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Lasers in Medical Science
Erschienen in: Lasers in Medical Science 3/2007

01.09.2007 | Original article

Adhesion of composite luting cement to Er:YAG-laser-treated dentin

verfasst von: Teresa C. D. Carrieri, Patricia M. de Freitas, Ricardo S. Navarro, Carlos de P. Eduardo, Matsuyoshi Mori

Erschienen in: Lasers in Medical Science | Ausgabe 3/2007

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Abstract

Although some studies claim to the increase of composite resin adhesion to Er:YAG-laser-treated dentin, there are still no reports on the adhesion of composite resin cements to the irradiated surface. This in vitro study evaluated the tensile bond strength (TBS) of a composite resin cement to dentin treated with the Er:YAG laser. Sixty human dentin samples were divided into four groups (n = 15): G1 (Control)—no treatment; G2-Er:YAG laser 60 mJ, 2 Hz, with water cooling, non-contact (19 J/cm2); G3-Er:YAG laser 60 mJ, 10 Hz, 50/10 fiber, contact, without water cooling (40 J/cm2); G4-Er:YAG laser 60 mJ, 10 Hz, 50/10 fiber, contact, with water cooling (40 J/cm2). After the surface treatment, each sample was submitted to bonding procedures. The analysis of variance (ANOVA) and Tukey tests revealed no statistical significant difference on TBS values for groups G1 (13.73 ± 3.05 MPa), G2 (12.60 ± 2.09 MPa) and G4 (11.17 ± 4.04 MPa). G4 was not statistically different from G3 (8.64 ± 2.06 MPa). Er:YAG laser irradiation with different settings can constitute an alternative tool to the use of composite resin-luting cements.
Fußnoten
1
The Er:YAG Laser (Kavo Key II, KaVo, Germany) equipment was purchased by the Special Laboratory of Lasers in Dentistry (LELO/FOUSP) with financial support given from FAPESP (grant # 97/10823-0).
 
2
User manual (Key Laser 2, KaVo, Germany), Session Handstuck E 2055/ Handstuck P 2056, page 14.
 
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Metadaten
Titel
Adhesion of composite luting cement to Er:YAG-laser-treated dentin
verfasst von
Teresa C. D. Carrieri
Patricia M. de Freitas
Ricardo S. Navarro
Carlos de P. Eduardo
Matsuyoshi Mori
Publikationsdatum
01.09.2007
Verlag
Springer-Verlag
Erschienen in
Lasers in Medical Science / Ausgabe 3/2007
Print ISSN: 0268-8921
Elektronische ISSN: 1435-604X
DOI
https://doi.org/10.1007/s10103-006-0433-7

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