en ترمیمی Cosmetic and Restorative Dentistry پژوهشي Research <p><table><tbody><tr><th valign="middle" width="95%">Clinical Relevance</th></tr></tbody></table></p><p> Cross-compatibility between different combinations of methacrylate-based resin composites and etch-and-rinse one-bottle adhesives was evidenced for products from different manufacturers. This represents a desirable property of adhesives as it allows the flexibility to select different composite systems based on the specific restorative needs.</p><p><table><tbody><tr><th valign="middle" width="95%">SUMMARY</th></tr></tbody></table></p><p></p><p> <strong>Objective:</strong></p><p><strong> </strong>To compare dentin shear bond strength (SBS) of four combinations of light-activated one-bottle adhesives and composites to determine if cross-compatibility exists, and to determine if the use of the same manufacturer's adhesive and composite results in higher SBS than systems that combine different manufacturers' products.</p><p> <strong>Methods: </strong></p><p>One hundred sixty human third molars were used for bonding (n=10). Specimens were treated with 37% phosphoric acid and one of four etch-and-rinse adhesives. Specimens were placed in a bonding jig, which was filled with one of four composites. Adhesives PQ1 (Ultradent), Excite (Ivoclar-Vivadent), Optibond Solo Plus (Kerr), and Single Bond (3M-ESPE) and composites Vit-l-Escence (Ultradent), Four Seasons (Ivoclar-Vivadent), Premise (Kerr), and Filtek Supreme Plus (3M-ESPE) were tested. SBS was measured at 24 hours and three months with a testing machine at a speed of 1 mm/min and expressed in MPa. A three-way analysis of variance and Tukey tests were used for data analysis.</p><p> <strong>Results:</strong></p><p><strong> </strong>Significant differences were evidenced among composites for each adhesive system (<i>p</i><0.001) and among adhesives for each composite system (<i>p</i><0.001). Optibond Solo Plus and PQ1 yielded significantly higher bond strengths than Single Bond and Excite for all composite systems (<i>p</i><0.05). All combinations, with the exception of two, demonstrated a decrease in bond strength values after aging.</p><p> <strong>Conclusions:</strong></p><p><strong> </strong>Cross-compatibility was demonstrated, indicating that etch-and-rinse one-bottle adhesive systems can be safely used with composites from different manufacturers without a compromise to the bond strength. Moreover, even higher mean SBS values were demonstrated for selective combinations of different manufacturers' products.</p><p></p><hr color="#0033ff" ><p></p><p><strong>Source: </strong>Operative Dentistry </p><p><a href="http://www.jopdentonline.org/doi/abs/10.2341/11-095-L"><font color="#0000cc">  Full text</font></a> </p> 0 0 http://idai.ir/browse.php?a_code=A-10-32-117&slc_lang=en&sid=1 Camila Sabatini cs252@buffalo.edu 1003194753284600484 1003194753284600484 Yes Buffalo, NY, USA Marc Campillo 1003194753284600485 1003194753284600485 No Buffalo, NY, USA Shane Hoelz 1003194753284600486 1003194753284600486 No Buffalo, NY, USA Elaine L. Davis 1003194753284600487 1003194753284600487 No Buffalo, NY, USA Carlos A. Munoz 1003194753284600488 1003194753284600488 No Buffalo, NY, USA