Related Experiment Videos
Computer-assisted milling of dental restorations using a new CAD/CAM data acquisition system
J Willer1, A Rossbach, H P Weber
1Center of Dental Medicine, University of Hannover, Germany.
The Journal of Prosthetic Dentistry
|October 7, 1998
Summary
A new computer-aided design and computer-aided manufacturing (CAD/CAM) process enables precise fabrication of dental restorations. This advanced imaging technology ensures accurate reproduction of tooth surfaces for various restorative applications.
Area of Science:
- Restorative Dentistry
- Dental Technology
- Biomaterials Engineering
Background:
- Recent advancements in technology have opened new avenues for restorative dentistry.
- Computer-aided design and computer-aided manufacturing (CAD/CAM) represent significant innovations in the field.
Purpose of the Study:
- To introduce a novel CAD/CAM process specifically developed for fabricating dental restorations.
- To highlight the application of an advanced imaging technique in dental restorative procedures.
Main Methods:
- The process utilizes an improved imaging technique involving 2-dimensional line grids projected onto the object.
- This method allows for mathematical reproduction of prepared and unprepared tooth surfaces, even those not in direct line of sight.
- Automatic control of the sensor's position relative to the object ensures consistent data acquisition.
Main Results:
- The system facilitates the generation of highly accurate dental restorations, including inlays, onlays, crowns, and fixed partial dentures.
- A variety of materials can be utilized for the fabrication of these restorations.
- Digitized data points are directly transferred to the milling machine for manufacturing.
Conclusions:
- The CAD/CAM system is currently undergoing clinical testing.
- It offers versatile manufacturing capabilities, including copy milling and precise replication of occlusal surfaces.
- The technology promises to enhance the accuracy and efficiency of dental restoration fabrication.