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- Title
Effect of fabrication process on the bond strength between silicone elastomer and acrylic resin for maxillofacial prosthesis.
- Authors
HATTORI, Mariko; SUMITA, Yuka I.; MUTHIAH, Lovely; IWASAKI, Naohiko; TAKAHASHI, Hidekazu; AIMAIJIANG, Yiliyaer; YOSHI, Shigen; TANIGUCHI, Hisashi
- Abstract
This study evaluated the effects of the fabrication process on tensile bond strength between maxillofacial silicone elastomer and acrylic resin. A common maxillofacial silicone elastomer (VST-50), two primers (Sofreliner primer and R-SI-LINE Plasticbond), and two acrylic resins (Unifast III and Palapress Vario) were selected. Silicone elastomer between primed acrylic resin plates were polymerized using a metal flask mold or a flaskless stone mold. Bond strength of the specimens was measured by a tensile test and analyzed using two-way analysis of variance (ANOVA) with Tukey's honest significant difference test. All fracture surfaces showed interfacial fracture. Both the fabrication process and the primer-acrylic resin combination affected bond strength, and two-way ANOVA indicated a significant interaction. Bond strength was generally greater when silicone elastomer was polymerized using a flaskless stone mold.
- Subjects
DENTAL bonding; MICROFABRICATION; ELASTOMERS in dentistry; SILICONES in medicine; ACRYLIC resins
- Publication
Dental Materials Journal, 2014, Vol 33, Issue 1, p16
- ISSN
0287-4547
- Publication type
Article
- DOI
10.4012/dmj.2013-225