CO2 laser dentin surface treatment most effectively increased ceramic shear bond strength

Abstract : Background and aims: The purpose of this study is to determine the effect of CO2 laser irradiation in comparison with sandblasting (Sb), hydrofluoric acid (Hf) and silane coupling agent (Si) on shear bond strength (SBS) of resin cement to CAD/CAM ceramics bonded to dentin. Material and Methods: Forty-eight (CAD/CAM) ceramic discs were prepared and grouped by material, i.e. lithium disilicate (Emax CAD) and zirconia ceramic (Emax ZirCAD), distributed into four different groups: group A, lithium disilicate (Li) CO2/HF/Si; group B, Li: HF/Si; group C, zirconia (Zr) CO2/Sb/Si; group D, Zr: Sb/Si. Results: It was shown significant difference between irradiated and non-irradiated groups in terms of shear bond strength for zirconia ceramics (p value = 0.039). Conclusion: CO2 laser irradiation increases shear bond strength for both CAD/CAM ceramics bonded to dentin.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-01774518
Contributeur : Magalie Prudon <>
Soumis le : lundi 23 avril 2018 - 16:26:19
Dernière modification le : lundi 12 novembre 2018 - 11:05:17

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Ahmed El Gamal, Etienne Medioni, Jean Paul Rocca, Carlo Fornaini, Brulat-Bouchard Nathalie. CO2 laser dentin surface treatment most effectively increased ceramic shear bond strength. Journal of Cutaneous Laser Therapy, Informa UK (Taylor & Francis), 2018, 27 (1), pp.48 - 54. ⟨10.5978/islsm.18-OR-05⟩. ⟨hal-01774518⟩

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