CO 2 laser dentin surface treatment most effectively increased ceramic shear bond strength.

Autor: Gamal AE; Micoralis laboratoy EA 7354, University Côte d'Azur, Nice, France., Medioni E; Micoralis laboratoy EA 7354, University Côte d'Azur, Nice, France., Rocca JP; Micoralis laboratoy EA 7354, University Côte d'Azur, Nice, France., Fornaini C; Micoralis laboratoy EA 7354, University Côte d'Azur, Nice, France., Brulat-Bouchard N; Mines ParisTech, Centre de Mise en Forme des Matériaux (CEMEF), CNRS-UMR 7635, Sophia Antipolis, France.
Jazyk: angličtina
Zdroj: Laser therapy [Laser Ther] 2018 Mar 31; Vol. 27 (1), pp. 48-54.
DOI: 10.5978/islsm.18-OR-05
Abstrakt: Background and Aims: The purpose of this study is to determine the effect of CO 2 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) CO 2 /HF/Si; group B, Li: HF/Si; group C, zirconia (Zr) CO 2 /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: CO 2 laser irradiation increases shear bond strength for both CAD/CAM ceramics bonded to dentin.
Databáze: MEDLINE
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