IR@PKUHSC  > 北京大学口腔医学院
学科主题口腔医学
Effects of KTP laser irradiation, diode laser, and LED on tooth bleaching: A comparative study
Zhang, Chengfei; Wang, Xiaogu; Kinoshita, Jun-Ichiro; Zhao, Baohong; Toko, Teruo; Kimura, Yuichi; Matsumoto, Koukichi
刊名PHOTOMEDICINE AND LASER SURGERY
2007-04-01
DOI10.1089/pho.2006.2025
25期:2页:91-95
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Surgery
研究领域[WOS]Surgery
关键词[WOS]IN-VITRO ; COLOR ; TEETH ; HEAT ; BONE
英文摘要

Objective: This in vitro study examines the whitening efficacy of a light-emitting diode ( LED), a diode laser, and a KTP laser irradiation in dental bleaching by analyzing the change in color achieved from the treatment, the temperature increase induced in the pulpal cavity, as well as enamel microhardness measurement after treatment. Background Data: Bleaching techniques achieved significant advances with the use of coherent or incoherent radiation sources to activate the bleaching agents. Methods: A hydrogen peroxide bleaching agent, Hi-Lite, was stimulated with an LED, a 980-nm diode laser at 0.8 W, or a 532-nm KTP laser at 1.0 W for 30 sec on 64 extracted human incisors. During irradiation, the temperature in the pulpal cavity was monitored. The color change was evaluated using the CIE L* a* b* color space measurement system, and Vikers enamel microhardness was tested after treatment. Results: A mean total color difference value (Delta E*) greater than 5.0 was obtained in each group. KTP-laser-induced bleaching gave a significantly higher Delta L* (8.35) after treatment ( p < 0.01). Neither LED nor the two lasers produced significant differences in the enamel microhardness after treatment ( p > 0.01). Mean maximal pulpal temperature rise was 2.95 degrees C for LED, 3.76 degrees C for KTP laser, and 7.72 degrees C for diode laser, respectively. Conclusion: The results of this study suggest that KTP laser is effective at providing brighter teeth. According to the conditions used in this study, the LED and KTP laser induced a safer pulpal temperature increase when assisted with Hi-Lite bleaching gel.

语种英语
WOS记录号WOS:000247717500005
引用统计
被引频次:46[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/59725
专题北京大学口腔医学院
作者单位1.Showa Univ, Sch Dent, Dept Clin Cariol & Endodontol, Ohta Ku, Tokyo 1458515, Japan
2.Peking Univ, Sch Stomatol, Dept Special Dent Serv, Beijing 100871, Peoples R China
3.Peking Univ, Hosp Stomatol, Dept Special Dent Serv, Beijing 100871, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Chengfei,Wang, Xiaogu,Kinoshita, Jun-Ichiro,et al. Effects of KTP laser irradiation, diode laser, and LED on tooth bleaching: A comparative study[J]. PHOTOMEDICINE AND LASER SURGERY,2007,25(2):91-95.
APA Zhang, Chengfei.,Wang, Xiaogu.,Kinoshita, Jun-Ichiro.,Zhao, Baohong.,Toko, Teruo.,...&Matsumoto, Koukichi.(2007).Effects of KTP laser irradiation, diode laser, and LED on tooth bleaching: A comparative study.PHOTOMEDICINE AND LASER SURGERY,25(2),91-95.
MLA Zhang, Chengfei,et al."Effects of KTP laser irradiation, diode laser, and LED on tooth bleaching: A comparative study".PHOTOMEDICINE AND LASER SURGERY 25.2(2007):91-95.
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