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Personalized Orthodontic Accurate Tooth Arrangement System with Complete Teeth Model
Cheng Cheng1, Xiaosheng Cheng, Ning Dai
1College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Mailbox 357, 29 Yudao Street, Qinhuai Dist, Nanjing, 210016, People's Republic of China, baojia117@126.com.
Journal of Medical Systems
|July 26, 2015
Summary
This study introduces a virtual tooth arrangement system using 3D dental and skull data for accurate teeth positioning. The system effectively handles complex cases, improving the relationship between dental roots and the jaw.
Area of Science:
- Biomedical Engineering
- Dental Technology
- Orthodontics
Background:
- Current tooth arrangement technology faces challenges with accuracy, validity, and understanding the dental root-jaw relationship.
- A comprehensive approach integrating dental root and skull data is needed for improved virtual tooth arrangement.
Purpose of the Study:
- To develop and describe a novel virtual, personalized, and accurate tooth arrangement system.
- To leverage complete dental root and skull information for enhanced treatment planning.
Main Methods:
- Established a feature constraint database for 3D teeth models.
- Defined anatomical reference planes and lines for computed simulation of tooth movement.
- Utilized mathematical models for teeth patterns and rigid body transformations, considering root-alveolar bone positioning.
Main Results:
- The virtual system successfully arranged abnormal teeth with high flexibility.
- Demonstrated a favorable positional relationship between dental roots and the jaw.
- Achieved high-speed processing and quantitative evaluation of individual tooth 3D movement.
Conclusions:
- The developed virtual tooth arrangement system offers a personalized and accurate solution for complex dental cases.
- The system enhances the understanding and optimization of the dental root-jaw relationship.
- It provides efficient, quantitative 3D movement analysis for individual teeth.

