Comparative Evaluation of Transverse Strength of Conventional Denture Base Resin with Reinforced Denture Base Resin: An In-Vitro Study.
Journal Title: International Journal of Dental Science and Innovative Research (IJDSIR) - Year 2019, Vol 2, Issue 3
Abstract
Statement of problem: Fracture strength of denture base resins is of great concern, and many approaches have been used to strengthen acrylic resin dentures. Purpose: This study measured the effect of three fibre strengtheners on the fracture resistance of denture base acrylic resin material. Transverse strength of a heat-polymerized denture base resin (DPI), reinforced with glass, carbon, and polyethylene fibres were studied. Material and methods: Thirty acrylic resin test specimens reinforced with fibres were fabricated. The control group consisted of ten specimens with no fibre reinforcement. Transverse strength was assessed with a three-point bending test by using a screw-driven mechanical testing machine. Ten specimens were used for each test. Results: There were no significant differences in transverse strength. The lowest transverse strength values were obtained for specimens strengthened with polyethylene fibres, which also insignificantly decreased transverse strength of the acrylic resin. Conclusion: Tested fibres did not have a significant effect on the transverse strengths.
Authors and Affiliations
Dr. Ritu Batra
Keywords
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