The Effect of Enzymatic Denture Cleanser on the Physical Properties of Different Types of Denture Base Resin Materials

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Abstract

Aim: To evaluate the effect of Denture Cleansers on the properties of Conventional, High impact strength and Flexible denture base materials.Materials and Method: A total of ninety disc shaped resin specimens (20mm×3mm) of different denture base materials [Trevalon Polymethyl Methacrylate (PMMA), Valplast and Trevalon HI (High Impact)] were prepared. Commercially available denture cleansers and the control were categorized into three groups [Group I- distilled water, Group II- 0.5% Sodium Hypochlorite (NaOCl) and Group III- Daiso enzymatic cleanser] used for the immersion of these specimens. The physical properties like color stability, surface roughness and micro-hardness for each specimen was evaluated at the baseline and after six months. The data obtained was statistically analyzed using Repeated Measure Anova test and post-hoc test.Results: There was significant change in color and micro-hardness among three denture base resins when immersed in cleansers from baseline to six months. The surface roughness of denture base resins was not within the clinically acceptable range.Conclusion: The selection of denture cleanser should consider the duration of immersion, concentration of solution, temperature of the solution, material properties and its chemical composition

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