Int J Stomatol

Int J Stomatol ›› 2021, Vol. 48 ›› Issue (6): 683-689.doi: 10.7518/gjkq.2021105

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Hybrid light source in vital dental bleaching

Zhang Xuewen1(),Li Cong2,Xu Xiaoyin1,Gao Jing3,Shen Jing3()   

  1. 1. Dept. of Stomatology, School of Stomatology, Tianjin Medical University, Tianjin 300070, China
    2. Dept. of Stomatology, School of Medicine, Nankai University, Tianjin 300071, China
    3. International Clinic Center, Stomatological Hospital of Tianjin, Tianjin 300041, China
  • Received:2021-02-12 Revised:2021-07-10 Online:2021-11-01 Published:2021-10-28
  • Contact: Jing Shen E-mail:2306744831@qq.com;shenjing611@163.com

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Abstract:

Laser shows great potential application in vital dental bleaching but includes many potential risks, such as temperature increase in pulp cavity, damage to pulp tissues, and tooth sensitivity. Therefore, many studies involving different light types, light powers, bleaching agent concentrations, and bleaching procedures have been conducted to develop a safe and predictable process for clinical bleaching. The application of light-emitting diode (LED)-low level laser hybrid light source has attracted attention due to its conservative bleaching parameters. In this paper, the efficacy and safety of this novel bleaching system are reviewed to explore its possible advantages in vital dental bleaching.

Key words: dental bleaching, hybrid light, low concentration hydrogen peroxide, safety, effectiveness

CLC Number: 

  • R312

TrendMD: 

Tab 1

Parameter details of bleaching schemes under hybrid light source"

参考文献 光源设备（波长及功率） 功率密度/
mW·cm-2		 光照面积/
cm2		 漂白凝胶 光敏剂 漂白程序 随访时间
[15] LED（470 nm、1 800 mW）+激光（808 nm、600 mW） 300 8.5 6%和15% H2O2 均含TiO_N 3次就诊,每次重复3个10 min 1周、6个月
[16] LED（470 nm、1 500 mW）+激光（808 nm、300 mW） - - 6% H2O2 TiO2 3次就诊,每次重复2个12 min 1周、1个月、1、2年
[17] LED（470 nm、350 mW·cm-2）+激光（810 nm、200 mW·cm-2） - - 25%和35% H2O2 无 3次就诊,每次重复3个7.5 min 1周、1个月、1、3年
[18] LED（470 nm、1 500 mW）+激光（808 nm、300 mW） - - 6% H2O2 TiO2 3次就诊,每次重复2个12 min 1周、1个月、
1年
[19] LED+激光（总功率1 500 mW） - - 6% H2O2 TiO2 3次就诊,每次重复2个12 min 1周、1、9个月
[20] LED（470 nm、1 800 mW）+激光（808 nm、600 mW） 300 8.5 6% H2O2 TiO2 3次就诊,每次重复2个12 min;1次就诊,每次重复2个36 min 1周、1个月
[21] LED（470 nm、1 800 mW）+激光（810 nm、600 mW） 300 8.5 6% H2O2 TiO_N 2次就诊,每次重复2个12 min 无长期随访
[22] LED+激光（总功率1 500 mW） - - 6% H2O2 N_TiO2 3次就诊,每次重复2个12 min 1周、1个月
[23] LED（450 nm、400 mW）+激光（808 nm、100 mW） - - 15%和35% H2O2 仅15% H2O2
含N_TiO2		 3次就诊,每次重复3个12 min 1周、1个月
[24] LED（470 nm、1 800 mW）+激光（808 nm、600 mW） 300 8.5 15% H2O2 TiO_N 3次就诊,每次重复3个16 min 无长期随访

Fig 1

Mechanism of bleaching under hybrid light source"

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