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The dentine-bonded ceramic crown: an ideal restoration?
F J Burke1, A J Qualtrough, R W Hale
1Restorative Dentistry, University Dental Hospital of Manchester.
British Dental Journal
|July 22, 1995
Summary
Dentine-bonded all-ceramic crowns offer aesthetic benefits and conservative preparation options. However, their long-term durability remains uncertain due to a lack of extensive clinical data.
Area of Science:
- Restorative Dentistry
- Dental Materials Science
Background:
- Porcelain veneer bonding principles can extend to full-coverage restorations.
- Resin-based luting materials are employed for these ceramic crowns.
Purpose of the Study:
- To explore the application of dentine bonding agents in all-ceramic crowns.
- To evaluate the characteristics and indications for dentine-bonded restorations.
Main Methods:
- Application of dentine bonding agents to exposed dentine prior to crown placement.
- Utilizing resin-based luting materials for full-coverage ceramic restorations.
Main Results:
- Dentine-bonded all-ceramic crowns exhibit favorable aesthetics and gingival blend.
- Potential for conservative preparations, minimizing pulpal damage risk.
- Indications include crown replacement, minimal preparation needs, and tooth surface loss.
Conclusions:
- Dentine-bonded all-ceramic crowns present promising aesthetic and conservative advantages.
- Contraindications involve subgingival margins, occlusal issues, and insufficient tooth structure.
- Long-term clinical data is needed to ascertain the longevity of these restorations.