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Year : 2021  |  Volume : 21  |  Issue : 3  |  Page : 287-294

An in vitro study to compare the influence of two different primers on the peel bond strength between a maxillofacial silicone material and an acrylic resin material versus a composite resin material

Department of Prosthodontics, Goa Dental College and Hospital, Bambolim, Goa, India

Correspondence Address:
Ruksana Farooqui
Department of Prosthodontics, Goa Dental College and Hospital, Bambolim - 403 005, Goa
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jips.jips_80_21

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Aim: The aim of this study was to evaluate and compare the peel bond strength of an autopolymerizing acrylic resin and a fiberreinforced composite (FRC) resin to a heat temperature vulcanizing maxillofacial silicone (M511) using two different primers. Settings and Design: In vitro - comparative study. Materials and Methods: Autopolymerizing acrylic resin and FRC resin specimens with a dimension of 75 mm (length) ×10 mm (width) × 3 mm (height) were fabricated. A total of 60 samples were split into six categories based on the substructure material and primers (A330G primer and Sofreliner tough primer) used to bond the maxillofacial silicone to the FRC and acrylic resin specimens. In a universal testing machine, the peel bond strength was conducted at a 10 mm/min crosshead speed until bonding failure occurred. Statistical Analysis Used: The t-test, one-way analysis of variance, and the Tukey's honest significant difference (post hoc test) tests were used to statistically assess the values. Results: The Sofreliner tough primer produced the greatest peel bond strength in both the acrylic resin (0.89690 N/mm) and the FRC resin groups (3.19860 N/mm). Adhesive failures predominated in the acrylic resin group regardless of the primer used. The FRC group showed predominantly cohesive failures with both the A330G primer and Sofreliner tough primer. Conclusion: This study suggests that FRC resin combined with Sofreliner tough primer can significantly enhance the peel bond strength.

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