The Journal of Contemporary Dental Practice

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VOLUME 20 , ISSUE 1 ( January, 2019 ) > List of Articles

ORIGINAL RESEARCH

Effect of Alcohol and Tea on Solubility of Soft-liner and Polymethyl Methacrylate Resin: An In Vitro Study

Keywords : Acrylic resin,Alcohol,Green tea,Soft-liner,Solubility and tea with milk

Citation Information : Effect of Alcohol and Tea on Solubility of Soft-liner and Polymethyl Methacrylate Resin: An In Vitro Study. J Contemp Dent Pract 2019; 20 (1):83-88.

DOI: 10.5005/jp-journals-10024-2480

License: CC BY-NC 4.0

Published Online: 01-01-2019

Copyright Statement:  Copyright © 2019; Jaypee Brothers Medical Publishers (P) Ltd.


Abstract

Aim: To evaluate solubility of soft denture liner material and acrylic denture base resin when stored in 8% and 50% concentration of alcohol and tea(with milk and green tea) at an interval of 4,7,11 and 15 days.

Materials and methods: An in vitro study wasdone on 75 standardized samples in disk form (15 mm × 2 mm), each for soft-liner and acrylic denture base resin. Samples were divided into 5 groups (15 per group/per material) and stored in distilled water (A), 8% alcohol (B), 50% alcohol (C), tea with milk (D) and green tea (E). Solubility was determined at each time interval by dividing difference of weight (taken after drying the sample in a desiccator) from day 1 divided by surface area of the specimen. For each day (i.e., 4, 7, 11 and 15),one-way analysis of variance (ANOVA) test was used to determine if the distribution of mean solubility was similar in five groups followed by post-hoc Tukey’s test for pair-wise comparisons.

Results: Mean solubility of soft-liner was the highest tea with milk (D) followed by green tea (E), then 50% and 8 % alcohol (C and B) and was least in group A at each time of measurement. Mean solubility of an acrylic resin was highest for 8% alcohol (B) and all other groups it was similar.

Conclusion: This study shows increased solubility for soft-liners when immersed in tea with milk, green tea, and alcohol at 8% and 50% concentration. The solubility of acrylic resin also increases at 8% alcohol concentration.

Clinical significance: Drinks/beverages used in our study are commonly consumed, the results of this study caution for restricting the frequency of intake. However, this needs to be confirmed by in-vivo studies designed to prove the association of denture life with the consumption pattern of these drinks/ beverages.


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