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Retentive Strength of Implant-Supported Base Metal Copings Over Short Metal Abutments Using Different Luting Agents and Surface Treatments Publisher Pubmed



Nejatidanesh F1, 2 ; Savabi O2, 3 ; Ebrahimi M4 ; Savabi G5
Authors
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Authors Affiliations
  1. 1. Dental Materials Research Center, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Biomaterials Research Group, Isfahan University of Technology, Isfahan, Iran
  3. 3. Torabinejad Dental Research Center, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
  4. 4. Department of Endodontics, School of Dentistry, Khorasgan Islamic Azad University, Isfahan, Iran
  5. 5. Dental Students' Research Committee, School of Dentistry, Khorasgan Islamic Azad University, Isfahan, Iran

Source: Implant Dentistry Published:2014


Abstract

PURPOSE: To evaluate the effect of surface treatments on retention of implant-supported restorations over short abutments. MATERIALS AND METHODS: One hundred twenty metal copings were made on Straumann solid abutments (3 mm length). The copings were divided into 2 groups: control and air abraded (50 μm Al2O3). The copings were luted using Fleck's, Poly F, Panavia F, and Fuji Plus. In resin cements groups, 2 subgroups were studied base on the application of Alloy Primer (n = 10). After conditioning in saliva and 5000 thermal cycles, retentive strengths of specimens were measured. Data were analyzed by 1-way ANOVA and Tukey honestly significant difference tests (α = 0.05). RESULTS: Panavia F 2.0 combined with Alloy Primer showed the most retentive values. In control and air abraded groups, there was no significant difference between the studied luting agents. Alloy Primer significantly increased the retention of copings luted with Panavia F 2.0. CONCLUSION: Within the limitations of this study, the retentive strength of metal copings over short implant abutments was not improved by airborne-particle abrasion. However, Alloy primer enhanced the retention of metal copings that were luted using Panavia F 2.0. Copyright © 2014 by Lippincott Williams &Wilkins.
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