透明托盘结合生物活性玻璃对诊室漂白治疗所致牙齿敏感的疗效评价

Abstract

Abstract: Objective To compare the effects of different treatment methods before in-office bleaching to investigate the occurrence rate and level of teeth bleaching sensitivity with bioactive glasses (BGs) application. Methods 45 subjects were randomized into 3 groups. In group A, all subjects were applied with BGs desensitizer. In group B, all subjects were applied with transparent tray and BGs desensitizer. Group C was the control group, without any desensitizer application. In every subject, the conditions of 6 front teeth were observed. Desensitizer applications were used in group A and B, while no desensitizer treatment in group C. Sensitivity scores [recorded on a 10-point visual-analog scale (VAS)] were determined right after, 24 h, 48 h after the bleaching treatment in group A, B and C. The data of occurrence rate and level of teeth bleaching sensitivity with BSG application were analyzed and compared statistically. Results Bleaching sensitivity occurred in 33.33% of the subjects in Group A (Right after) and 13.33% of the subjects in Group B (VAS mean scores: 0.33±0.49, 0.13±0.35). Bleaching sensitivity occurred in 86.67% of the subjects in Group C (Right after) (VAS score: 1.53±0.82). There were significant statistical differences between VAS mean values of A, B and C right after group (P<0.05).24 hours after treatment, bleaching sensitivity occurred in 0% of the subjects in Group A and B, and 40% of the subjects in Group C (VAS score: 0.47±0.63). There were significant statistical differences between VAS mean values of A, B and C 24 h group (P<0.05). 48 hours after treatment, bleaching sensitivity occurred in 0% of the subjects in Group A and B, and 6.67% of the subjects in Group C (VAS score: 0.07±0.25). Bleaching sensitivity occurred in 86.67% of the subjects in Group C (Right after) (VAS score: 1.53±0.82). There were no significant statistical differences between VAS mean values of A, B and C 48 h group (P>0.05). Conclusion The application of BGs and transparent tray desensitizer may significantly reduce the occurrence rate of bleaching sensitivity and alleviate the symptoms.

Key words: In-office bleaching, BGs desensitizer, transparent tray

CLC Number:

R783.1

References 26

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The effects evaluation of BGs and Transparent tray desensitizer application prior to in-office bleaching

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