THREE-BODY WEAR OF DIFFERENT COMPOSITES RESINS

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ALAGHEHMAND HOMAYOUN; ALHAVAZ ABDOLHAMID; MASOUMI MOHAMMAD

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Journal: Caspian Journal of Dental Research Year:2012 | Volume:1 | Issue:1 Page(s): 37-40

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Title

THREE-BODY WEAR OF DIFFERENT COMPOSITES RESINS

Author(s)

ALAGHEHMAND HOMAYOUN | ALHAVAZ ABDOLHAMID | MASOUMI MOHAMMAD | Issue Writer Certificate

Keywords

ABRASION

COMPOSITE

THREE-BODY WEAR

Abstract

Introduction: Low resistance of COMPOSITE resins to ABRASION is a primary concern in the application of these materials for posterior restorations which are prone to high occlusal loads.This study compared the wear resistance of three types of COMPOSITEs.Methods: In this laboratory experiment, five specimens of each of the three types of COMPOSITEs (z250, Heliomolar, Opallis) were prepared separately in brass molds. COMPOSITEs were placed in 1-mm layers and were cured for 40 seconds. Using an abrasive device, Pedeb 1, with a chromecobalt abrasor, the specimens were abraded under a 20-MPa force, after 5000, 20000, 40000, 80000, 120000 abrasive rotations. Before and after all ABRASION cycles, the specimens were weighed with an electronic balance with a precision of 10-4 g. The collected data were analyzed using paired samples statistics t-test and ANOVA analysis.Results: All the specimens showed a reduction pattern from the initial weights to weights after 120000 abrasive rotations. With more abrasive rotations, greater weight reduction occurs and this is of statistical significance. ANOVA analysis showed no significant difference between the three types of COMPOSITEs; yet, the z250 and Heliomolar groups were associated with the least and the greatest amount of wear, respectively.Conclusions: In all specimens, significant weight reduction occurred after ABRASION but there were no significant differences between the 3 types of COMPOSITEs.

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APA: Copy

ALAGHEHMAND, HOMAYOUN, ALHAVAZ, ABDOLHAMID, & MASOUMI, MOHAMMAD. (2012). THREE-BODY WEAR OF DIFFERENT COMPOSITES RESINS. CASPIAN JOURNAL OF DENTAL RESEARCH, 1(1), 37-40. SID. https://sid.ir/paper/644738/en

Vancouver: Copy

ALAGHEHMAND HOMAYOUN, ALHAVAZ ABDOLHAMID, MASOUMI MOHAMMAD. THREE-BODY WEAR OF DIFFERENT COMPOSITES RESINS. CASPIAN JOURNAL OF DENTAL RESEARCH[Internet]. 2012;1(1):37-40. Available from: https://sid.ir/paper/644738/en

IEEE: Copy

HOMAYOUN ALAGHEHMAND, ABDOLHAMID ALHAVAZ, and MOHAMMAD MASOUMI, “THREE-BODY WEAR OF DIFFERENT COMPOSITES RESINS,” CASPIAN JOURNAL OF DENTAL RESEARCH, vol. 1, no. 1, pp. 37–40, 2012, [Online]. Available: https://sid.ir/paper/644738/en

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