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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.
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Related Experiment Video

Updated: Jul 17, 2026

Midface Hypoplasia and Cranial Base Morphology in Syndromic Craniosynostosis: A Comparative Analysis Study Using a Predictive Regression Model

Midface Hypoplasia and Cranial Base Morphology in Syndromic Craniosynostosis: A Comparative Analysis Study Using a Predictive Regression Model

Published on: November 4, 2025

Tooth size and morphology in hemifacial microsomia.

M Farias¹, K Vargervik

¹Center for Craniofacial Anomalies, University of California, San Francisco, California 94143-0640, USA.

International Journal of Paediatric Dentistry

|February 14, 2007

Summary

Hemifacial microsomia (HFM) affects tooth size and morphology. Patients with HFM exhibit smaller teeth on the affected side, with severity correlating to tooth size asymmetry.

Area of Science:

Craniofacial biology
Dental morphology
Genetics

Background:

Hemifacial microsomia (HFM) is a congenital condition affecting facial development.
Understanding its impact on dental structures is crucial for treatment planning.

Purpose of the Study:

To investigate the effects of HFM on tooth size and morphology.
To correlate the severity of HFM with dental anomalies.

Main Methods:

Mesiodistal tooth diameter was measured in 40 HFM patients using a vernier gauge.
Measurements from affected sides were compared to contralateral sides.

Main Results:

Teeth on the affected side of HFM patients were significantly smaller.
Greater HFM severity correlated with increased tooth size asymmetry.

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Tooth morphology was also notably altered in HFM individuals.

Conclusions:

HFM demonstrably impacts both tooth size and morphology.
Dental asymmetry in HFM is linked to the condition's severity.