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Evaluation of interfacial bond strength of repaired composite resins.

Journal of Baghdad College of Dentistry

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Title Evaluation of interfacial bond strength of repaired composite resins.
 
Creator Abdul Kareem, Ali M.
 
Description Background: Repair of composite restorationsis a choice if absence of caries is guaranteed. The purpose of this study was to evaluate the interfacial shear bond strength of the immediately repaired composite specimens.
Materials and methods: Sixty specimens from 2 types of composite were made in a special mold and polymerized with light. Three methods of surface treatment of the initial layer were done prior to the application of the repair layer including the use of matrix strip or not and abrasion. The specimens were subjected to shear force from the testing machine and mean for each group was calculated.
Results: The non–air inhibited specimens showed the highest values of shear bond strength (mean =13.1 Mpa) which was significantly different from the bur abraded specimens (p0.05) for both types of composite.
Conclusion: The absence of air inhibited layer by using matrix strip increase the interfacial bond strength of the immediately repaired composite with inferior interfacial bonding for the bur abrasion method.
 
Publisher College of dentistry/ University of baghdad
 
Date 2017-01-30
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Identifier http://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/1620
 
Source Journal of Baghdad College of Dentistry; Vol 18 No 2 (2006); 32-34
2311-5270
1680-0087
 
Language en
 
Rights Copyright (c) 2017 Journal of Baghdad College of Dentistry