牙科
过氧化氢
牙齿敏感度
置信区间
过氧化脲
医学
牙齿美白
光强度
强度(物理)
方差分析
口腔正畸科
化学
内科学
光学
搪瓷漆
有机化学
物理
作者
Kaprice Chemin,Márcia Rezende,Fábio Machado Milan,Thereza B Dantas,Kátia do N Gomes,Stella Kossatz
出处
期刊:The journal of contemporary dental practice
[Jaypee Brothers Medical Publishing]
日期:2018-01-01
卷期号:19 (11): 1376-1380
被引量:16
标识
DOI:10.5005/jp-journals-10024-2435
摘要
Aim:The purpose of this study was to evaluate the dental effect and sensitivity of at-home dental bleaching with 10% hydrogen peroxide (H 2 O 2 ). Materials and methods:Twenty volunteers with A2 or darker central incisors were selected for this study.Was used 10% H 2 O 2 for thirty minutes twice a day, for two weeks.Shade evaluation was assessed visually by the value-oriented shade guide Vita Classical shade guide, Vita Bleachedguide 3D-MASTER and by the Easyshade spectrophotometer at baseline, during bleaching (first and second weeks), and post-bleaching (one month).The perceptions of sensitivity were recorded by the patients through the numerical rating scale (0 to 4) and 0 to 10 visual analog scales daily.Data from the shade guide units was subjected to a one way repeated measures (RM) analysis of variance (ANOVA) test (α = 5%).The overall ΔE, absolute risk and intensity of tooth sensitivity were calculated as well as the 95% confidence interval. Results:The absolute risk of tooth sensitivity was 65% and the intensity was mild.Data from ΔSGU and ΔE after 1 month of bleaching for H 2 O 2 10% showed significant whitening, 4 units for Vita Classical, 5 units for Vita Bleachedguide and 9.7 units for spectrophotometer. Conclusion:At-home bleaching using 10% hydrogen peroxide is effective in 14 days of bleaching.The most common adverse events were mild tooth sensitivity, and no subjects discontinued use early because of a treatment-related adverse event.Clinical significance: At-home dental bleaching with 10% hydrogen peroxide gel reduces the time of use of the tray, maintaining the effectiveness with low intensity of dental sensitivity.Brazilian clinical trials registry (REBEC) RBR-45xmzj.
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