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Tooth Anatomy

Tooth Anatomy

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Updated: Mar 24, 2026

Digital Hybrid Model Preparation for Virtual Planning of Reconstructive Dentoalveolar Surgical Procedures

Digital Hybrid Model Preparation for Virtual Planning of Reconstructive Dentoalveolar Surgical Procedures

Published on: August 5, 2021

Digital modeling technology for full dental crown tooth preparation.

Ning Dai¹, Yicheng Zhong¹, Hao Liu¹

¹College of Mechanical & Electrical Engineering, Nanjing University of Aeronautics & Astronautics, 210016 Nanjing, PR China.

Computers in Biology and Medicine

|March 7, 2016

Summary

Digital modeling offers a new approach to full dental crown preparation, improving accuracy and speed. This technology helps dentists create precise restorations, enhancing the success of prosthodontic treatments.

Keywords:

Convergence angle Digital modeling for tooth preparation Implicit surface Margin line Parametric constraints

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Area of Science:

Biomaterials
Dental Technology
Computer-Aided Design

Background:

Dental defects frequently necessitate full crown restorations.
Manual tooth preparation for crowns is a complex visual-manual task requiring high precision within a limited time.
The accuracy of tooth preparation significantly impacts the success of prosthodontic treatment.

Purpose of the Study:

To investigate the application of digital modeling technology for full dental crown tooth preparation.
To develop a digital design tool for precise and efficient tooth preparation.

Main Methods:

Semi-automatic interactive design of the margin line.
Automatic computation of the insertion direction.
Parametric modeling for shoulder and axial surfaces.
Radial basis function for occlusal surface construction.

Main Results:

The digital modeling method accurately and rapidly creates personalized designs for parameters like shoulder width and convergence angle.
Experimental results validated the effectiveness of the proposed digital approach.
The study provides a digital tool for full crown preparation.

Conclusions:

Digital modeling technology offers a viable solution for precise full dental crown preparation.
This approach enhances efficiency and accuracy in creating patient-specific dental restorations.
The developed digital design tool supports improved prosthodontic treatment outcomes.