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To silanate or not to silanate: making a clinical decision
1Department of Restorative Dentistry, University of Texas Health Science Center at San Antonio San, Antonio, Texas, USA.
Compendium of Continuing Education in Dentistry (Jamesburg, N.J. : 1995)
|February 24, 2001
Summary
Proper silanization is crucial for durable resin composite bonds to porcelain dental restorations. Combining silane treatment with etching provides superior bond strength compared to etching alone, ensuring reliable esthetic restorations.
Area of Science:
- Dental Materials Science
- Adhesive Dentistry
- Biomaterials Engineering
Background:
- Porcelain-bonded restorations are preferred for anterior esthetics.
- Achieving a strong bond between resin composites and porcelain is essential for restoration longevity.
- Current methods involve mechanical etching and chemical silanization.
Purpose of the Study:
- To highlight the importance of silanization in porcelain bonding.
- To discuss methods for achieving durable resin composite bonds to porcelain.
- To review the literature supporting silanization for improved bond strength.
Main Methods:
- Review of existing literature on porcelain bonding techniques.
- Discussion of the mechanisms of micromechanical retention and chemical bonding.
- Comparison of etching with hydrofluoric acid versus silanization.
Main Results:
- The bond strength of resin composite to etched and silanated porcelain surpasses porcelain's cohesive strength.
- Silanization provides a more reliable bond than hydrofluoric acid etching alone.
- The combination of etching and silanization is recommended for optimal results.
Conclusions:
- Proper silanization is critical for durable and reliable resin composite bonds to porcelain.
- Effective bonding ensures the longevity and success of esthetic anterior restorations.
- Further research should focus on optimizing surface treatments for dental ceramics.
