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Related Concept Videos

Tooth Anatomy01:21

Tooth Anatomy

583
The human tooth enables us to eat a variety of foods, speak clearly, and even aid in shaping our faces. Teeth are composed of various elements that work together. Here's a detailed look at the anatomy of a human tooth.
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or...
583
Teeth01:15

Teeth

515
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...
515

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Related Experiment Video

Updated: Jul 29, 2025

Digital Hybrid Model Preparation for Virtual Planning of Reconstructive Dentoalveolar Surgical Procedures
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Automatic 3D Teeth Reconstruction From Five Intra-Oral Photos Using Parametric Teeth Model.

Yizhou Chen, Shuojie Gao, Puxun Tu

    IEEE Transactions on Visualization and Computer Graphics
    |May 19, 2023
    PubMed
    Summary

    This study introduces an improved 3D teeth reconstruction framework using five photos for remote orthodontic monitoring. It accurately visualizes teeth shape and alignment, aiding virtual consultations.

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    Area of Science:

    • Biomedical Engineering
    • Computer Vision
    • Dental Technology

    Background:

    • Orthodontic treatment necessitates frequent in-person monitoring, posing challenges for remote patient care.
    • Virtual consultations require accurate visualization of dental conditions, including teeth shape, arrangement, and occlusion.

    Purpose of the Study:

    • To develop an improved 3D teeth reconstruction framework for remote orthodontic consultations.
    • To automatically restore the 3D geometry of teeth from limited intra-oral photographs.

    Main Methods:

    • Utilized a parametric model incorporating statistical shape modeling for teeth description.
    • Employed a modified U-net architecture for precise teeth contour extraction from intra-oral images.
    • Implemented an iterative optimization process to fit the parametric model to extracted contours.

    Main Results:

    • Achieved an average Chamfer distance of 1.0121 mm² and a Dice similarity coefficient of 0.7672 across 95 orthodontic cases.
    • Demonstrated significant improvements in 3D teeth reconstruction accuracy compared to previous methods.
    • Validated the framework through five-fold cross-validation.

    Conclusions:

    • The proposed 3D teeth reconstruction framework offers a feasible solution for remote orthodontic consultations.
    • Enables orthodontists to visualize patient dental conditions effectively during virtual appointments.
    • Advances the application of computer vision in remote dental monitoring and treatment planning.