含过氧化脲漂白剂对牙釉质形态和表面下硬度的影响。
Effects of carbamide peroxide containing bleaching agents on the morphology and subsurface hardness of enamel.
作者信息
Akal N, Over H, Olmez A, Bodur H
机构信息
Department of Pediatric Dentistry, University of Gazi, Ankara, Turkey.
出版信息
J Clin Pediatr Dent. 2001 Summer;25(4):293-6.
The purpose of this study is to evaluate the effects of nightguard bleaching agents (Karisma and Yotuel) on the enamel surface of forty anterior teeth. Ten teeth of each group were evaluated with SEM and ten teeth of each group were tested with a microhardness tester Morphologic alterations were observed on the enamel surfaces with SEM. Karisma group showed a significant decrease in enamel hardness (p<0.05) and microhardness values of enamel were increased significantly in Yotuel group (p<0.05).
本研究的目的是评估夜用护齿漂白剂（Karisma和Yotuel）对40颗前牙牙釉质表面的影响。每组10颗牙齿用扫描电子显微镜（SEM）进行评估，每组另外10颗牙齿用显微硬度测试仪进行测试。通过扫描电子显微镜观察牙釉质表面的形态学变化。Karisma组牙釉质硬度显著降低（p<0.05），而Yotuel组牙釉质的显微硬度值显著升高（p<0.05）。
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