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dentistry Dentistry, also known as dental medicine and oral medicine, is the branch of medicine focused on the teeth, gums, and mouth. It consists of the study, diagnosis, prevention, management, and treatment of diseases, disorders, and conditions of ...
, embrasures are V-shaped valleys between adjacent
teeth A tooth ( : teeth) is a hard, calcified structure found in the jaws (or mouths) of many vertebrates and used to break down food. Some animals, particularly carnivores and omnivores, also use teeth to help with capturing or wounding prey, ...
. They provide a spill way for food to escape during
chewing Chewing or mastication is the process by which food is crushed and ground by teeth. It is the first step of digestion, and it increases the surface area of foods to allow a more efficient break down by enzymes. During the mastication process, th ...
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

* Angularis Nigra ("black triangle")


References

* Dental anatomy {{Dentistry-stub