Annals of African Medicine
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Year : 2021  |  Volume : 20  |  Issue : 2  |  Page : 116-120

An in vitro evaluation of tensile bond strength of soft liners bonded to different denture base resins

1 Department of Prosthodontics, Institute of Dental Sciences, Siksha O' Anusandhan, Deemed to be University, Bhubaneswar, Odisha, India
2 Department of Prosthodontics, College of Dentistry, Jazan University, Saudi Arabia
3 Professor and Head of the Department, Department of Prosthodontics, Al-Azhar Dental College, Thodupuzha, Kerala, India
4 Department of Prosthodontics and Implantology, Sri Siddhartha Dental College, Sri Siddhartha Academy of Higher Education, Tumkur, Karnataka, India
5 Department of Orthodontics and Dentofacial Orthopedics, Nitte (Deemed to be University), AB Shetty Memorial Institute of Dental Sciences (ABSMIDS), Mangalore, Karnataka, India
6 Professor, Department of Pediatric and Preventive Dentistry, Sharavathi Dental College and Hospital, Shimvaogga, Karnataka, India

Correspondence Address:
Prashant Babaji
Professor, Department of Pediatric and Preventive Dentistry, Sharavathi Dental College, Shivamogga, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/aam.aam_30_20

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Background: Clinically, adhesion failure is the most critical problem because of the failure of the optimal bond between denture base and the soft liner. Objectives: This study was performed to assess the tensile bond strength of two temporary soft liners to different denture base resins. Materials and Methods: Forty-eight blocks with 16 samples each of heat-cured denture base resin of three different types were fabricated from custom-made stainless steel die after de-waxing mold space. Surface roughening of each acrylic resin specimens which bonds with soft liners was done by abrading the surface and to this temporary soft liners (Perma soft denture liner and Pro soft denture liner) were bonded. The universal testing machine was used to test the tensile strength of bonded space. The results were statistically analyzed using the Statistical Software IBM SPSS Statistics for Windows, version 20.0. (Armonk, NY, USA: IBM Corp.) using the Chi-square test, Post hoc Tukey's HSD, and two way ANOVA tests. Results: It was observed that Perma soft was prevalent over Pro-soft denture liner on the basis of tensile bond strength with all three different types of denture base resins. Trevalon HI and acrylic composite exhibited better bond strength results with both Perma soft and GC Pro-soft denture liner as compared to other types of denture base resins. Conclusion: Perma soft had a better bond strength compared to Pro-soft denture liner in bonding modified denture base and conventional resins.

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