Submitted: 06 May 2007
Accepted: 25 Feb 2013
ePublished: 25 Feb 2013
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J Iran Dent Assoc. 2005;17(3): 55-61.
  Abstract View: 24

Research

A comparison of the impact strength between Acropars and Meliodent acrylic resins

Fariba Golbidi*, Amir Meghdadi
*Corresponding Author: Email: fgolbidi@yahoo.com

Abstract

A comparison of the impact strength between Acropars and Meliodent acrylic resins

Dr. F. Golbidi* - Dr. A. Meghdadi**

 *-Assistant Professor of Prosthodontics Dept. – Faculty of Dentistry – Isfahan University of Medical Sciences.

**-Dentist.

Background and Aim: One of the mostly used materials in removable prostheses are acrylic resins with various physical and mechanical properties. The impact strength of acrylic resins plays an important role in treatment success. The aim of this study was to compare the impact strength of Iranian made Acropars acrylic resin with British Standard as well as with Meliodent acrylic resin confirmed by American Dental Association (ADA).

Materials and Methods: In this experimental study, 15 cubic rectangular shape samples of each acryles were prepared. The dimensions of these samples were 50×6×4 mm. All measurements were performed using plastic impact tester. Data were analyzed by t – test.

Results: The means of impact strengths were 1.21 kj/m2 and 1-39 kj/m2 for Acropars and Meliodent acrylic resins, respectively showing statistically significant difference between these two materials (P=0.26). Both of them were in the limitation of British Standard (at least 0.8 kj/m2).

Conclusion: There is no significant difference in impact strength between Acropars and Meliodent acryles and both of these materials comply with the requirements of British Standard (No:2487)

Key words: Impact strength – Acrylic resins

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