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Tooth Anatomy

Tooth Anatomy

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...

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Related Experiment Video

Updated: Jul 13, 2025

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

Optimal settings for different tooth types in the virtual bracket removal technique.

Yipeng Wang, Peiqi Wang, Shiyang Ye

The Angle Orthodontist

|October 15, 2023

Summary

This summary is machine-generated.

The virtual bracket removal (VBR) technique

Keywords:

CAD/CAM Orthodontics Retainer VBR

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Last Updated: Jul 13, 2025

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

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Published on: August 5, 2021

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Published on: April 8, 2020

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Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

Published on: December 20, 2024

Area of Science:

Orthodontics
Digital dentistry
Computer-aided design (CAD)

Background:

Accurate reconstruction of buccal tooth surfaces is crucial for virtual bracket removal (VBR).
Different computer-aided design (CAD) software settings may impact reconstruction accuracy.
Optimizing VBR settings is essential for reliable digital treatment planning.

Purpose of the Study:

To identify optimal computer-aided design (CAD) settings for reconstructing buccal tooth surfaces using the virtual bracket removal (VBR) technique.
To evaluate the accuracy of VBR reconstructions across different tooth types and CAD software settings.

Main Methods:

Ten digital dentitions were analyzed using five VBR settings from three CAD systems (OrthoAnalyzer, Meshmixer, Geomagic Studio).
Root mean squares (RMSs) between reconstructed and original surfaces were calculated.
RMS values were compared against a clinically acceptable limit (CAL) of 0.10 mm.

Main Results:

The tangent (G1) setting from Geomagic Studio achieved the highest overall accuracy, with 94.83% of reconstructions below the CAL.
G1 settings resulted in significantly lower mean RMS values for all teeth compared to other settings (P < .001).
Meshmixer (M) and curvature (G2) settings showed good accuracy for incisors and canines in both upper and lower dentitions.

Conclusions:

Optimal VBR settings vary depending on tooth type.
The tangent (G1) setting generally provides the best performance for reconstructing buccal tooth surfaces across various tooth types.
CAD software settings significantly influence the accuracy of virtual bracket removal reconstructions.