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Alternative alloys for resin-bonded retainers.
1Veterans Administration Medical Center, San Diego, Calif.
The Journal of Prosthetic Dentistry
|January 1, 1991
Summary
New alloys and bonding techniques significantly improve resin-bonded fixed partial denture strength. These advanced methods offer superior resin-metal bond strengths compared to traditional nickel-chrome-beryllium alloys and conventional cements.
Area of Science:
- Dental Materials Science
- Biomaterials Engineering
Background:
- Traditional resin-bonded fixed partial dentures utilize nickel-chrome-beryllium alloys and conventional resin luting cements.
- These materials present limitations in physical properties and biocompatibility.
- Opportunities exist for enhanced performance through alternative materials and bonding strategies.
Purpose of the Study:
- To evaluate alternative alloys and bonding techniques for resin-bonded retainers.
- To compare the resin-metal bond strengths of novel methods with traditional approaches.
- To identify the most desirable techniques for improved denture performance.
Main Methods:
- Investigated alternative alloys for resin-bonded retainers.
- Employed adhesive resins for bonding etched base metals.
- Utilized silane-coupling agents for bonding silica-coated alloys.
Main Results:
- Alternative alloys demonstrate improved physical and biocompatible properties.
- Achieved resin-metal bond strengths twice that of traditional methods.
- Etched base metals with adhesive resins and silica-coated alloys with silane-coupling agents yielded superior bonds.
Conclusions:
- Alternative alloys offer enhanced physical and biocompatible characteristics for dental prosthetics.
- Advanced bonding techniques significantly increase resin-metal bond strength.
- Etched base metals and silica-coated alloys represent the most desirable methods for durable resin-bonded retainers.