Hyperdontia

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Hyperdontia" – news · newspapers · books · scholar · JSTOR (March 2020) (Learn how and when to remove this message)

Hyperdontia
Other names	Supernumerary teeth, Mesiodens
Intraoral photograph showing conical mesiodens
Specialty	Dentistry
Symptoms	supernumerary teeth coming out from the gum or in the mouth
Complications	supernumerary teeth growing into the gum
Types	5 [citation needed]
Causes	Gardner's syndrome Ehlers-Danlos syndrome Cleft palate Cleidocranial dysplasia Genetic disorder
Risk factors	supernumerary teeth causing problems in the dental arch
Differential diagnosis	Hypodontia
Treatment	Dental surgery

Hyperdontia is the condition of having supernumerary teeth, or teeth that appear in addition to the regular number of teeth (32 in the average adult). They can appear in any area of the dental arch and can affect any dental organ. The opposite of hyperdontia is hypodontia, where there is a congenital lack of teeth, which is a condition seen more commonly than hyperdontia.^[1] The scientific definition of hyperdontia is "any tooth or odontogenic structure that is formed from tooth germ in excess of usual number for any given region of the dental arch."^[2] The additional teeth, which may be few or many, can occur on any place in the dental arch. Their arrangement may be symmetrical or non-symmetrical.