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Teeth

Teeth

The formation of teeth, also known as odontogenesis, is a complex process that begins in utero, around the sixth week of embryonic development. There are three stages to this process: the bud stage, the cap stage, and the bell stage.
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin...

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Related Experiment Video

Updated: May 21, 2025

Studying Orthodontic Tooth Movement in Mice

Studying Orthodontic Tooth Movement in Mice

Published on: August 2, 2024

A Potential Field Method for Tooth Motion Planning in Orthodontic Treatment.

Yumeng Liu, Yuexin Ma, Lei Yang

IEEE Transactions on Visualization and Computer Graphics

|May 19, 2025

Summary

This summary is machine-generated.

This study presents an automated method for planning clear aligner tooth movement, ensuring no collisions or gaps. The system generates precise motion paths in under five minutes, significantly reducing treatment planning time for dentists.

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Last Updated: May 21, 2025

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3D Imaging of PDL Collagen Fibers during Orthodontic Tooth Movement in Mandibular Murine Model

3D Imaging of PDL Collagen Fibers during Orthodontic Tooth Movement in Mandibular Murine Model

Published on: April 15, 2021

Area of Science:

Biomedical Engineering
Orthodontics
Computational Mechanics

Background:

Invisible orthodontics, or clear aligner treatment, is a popular alternative to traditional braces.
Effective clear aligner treatment relies on precise planning of teeth movement.
Current manual planning methods are time-consuming and labor-intensive.

Purpose of the Study:

To develop an automated method for generating collision-free teeth motion planning for clear aligners.
To create an interactive system for dentists to visualize and edit planned teeth movements.
To significantly reduce the time required for orthodontic treatment planning.

Main Methods:

Formulating teeth motion planning as a constrained optimization problem.
Utilizing the interior point method for solving the optimization problem.
Developing an interactive system for visualization and editing of motion paths.

Main Results:

Successfully generated collision-free teeth motion paths avoiding gaps between adjacent teeth.
The automated method creates full-set teeth motion paths in under five minutes.
User studies confirmed the effectiveness and efficiency of the developed method.

Conclusions:

The automated method streamlines the clear aligner planning process.
This technology has the potential to significantly improve efficiency in orthodontic procedures.
The system provides a valuable tool for dentists in delivering invisible orthodontic treatments.