Abstract
Aim: Some patients experience adverse reactions to poly (methyl methacrylate)-based (PMMA) dentures. Polyamide (PA) as an alternative to PMMA has, however, not been well documented regarding water sorption and water solubility. The aim of this in vitro study was to evaluate the effect of two different cleansing agents on water sorption and solubility of two different thermoplastic denture base materials. Materials and methods: A total of 60 samples were fabricated from two different thermoplastic denture base materials (i.e. vertex thermosens and breflex). The samples were divided into 3 groups. Each group was including 20 samples, 10 samples from each denture base material. Samples of Group I were subjected to the distilled water as a control group. While samples of Group II were subjected to the Corega as a cleansing agent and samples of Group III were subjected to Fitty dent as the other cleansing agent. Effect of the two cleansing agents on the two-different thermoplastic denture base materials were evaluated and compared with regards water sorption and solubility. Results: Non-significant results were found regarding water sorption and solubility. The fittydent cleansing agent had a slight more non-significant effect on color stability of vertex thermosens and breflex denture base materials than corega cleansing agent and water. The corega and fittydent cleansing agents had a nonsignificant effect on water sorption and solubility of vertex thermosens and breflex denture base materials. Conclusion: Corega and fittydent cleansing agents could be used safely for disinfecting denture base materials (vertex thermosens and breflex) as they had non-significant effect on color stability, water sorbtion and solubility.
Highlights
Many resins have been used for denture base construction
The Aim of this study was that there would be no effect of two different cleansing agents on two different thermoplastic denture base materials with regards to water sorption and solubility
In this in-vitro study, a total of 60 samples were made from two different thermoplastic denture base materials
Summary
Many resins have been used for denture base construction. These materials include heat-activated (polymerized using a water bath or microwave oven), chemically activated (cold polymerized resins), and light-activated denture base acrylic resins. A cross-linking agent may be added to the monomer component to improve its susceptibility to solvent crazing[1]. Nylon is a generic name for certain types of thermoplastic polymers known as polyamides. This crystalline nature lack of solubility in solvents, high heat resistance, and high strength coupled with ductility 2
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