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Proceedings Paper

Shear bond strength of a self-etch adhesive to caries-affected dentin after caries removal by Er:YAG laser
Author(s): Zhenlin Zhan; Weiliang Wu; Haibin Zhao; Xianzeng Zhang; Shi Lin; Shusen Xie
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Paper Abstract

The purpose of this study was to evaluate the shear bond strength of a self-etch adhesive to caries-affected dentin after caries removal by erbium: yttrium, aluminum garnet (Er:YAG) laser and analyze the resin-dentin interface. The caries-infected dentin of human molars were removed by Er:YAG laser with energy density of 20 J/cm2 and pulse repetition rate of 20 Hz. The conventional bur was used as control group. After bonding procedures, specimens were subjected to shear bond strength test and the adhesive interface was examined by laser confocal scanning microscope (LCSM). The result showed that Er:YAG laser could effectively remove dentin caries. There was no statistical difference in shear bond strength between two groups and the adhesive interface created on laser-irradiated dentin surface presented similar feature to that on bur-ground surface.

Paper Details

Date Published: 30 January 2012
PDF: 6 pages
Proc. SPIE 8208, Lasers in Dentistry XVIII, 820808 (30 January 2012); doi: 10.1117/12.908153
Show Author Affiliations
Zhenlin Zhan, Fujian Normal Univ. (China)
Weiliang Wu, Fujian Medical Univ. (China)
Haibin Zhao, Fujian Normal Univ. (China)
Xianzeng Zhang, Fujian Normal Univ. (China)
Shi Lin, Fujian Medical Univ. (China)
Shusen Xie, Fujian Normal Univ. (China)


Published in SPIE Proceedings Vol. 8208:
Lasers in Dentistry XVIII
Peter Rechmann; Daniel Fried, Editor(s)

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