diastema

anatomy

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Last updated

June 25, 2026

Quick Summary

A diastema is a space between teeth in a jaw. The term originates from the Greek word diastēma, meaning interval. This anatomical feature is a natural occurrence and can be found in various animals, including humans. The presence and size of a diastema can vary significantly among individuals.1

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mammal
Teeth
…development of a gap (diastema) in the tooth row, and exhibit some molarization (expansion and flattening) of premolars to expand the grinding surface of the cheek teeth. Rootless incisors or cheek teeth have evolved frequently, their open pulp cavity allowing continual growth throughout life. Herbivorous specializations have evolved independently…
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…development of a gap (diastema) in the tooth row, and exhibit some molarization (expansion and flattening) of premolars to expand the grinding surface of the cheek teeth. Rootless incisors or cheek teeth have evolved frequently, their open pulp cavity allowing continual growth throughout life. Herbivorous specializations have evolved independently…
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Cynognathus
…canines by a gap, or diastema, was a series of cheek teeth that sliced the animal’s food into smaller, more easily swallowed particles. A well-developed secondary palate separated food passages from breathing passages. The vertebral column was well differentiated.
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…canines by a gap, or diastema, was a series of cheek teeth that sliced the animal’s food into smaller, more easily swallowed particles. A well-developed secondary palate separated food passages from breathing passages. The vertebral column was well differentiated.
Read More