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

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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.

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Notes

  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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Acknowledgements

The authors wish to thank the Special Laboratory of Lasers in Dentistry (LELO) of the University of São Paulo (Brazil) and KAVO (Brazil) for the use of the Er:YAG Laser, and express their gratitude to FAPESP for the financial support given for the acquisition of the equipment (Grant no. 97/10823-0).

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Authors and Affiliations

  1. Department of Prosthodontics, School of Dentistry, University of São Paulo (USP), São Paulo, Brazil

    Teresa C. D. Carrieri & Matsuyoshi Mori

  2. Department of Restorative Dentistry, School of Dentistry, University of São Paulo (USP), São Paulo, Brazil

    Patricia M. de Freitas

  3. Department of Orthodontics and Pediatric Dentistry, School of Dentistry, University of São Paulo (USP), São Paulo, Brazil

    Ricardo S. Navarro

  4. Department of Restorative Dentistry, School of Dentistry, University of São Paulo (USP), São Paulo, Brazil

    Carlos de P. Eduardo

  5. Departamento de Dentistica, Faculdade de Odontologia de São Paulo-USP, Av. Prof. Lineu Prestes, 2227-Cidade Universitária, São Paulo SP, 05508-900, Brazil

    Carlos de P. Eduardo

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  1. Teresa C. D. Carrieri
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  2. Patricia M. de Freitas
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  3. Ricardo S. Navarro
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  4. Carlos de P. Eduardo
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  5. Matsuyoshi Mori
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Correspondence to Carlos de P. Eduardo.

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Carrieri, T.C.D., de Freitas, P.M., Navarro, R.S. et al. Adhesion of composite luting cement to Er:YAG-laser-treated dentin. Lasers Med Sci 22, 165–170 (2007). https://doi.org/10.1007/s10103-006-0433-7

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  • DOI: https://doi.org/10.1007/s10103-006-0433-7

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