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[Resin-modified glass-ionomers in dentistry]
S Gladys1, B Van Meerbeek, M Braem
1BIOMAT (Conserverende Tandheelkunde en Tandheelkundige Materialen, School voor Tandheelkunde, Mondziekten en Kaakchirurgie), Katholieke Universiteit Leuven, België.
Nederlands Tijdschrift Voor Tandheelkunde
|November 1, 1996
Summary
Resin-modified glass-ionomers offer improved aesthetics and handling over conventional glass-ionomers but have limitations in strength and surface texture. They are best suited for non-stress-bearing dental restorations.
Area of Science:
- Dental Materials Science
- Polymer Chemistry
Context:
- Resin-modified glass-ionomers (RMGIs) combine properties of conventional glass-ionomers and light-cured resins.
- These materials offer advantages such as extended working time, rapid setting, tooth structure adhesion, fluoride release, and enhanced aesthetics compared to traditional glass-ionomers.
Purpose:
- To physically and mechanically characterize resin-modified glass-ionomers.
- To define the clinical possibilities and limitations of RMGIs.
Summary:
- RMGIs exhibit superior strength and aesthetics compared to conventional glass-ionomers but are inferior to composites.
- Clinical performance shows a rougher, duller surface than composites, precluding their use in stress-bearing applications.
- Indications include cervical Class V restorations, pediatric dentistry, geriatric dentistry, and high caries activity patients.
Impact:
- Provides essential data for selecting appropriate dental restorative materials.
- Guides clinical application of RMGIs, optimizing patient outcomes.
- Informs material development for improved dental restorative solutions.