Incremental layers bonding of silorane composite: The initial bonding properties
作者： A. Tezvergil-Mutluay , L.V.J. Lassila , P.K. Vallittu
DOI: 10.1016/J.JDENT.2008.03.008
关键词:
摘要: Abstract Objectives Lack of oxygen inhibition layer silorane composite with cationic polymerization raises the question bonding incremental layers composite. This study aimed to evaluate bond strength layers. Methods Fresh, 20 s, 5 min aged (Silorane, 3M-ESPE) was used as substrate adhere new For a comparison, dimethacrylate-based resin (Z250, adhered or without intermediate adhesive resin. As control, dimethacrylate attached fresh The bonded specimens ( n = 12/group) were water stored for 24 h. shear strengths (SBS) measured crosshead speed 1.0 mm/min. Failure modes assessed. Data analysed by ANOVA, Tukey's post hoc tests and Chi-square p = 0.05). Results Dimethacrylate–dimethacrylate combination showed highest mean SBS (33.0 MPa) values no failures. Fresh silorane–silorane slightly lower (26.7 MPa) further decreased aging 20 s (25.4 MPa) (22.4 MPa). percent failures increased from 25% 75%, respectively. failure significantly different (Chi-square, Conclusion In order composite, phosphate–methacrylate-based is required. properties than conventional composites.
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