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Concepts of adhesion--a review
U J Yap1, A N Stokes, G J Pearson
1Faculty of Dentistry, National University of Singapore.
The New Zealand Dental Journal
|September 1, 1994
Summary
Restorative dentistry adhesion relies on four mechanisms, including acid-etching and chemical bonding. Current dentine adhesives show limitations, highlighting the need for improved bonding strategies in dental restorations.
Area of Science:
- Restorative Dentistry
- Biomaterials Science
- Dental Adhesion
Background:
- Dental adhesion is crucial for the longevity and success of restorative procedures.
- Numerous adhesive products exist, but understanding their bonding mechanisms is key.
- Current research focuses on improving adhesion, particularly to dentine.
Purpose of the Study:
- To review the fundamental concepts of adhesion in restorative dentistry.
- To outline the primary mechanisms by which dental materials adhere to tooth structure.
- To assess the current state of dentine adhesion and identify existing challenges.
Main Methods:
- Review of existing literature on dental adhesion concepts and techniques.
- Analysis of four primary adhesion mechanisms: acid-etch/resin tags, surface precipitates, inorganic bonding, and organic bonding.
- Evaluation of the efficacy of current dentine adhesives based on scientific evidence.
Main Results:
- Dental adhesion is achieved through one or a combination of four distinct mechanisms.
- The acid-etch technique with resin tags is successful for enamel bonding.
- No current dentine adhesives provide an ideal bond, indicating a significant clinical challenge.
Conclusions:
- Understanding the four adhesion mechanisms is fundamental for restorative dentistry.
- Dentine bonding remains a critical area for research and development in dental adhesives.
- Further innovation is required to achieve ideal and durable adhesion to dentine.