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Adhesion of Er:YAG laser-irradiated dentin and composite resins: Application of various treatments on irradiated surface

✍ Scribed by Toru Eguro; Toru Maeda; Masahito Otsuki; Yaeko Nishimura; Ichiroh Katsuumi; Hisayoshi Tanaka

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
201 KB
Volume
30
Category
Article
ISSN
0196-8092

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✦ Synopsis

Abstract

Background and Objectives

The investigation of adhesion between an Er:YAG laser‐irradiated surface and composite resin is very important to ensure the best clinical results. The purpose of this investigation is to determine if the application of various treatments on Er:YAG laser‐irradiated dentin surface affects the tensile bond strength between dentin and composite resins.

Study Design/Materials and Methods

In this investigation, the application of phosphoric acid, ultrasonic scaler, air‐scaler, and air‐powder polisher were tested as techniques to increase the bond strength of composite resins to Er:YAG laser‐irradiated dentin surface.

Results

The tensile bond strength of the air‐powder polished group was highest, at 18.45 ± 3.72 MPa, and the lowest value was that of the only laser‐irradiated group, at 12.56 ± 4.38 MPa.

Conclusions

The bond strengths in treated with air‐powder polished group and phosphric acid etched group were significantly higher than that of the group in laser irradiation alone. Lasers Surg. Med. 30:267–272, 2002. © 2002 Wiley‐Liss, Inc.

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