Embrasure (dentistry)

V-shaped valleys between adjacent teeth

Diagram showing embrasure (red triangle) between maxillary right second bicuspid and maxillary right first molar. Right lateral view.

In dentistry, embrasures are V-shaped valleys between adjacent teeth. They provide a spill way for food to escape during chewing[1] which essentially aids in the self-cleansing process. They also prevent food from being forced through the contact area which might cause food packing and periodontal pain and permit a slight amount of stimulation to the gingiva.

When two teeth in the same arch are in contact, their curvatures adjacent to the contact areas form spillway spaces which are known as embrasures.

## See also

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* Angularis nigra ("black triangle")

## References

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1. ^ "TheFreeDictionary". 2014 Farlex, Inc. Retrieved 13 April 2014.

* Nelson, Stanley J.; Major M. Ash, Jr. (2010). Wheeler's Dental Anatomy, Physiology, and Occlusion (9th ed.). St. Louis, MO: Saunders. ISBN 978-1-4160-6209-7. OCLC 723253410.

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