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[Methodology of computer-aided design of automatic artificial tooth selection for complete denture]
Yu-guang Wang1, Pei-jun Lv, Yong Wang
1Center of Computerized Dentistry, Peking University School and Hospital of Stomatology, Beijing 100081, China.
Summary
An automated system for complete denture tooth selection in CAD demonstrates 70% concordance with traditional methods. This digital approach accurately calculates tooth arrangement curves, streamlining the complete denture design process.
Area of Science:
- Biomaterials and Dental Prosthetics
- Computer-Aided Design (CAD)
- Digital Dentistry
Background:
- Traditional complete denture tooth selection relies on manual methods, which can be time-consuming and subjective.
- Advancements in CAD technology offer potential for automating and improving the accuracy of denture fabrication processes.
Purpose of the Study:
- To develop and evaluate an automated tooth selection method for computer-aided design (CAD) in complete denture fabrication.
- To compare the results of automated tooth selection with the traditional manual method.
Main Methods:
- Acquired 3D data of occlusal rims using a 3D laser scanner.
- Developed automated tooth selection software using MATLAB, considering factors like face form and tooth diameter.
- Compared software-selected teeth with technician-selected teeth in 20 patient cases.
Main Results:
- The automated tooth selection method achieved a 70% concordance rate with the traditional manual method across 20 cases.
- The software accurately calculated the relationship between artificial tooth arrangement and the cuspid line.
Conclusions:
- The automated tooth selection method for CAD complete dentures is feasible and aligns with traditional selection principles.
- The software-generated tooth selections are directly applicable to CAD complete denture tooth arrangement, enhancing efficiency.
