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学科主题: 口腔医学
题名:
The Efficacy, Safety, Stability, and Mechanism of Tooth Whitening by a Cold Atmospheric Pressure Air Plasma Microjet Assisted With or Without Hydrogen Peroxide
作者: Wang, Guomin1; Ye, Guopin2; Yang, Xiaohui2; Pan, Hong2; Sun, Ke2; Zhang, Jue3; Pan, Jie4; Fang, Jing3
关键词: Cold plasma ; optical emission spectroscopy (OES) ; safety ; stability ; tooth whitening
刊名: IEEE TRANSACTIONS ON PLASMA SCIENCE
发表日期: 2014-06-01
DOI: 10.1109/TPS.2014.2320992
卷: 42, 期:6, 页:1623-1628
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Physics, Fluids & Plasmas
研究领域[WOS]: Physics
关键词[WOS]: DIELECTRIC BARRIER DISCHARGE ; COAGULATION ; LIGHT
英文摘要:

The aim of this paper was to assess the effectiveness, safety, stability, and mechanism of tooth whitening using a direct current cold atmospheric pressure air plasma microjet (PMJ) with the assistance of whitening gels (blank or containing 3% H2O2). The results were compared with those obtained from teeth treated with blank gel only and with gel containing 35% H2O2 in a cold light bleaching system. Tooth whitening effectiveness right after various treatments as well as 18 months after treatment was evaluated via CIELAB colorimetry. Type K thermocouple, scanning electron microscope and energy dispersive spectroscopy were employed to study the temperature of pulp chamber, tooth surface morphology, and elemental composition of enamel surface, respectively. Teeth in the plasma groups were effectively whitened in 5 min, though no significant difference was observed between the two plasma groups. Pulp chamber temperature was shown to remain below 35 degrees C. Morphological and surface elemental analysis showed similar changes to tooth enamel in the plasma groups and in the cold light group. These observations suggested that PMJ with blank gel was more effective for tooth whitening with acceptable safety and good stability. Optical emission spectroscopy results revealed that reactive oxygen species, such as O, center dot OH, and NO, in plasma may play a dominant role in the process of plasma tooth whitening.

语种: 英语
所属项目编号: 81200821
项目资助者: Natural Science Foundation ; Bioelectrics Inc.
WOS记录号: WOS:000338118000012
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/51992
Appears in Collections:北京大学口腔医学院_综合治疗科_期刊论文

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作者单位: 1.Lanzhou Univ, Sch Stomatol, Lanzhou 730000, Peoples R China
2.Peking Univ, Acad Adv Interdisciplinary Studies, Beijing 100871, Peoples R China
3.Peking Univ, Coll Engn, Dept Biomed Engn, Acad Adv Interdisciplinary Studies, Beijing 100871, Peoples R China
4.Peking Univ, Sch Stomatol, Dept Gen Dent, Acad Adv Interdisciplinary Studies, Beijing 100871, Peoples R China

Recommended Citation:
Wang, Guomin,Ye, Guopin,Yang, Xiaohui,et al. The Efficacy, Safety, Stability, and Mechanism of Tooth Whitening by a Cold Atmospheric Pressure Air Plasma Microjet Assisted With or Without Hydrogen Peroxide[J]. IEEE TRANSACTIONS ON PLASMA SCIENCE,2014,42(6):1623-1628.
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