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Evaluation of the tensile bond strengths of heat cure acrylic and Valplast with silicone self cure soft liner | ||
| Journal of baghdad college of dentistry | ||
| Article 1, Volume 24, Issue 0, 2012, Pages 5-9 | ||
| Author | ||
| Ali J. Abdulsahib | ||
| Abstract | ||
| Background: Soft lining materials have a key role in modern prosthodontics because of their capability of restoring health of inflamed and distorted mucosa. Gradual changes of oral tissues require that complete or partial dentures be relined to improve their adaptation to the supporting tissue. This study aimed to evaluate the tensile bond strength of heat cure acrylic and Valplast denture base materials to silicone self-cure soft lining material stored in artificial saliva. Materials and method: Two types of self cured silicone soft lining material (one with prime the other without prime or adhesive) applied to polymethylmethacrylate and injection-molded nylon denture base materials for tensile bond strength testing using Instron machine. Results: The comparison between all test groups after (48) hours immersion in artificial saliva were highly significantly different from each other except for the comparison between groups PSP and VSP in which theirmeans were non-significant. After (12) weeks, the comparison between all test groupswere highly significantly different fromeach otherwhen compared statistically. Conclusion: This study indicated that prime (adhesive) increase the bond strength of the silicone soft lining materials with denture base materials. Silicone soft lining materials are affected by artificial saliva storage | ||
| Keywords | ||
| Self; cure silicone soft lining material; acrylic denture base; injection; molded nylon; Tensile bond strength | ||
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