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Evaluation of the Bond Strength of Three Soft Lining Materials to Acrylic Resin Denture Base | ||
| Al-Rafidain Dental Journal | ||
| Article 7, Volume 12, Issue 1, 2012, Pages 57-65 PDF (0 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.33899/rden.2012.42630 | ||
| Authors | ||
| Munther N Kazanji; Asmaa A Abid Al-Kadder | ||
| Abstract | ||
| Aims: The aims of this study were to evaluate the effect of different surface treatments and different periods of water storage on tensile bond strength of three soft lining materials. Materials and me-thods: Two hundred sixty four (264) specimens have been prepared. Surface treatments used for bond-ing Molloplast – B liner included roughening acrylic surface with bur, and treatment with primo adhe-sive. For bonding Bony plus liner, roughening acrylic surface with bur, treatment with liner’s liquid and combination of both treatments have been evaluated. For GC Reline liner, roughening acrylic sur-face with bur has been evaluated.Befor tensile bond testing of molloplast-B liner’s specimens they were stored for(1 day or 1 month or 4 months), while Bony plus and GC Reline liners’specimenes were stored for(1 day or 1 week or 1 month) and then tested. Results: The results showed that roughening acrylic surface had an insignificant effect on (TBS) of GC Reline liner and Bony plus liner (although these materials showed cohesive failure). Bony plus liner’s liquid treatments had significant improve-ment in (TBS) of this liner. Different periods of water storage had insignificant effect on (TBS) of Mol-loplast-B liner and GC Reline liner, but (TBS) of Bony plus liner showed significant increasing after 1-month water storage. Conclusion: From the results of this study we can concluded that surface treat-ment to acrylic base improved tensile bond strength of soft lining material ,and the effect of water sto-rage on bond strength differed with different types of soft lining materials. | ||
| Keywords | ||
| soft liner; Bond strength; Denture Base | ||
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