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Published on: December 20, 2024
A clinically focused discussion of luting materials
1Department of Care Planning and Restorative Sciences, University of Mississippi School of Dentistry, Jackson, Mississippi 39216, USA. EEHill@umc.edu
Australian Dental Journal
|May 14, 2011
Summary
Choosing the right dental luting agent is crucial for securing restorations. This guide discusses various luting materials, including resins and glass-ionomers, to aid practitioners in making informed clinical decisions.
Area of Science:
- Dental Materials Science
- Restorative Dentistry
- Biomaterials Engineering
Background:
- Luting agents fill microscopic gaps between dental restorations and tooth structures, ensuring mechanical retention and preventing dislodgement.
- Selecting an appropriate luting agent is essential for the long-term success of indirect restorations (definitive and provisional).
Purpose of the Study:
- To provide a clinically focused overview of available luting materials for general dental practitioners.
- To assist practitioners in making informed choices regarding luting agents based on specific clinical scenarios.
Main Methods:
- Review and discussion of various luting material classes, including their properties, advantages, and disadvantages.
- Comparison of resin cements, glass-ionomers, resin-modified glass-ionomers, zinc phosphate, polycarboxylate, and zinc oxide cements.
Main Results:
- Resins offer strength and aesthetics but are technique-sensitive and costly.
- Glass-ionomers provide fluoride release but have limited working times and moisture sensitivity.
- Resin-modified glass-ionomers offer improved setting and strength.
- Zinc phosphate is inexpensive and strong but acidic and soluble.
- Polycarboxylate has lower compressive strength but good tensile strength.
- Zinc oxide cements are suitable for provisional use due to lower strength and higher solubility.
Conclusions:
- Understanding the distinct characteristics of each luting agent is vital for optimal clinical application.
- Practitioners need sufficient knowledge to navigate manufacturer claims and select the most appropriate luting material for diverse clinical situations.
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