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[A study on marginal leakage of crown after cyclic loading test]
1The Second Department of Prosthetic Dentistry, Tsurumi University School of Dental Medicine. morita@yamateavenue-dent.com
Nihon Hotetsu Shika Gakkai Zasshi
|October 21, 2005
Summary
Panavia Fluoro Cement with the AD gel method and Relay-X ARC demonstrated superior marginal integrity in dental crowns under occlusal loading. These luting agents offer excellent durability, preventing leakage and ensuring long-term restoration success.
Area of Science:
- Dental Materials Science
- Biomaterials Engineering
- Restorative Dentistry
Context:
- Dental restorations require durable luting cements to withstand oral forces.
- Marginal leakage is a critical factor affecting the longevity of crowns.
- Occlusal forces can compromise the integrity of cemented crowns.
Purpose:
- To evaluate the relationship between occlusal force and marginal leakage in luted abutment teeth.
- To compare the performance of six different dental cements under cyclic loading conditions.
- To assess the durability of crown luting agents against mechanical stress.
Summary:
- Six dental cements were tested for marginal leakage after cyclic loading of luted abutment teeth.
- Panavia Fluoro Cement with AD gel and Relay-X ARC exhibited excellent marginal closure.
- Scanning electron microscopy revealed cement cohesion failure or dentin interface detachment with other tested cements.
Impact:
- Identifies luting agents with superior durability for dental crowns.
- Provides evidence for selecting cements that resist marginal leakage under occlusal load.
- Contributes to improved long-term success rates of fixed dental prostheses.