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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 grinding food.

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Related Experiment Video

Updated: May 11, 2026

Measuring the Complete-arch Distortion of an Optical Dental Impression

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Published on: May 30, 2019

3D-printed tooth for caries excavation.

Lisanne Carnier¹, Michael Del Hougne¹, Marc Schmitter¹

¹Department of Prosthodontics, University of Würzburg, Pleicherwall 2, 97070, Würzburg, Germany.

BMC Medical Education

|November 1, 2024

Summary

This summary is machine-generated.

New 3D-printed model teeth offer a realistic training solution for dental students, significantly improving caries excavation and pulp capping skills compared to traditional methods. These advanced dental models are highly recommended for enhanced dental education.

Keywords:

Clinical Skills Dental Caries Dental Pulp Capping Educational Technology Patient Simulation Printing Prosthodontic Root Canal Therapy Three-dimensional Tooth Preparation

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Published on: December 20, 2024

Area of Science:

Biomaterials Engineering
Dental Education Technology
3D Printing Applications

Background:

Lack of a universally suitable model tooth for restorative and prosthodontic procedures.
Development of a realistic, multilayered 3D-printed tooth model with integrated caries, pulp, and imaging capabilities.
Addressing the need for advanced training tools in dentistry.

Purpose of the Study:

To evaluate the efficacy of a novel 3D-printed model tooth for dental training.
To assess its suitability for caries excavation and pulp capping procedures.
To compare its performance against traditional typodonts and extracted teeth.

Main Methods:

Designing and 3D printing a multilayered tooth model based on micro-CT data.
Testing 396 3D-printed teeth with 66 dental students experienced in caries excavation.
Students performed caries excavation and pulp capping on the model teeth and provided feedback via questionnaires.

Main Results:

3D-printed teeth received significantly higher ratings than traditional typodonts across all evaluated criteria (p < .001).
Students rated the models as suitable for training (mean Ø 2.3 ± 0.9), with fair examination conditions (Ø 2.1 ± 0.8) and ease of use (Ø 2.0 ± 0.8).
Subjective learning success was significantly greater with 3D-printed teeth compared to typodonts (p < .001), with a strong desire for more training using these models.

Conclusions:

Multilayered 3D-printed teeth represent a successful advancement in dental training models.
These models can significantly enhance and expand teaching methodologies for caries excavation and pulp capping.
Further studies will explore the full capabilities of these advanced 3D-printed dental models.