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AllCeram crowns for single replacement implant abutments
M E Razzoog1, L A Lang, K S McAndrew
1Department of Prosthodontics, School of Dentistry, University of Michigan, Ann Arbor, USA.
The Journal of Prosthetic Dentistry
|December 17, 1997
Summary
Dental clinicians may find the porcelain thickness on ceramic caps concerning. A modified manufacturing process using CAD/CAM technology creates custom ceramic copings, addressing concerns about weak, unsupported veneer porcelain in dental restorations.
Area of Science:
- Biomaterials Science
- Dental Implantology
- Prosthodontics
Background:
- Traditional porcelain fused to metal restorations are familiar to clinicians.
- Pre-manufactured ceramic caps for single-tooth restorations may require excessive veneering porcelain.
- This can lead to weak, unsupported veneer porcelain, posing a risk of fracture.
Purpose of the Study:
- To address the issue of weak, unsupported veneer porcelain in ceramic restorations.
- To present a modified manufacturing process for improved ceramic cap substructures.
- To explore the use of CAD/CAM technology for custom coping creation.
Main Methods:
- Modification of an existing manufacturing process for ceramic caps.
- Utilization of Computer-Aided Design/Computer-Aided Manufacturing (CAD/CAM) technology.
- Creation of custom-designed Procera AllCeram copings for implant abutments.
Main Results:
- The modified process and CAD/CAM technology allow for custom-designed copings.
- This approach eliminates concerns regarding the design and potential weakness of the underlying ceramic cap substructure.
- Ensures adequate support for veneering porcelain, improving restoration integrity.
Conclusions:
- CAD/CAM technology offers a viable solution for creating robust ceramic cap substructures.
- Custom-designed Procera AllCeram copings enhance the reliability of single-tooth implant restorations.
- This modification addresses clinical concerns about porcelain thickness and potential weakness in ceramic restorations.