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Dental CAD/CAM technologies: the optical impression (II).
1c/o Sirona Dental Systems GmbH Fabrikstrasse 31 64625 Bensheim, Germany. Joachim.Pfeiffer@sirona.de
International Journal of Computerized Dentistry
|May 16, 2001
Summary
Optical impressions, used in dental CAD/CAM systems like Cerec, are effective for single-tooth restorations. Future advancements may enable multi-tooth fabrication, but significant component improvements are needed.
Area of Science:
- Dentistry
- Biomaterials
- Computer-Aided Design/Manufacturing (CAD/CAM)
Background:
- Optical impression techniques are integral to modern dental CAD/CAM systems.
- The Cerec system exemplifies the application of optical impressions in fabricating dental restorations.
Purpose of the Study:
- To explain the principles and characteristics of optical impression technology in dentistry.
- To discuss the limitations and future development perspectives of optical impression techniques for dental CAD/CAM.
Main Methods:
- Review of optical measurement principles relevant to dental CAD/CAM.
- Analysis of the Cerec dental CAD/CAM system's capabilities and limitations.
Main Results:
- Optical measurement methods meet the fundamental requirements for direct CAD/CAM fabrication of single-tooth restorations.
- Current systems, like Cerec 2, have limitations that necessitate significant future improvements.
Conclusions:
- Optical impression technology is viable for individual tooth restorations.
- Future developments require enhanced basic components for improved accuracy, ease of use, and multi-tooth fabrication, such as for fixed partial dentures.