Effect of two dentinal desensitizing agents on retention of complete cast coping using four cements

The cementation of artificial crowns is commonly accompanied by sensitivity, so the clinical application of desensitizing agents has become prevalent. This study investigated the effects of Imperva bonding agent and All-Bond desensitizing agent on the retention of artificial crowns. The cements sele...

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Bibliographic Details
Published in:The Journal of prosthetic dentistry 1996-02, Vol.75 (2), p.129-134
Main Authors: Mausner, Irena K, Goldstein, Gary R, Georgescu, Maria
Format: Article
Language:English
Subjects:
Analysis of Variance
Cementation
Composite Resins - chemistry
Composite Resins - therapeutic use
Crowns
Dental Bonding
Dental Cements - chemistry
Dental Prosthesis Retention
Dental Stress Analysis - instrumentation
Dentin Sensitivity - prevention & control
Dentin-Bonding Agents - chemistry
Dentin-Bonding Agents - therapeutic use
Dentistry
Glass Ionomer Cements - chemistry
Humans
Materials Testing
Methacrylates - chemistry
Methacrylates - therapeutic use
Polycarboxylate Cement - chemistry
Resin Cements
Stress, Mechanical
Zinc Phosphate Cement - chemistry
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Summary:The cementation of artificial crowns is commonly accompanied by sensitivity, so the clinical application of desensitizing agents has become prevalent. This study investigated the effects of Imperva bonding agent and All-Bond desensitizing agent on the retention of artificial crowns. The cements selected for this study were: zinc phosphate, polycarboxylate, glass ionomer, and resin luting agents. Extracted, intact, human molars were mounted in autopolymerizing acrylic resin and prepared for complete cast copings. Thirty-two teeth were treated with All-Bond desensitizing agent, 32 teeth with Imperva bonding agent, and 32 remained untreated. Castings were cemented and tested on an Instron testing machine. The results demonstrated a significant reduction in retention when All-Bond desensitizing agent was used with polycarboxylate cement and some reduction with zinc phosphate cement. Imperva bonding agent demonstrated less retention with glass ionomer cement.
ISSN:0022-3913
1097-6841
DOI:10.1016/S0022-3913(96)90088-8