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VOLUME 17 , ISSUE 11 ( November, 2016 ) > List of Articles

RESEARCH ARTICLE

Reinforcing Heat-cured Poly-methyl-methacrylate Resins using Fibers of Glass, Polyaramid, and Nylon: An in vitro Study

Gautam VS Kumar, Anupama Nigam, Ahmad Naeem, Abhishek Gaur, Kaushik Kumar Pandey, Abhimanyu Deora

Citation Information : Kumar GV, Nigam A, Naeem A, Gaur A, Pandey KK, Deora A. Reinforcing Heat-cured Poly-methyl-methacrylate Resins using Fibers of Glass, Polyaramid, and Nylon: An in vitro Study. J Contemp Dent Pract 2016; 17 (11):948-952.

DOI: 10.5005/jp-journals-10024-1960

Published Online: 01-04-2017

Copyright Statement:  Copyright © 2016; The Author(s).


Abstract

Introduction

As civilization has progressed, there has been continued refinement of materials available for dental practice. The applications of resins have been extended to increased practical uses in numerous areas of prosthetic and restorative dentistry. Certain significant alterations in the technique of manipulation and nature of the dental product have influenced the range of application in dentistry. The present study was done to measure and compare the fracture strength of heat polymerized poly-methyl-methacrylate (PMMA) resin reinforced with fibers of glass, polyaramid, and nylon.

Materials and methods

The present study was conducted in vitro on 40 PMMA denture base resin specimens. Specimens were divided into four subgroups with ten specimens each and tested for transverse strength using universal testing machine.

Results

In group I, the transverse strength mean value was 67.82 MPa. In group II, the transverse strength mean value was 59.47 MPa. In group III, the transverse strength mean value was 66.87 MPa, while in group IV, the transverse strength mean value was 66.47 MPa.

Conclusion

Incorporation of 4% weight glass fibers in loose form significantly increased the transverse strength of denture base PMMA, while 4% of polyaramid fiber in random distribution significantly increased the transverse strength of denture base PMMA.

How to cite this article

Kumar VSG, Nigam A, Naeem A, Gaur A, Pandey KK, Deora A. Reinforcing Heat-cured Polymethyl- methacrylate Resins using Fibers of Glass, Polyaramid, and Nylon: An in vitro Study. J Contemp Dent Pract 2016; 17(11):948-952.

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