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Research Article

Comparison of Activated Bleaching Effects of Various Laser Systems: An In vitro Study

Ozgul Baygin1*, Fatih Mehmet Korkmaz2 and Ipek Arslan1

1Department of Pediatric Dentistry, Faculty of Dentistry, Karadeniz Technical University, Trabzon, Turkey

2Department of Prosthodontics, Faculty of Dentistry, Karadeniz Technical University, Trabzon, Turkey

*Corresponding Author:
Ozgul Baygin
Karadeniz Technical University, Faculty of Dentistry
Department of Pediatric Dentistry, Trabzon, Turkey
Tel: 00904623774780
Fax: 00904623253017
E-mail: [email protected]

Received date : July 23, 2012; Accepted date : August 11, 2012; Published date : August 13, 2012

Citation: Baygin O, Korkmaz FM, Arslan I (2012) Comparison of Activated Bleaching Effects of Various Laser Systems: An In vitro Study. Dentistry 2:139. doi:10.4172/2161-1122.1000139

Copyright: © 2012 Baygin O, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Aim: The aim of this in vitro study is to describe a preclinical investigation using laser-activated bleaching agent for discolored teeth.

Materials and methods: Sixty sound human central and lateral incisors were selected for this study and were randomly assigned into four groups as follows: Group 1 (n=15): only Whiteness HP 10 min; Group 2 (n=15): diode laser, wavelength 980 nm power 0.8 W–30 sec+Whiteness HP; Group 3 (n=15): diode laser, wavelength 980 nm power 1 W–30 sec+Whiteness HP; Group 4 (n=15): KTP laser wavelength 532 nm power 1 W–30 sec+Whiteness HP. In the bleaching experiment, 38% hydrogen peroxide was used. The results of the irradiations were characterized using the CIEL*a*b system.

Results: A mean total color difference value greater than 5.0 was obtained in each group. Lasers systems together with Whiteness HP bleaching gel showed the best results using only Whiteness HP gel (p<0.05). Conclusion: Application of laser systems with Whiteness HP provides simple, short, and powerful bleaching in dental offices.


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