity of treatments was compared with Mann-Whitney U-test (alpha = 0.05).Results: All participants experienced TS at least once during treatment. Higher TS intensity was observed in R (1.5[1/1.75]) compared to S (0.5[0/1.25]) during the bleaching (p < 0.05). S and R demonstrated similar tooth colour enhancement compared to baseline (p < 0.05) and both presented colour stability after 6 months of evaluation (p > 0.05).Conclusions: The in-office bleaching with 35% HP was effective in patients with aesthetic restorations, however, a higher intensity of TS was observed during the bleaching protocol.Clinical relevance: In-office dental bleaching can be performed in patients with adhesive restorations promoting satisfactory results; however, it can promote higher intensity of sensitivity compared to patients with sound teeth. (C) 2013 Elsevier Ltd. All rights reserved.