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Compomers: between glass-ionomer cements and composites
J M Meyer1, M A Cattani-Lorente, V Dupuis
1Division of Dental Materials, School of Dentistry, University of Geneva, Switzerland.
Biomaterials
|June 30, 1998
Summary
Compomers, a blend of composite resins and glass-ionomer cements, offer unique properties for dental fillings. This study compares their mechanical characteristics, water absorption, and fluoride release.
Area of Science:
- Dental Materials Science
- Polymer Chemistry
Background:
- Compomers are polyacid-modified composite resins combining features of composite resins and glass-ionomer cements.
- They utilize a bifunctional monomer to interact with methacrylate groups and glass-derived cations.
Purpose of the Study:
- To describe the specific characteristics of available compomer products.
- To compare the influence of these specificities on mechanical properties, water uptake, and fluoride release.
Main Methods:
- Analysis of compomer formulations.
- Mechanical property testing.
- Water sorption and fluoride ion release measurements.
Main Results:
- Variations in compomer composition lead to differences in mechanical strength.
- Water uptake and fluoride release rates differ among compomer types.
- Specific compomer formulations exhibit distinct performance profiles.
Conclusions:
- Compomers present a versatile class of dental restorative materials.
- Material-specific properties influence clinical performance and longevity.
- Further research is warranted to optimize compomer formulations for specific dental applications.