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Paper Information

Journal:   JOURNAL OF ISFAHAN DENTAL SCHOOL   SPRING 2018 , Volume 14 , Number 1 ; Page(s) 75 To 82.
 
Paper: 

EVALUATION OF COMPRESSIVE STRENGTH AND FILM THICKNESS OF HARVARD AND ARIADENT POLYCARBOXYLATE CEMENTS BASED ON 12252-1 STANDARD OF IRAN

 
 
Author(s):  SABOUHI MAHMOUD, DIBAJI NASRIN ALSADAT, HORMOZI MOHSEN*
 
* DEPARTMENT OF PROSTHODONTICS, DENTAL STUDENT RESEARCH CENTER, SCHOOL OF DENTISTRY, ISFAHAN UNIVERSITY OF MEDICAL SCIENCES, ISFAHAN, IRAN
 
Abstract: 

Introduction: Polycarboxylate cement is one of the most commonly used cements in prosthodontics and in pediatric and restorative dentistry. However, the compressive strength and film thickness of polycarboxylate cement need to be investigated.
Materials & Methods: In this in vitro study, 20 samples (10 samples from each cement) were used to test the film thickness and compressive strength of cements. Five samples from each cement were used to test the film thickness and 5 samples were used to test the compressive strength based on 1-12252A standard of Iran (ISO 9917-1: 2007). Data were analyzed with ANOVA (
a=0.05).
Results: The mean film thickness of Harvard and Ariadent cements were 26 ± 0.58 and 77.2 ±4.36
mm, respectively. The mean compressive strengths of Harvard and Ariadent cements were 67.68 ± 11.82 and 63.46 ± 5.42 MPa, respectively.
Conclusion: According to the criteria set by the 12252-1 standard, Harvard and Ariadent cements exhibited film thickness higher than the standard, which was unacceptable. However, both cements exhibited acceptable compressive strengths based on the standard.

 
Keyword(s): COMPRESSIVE STRENGTH, FILM THICKNESS, POLYCARBOXYLATE CEMENT
 
References: 
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