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Related Experiment Video

Updated: Mar 29, 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

Robust tooth surface reconstruction by iterative deformation.

Xiaotong Jiang¹, Ning Dai¹, Xiaosheng Cheng¹

¹College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China.

Computers in Biology and Medicine

|December 7, 2015

Summary

This summary is machine-generated.

A new algorithm reconstructs tooth surfaces for all-ceramic crowns using digital dental CAD systems. This robust method preserves tooth morphology across various teeth types, enhancing dental restoration design.

Keywords:

Iterative constrained deformation Morphological feature retention Morse theory Robust Salient feature point extraction Tooth segment

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Area of Science:

Dental Medicine
Computer-Aided Design (CAD)
Biomedical Engineering

Background:

Digital design technologies are increasingly vital in dental restoration.
All-ceramic crowns are a key restoration type within dental CAD systems.
Accurate tooth surface reconstruction is crucial for effective all-ceramic crown design.

Purpose of the Study:

To present a robust algorithm for tooth surface reconstruction specifically for all-ceramic crown design.
To ensure the algorithm preserves detailed tooth morphology.
To develop a versatile algorithm applicable to various tooth types.

Main Methods:

Standard tooth initial positioning and division.
Salient feature point extraction utilizing Morse theory.
Iterative Laplacian Surface Editing and mesh stitching for standard tooth deformation.

Main Results:

The algorithm successfully retains intricate morphological features of the tooth surface.
Demonstrated robustness and suitability for incisors, canines, premolars, and molars.
Algorithm integration into a Dental CAD system with over 1000 successful clinical case tests.

Conclusions:

The proposed tooth surface reconstruction algorithm is robust and effective for all-ceramic crown design.
The method accurately preserves tooth morphology and is adaptable to diverse tooth types.
Successful clinical validation supports the algorithm's practical application in dental technology.