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Contemp Clin Dent. 2010 Jul;1(3):136-41. doi: 10.4103/0976-237X.72775.

Hypohyperdontia: Agenesis of three third molars and mandibular centrals associated with midline supernumerary tooth in mandible.

Author information

1
Department of Pedodontics and Preventive Dentistry, Narayana Dental College and Hospital, Chinthareddypalem, Nellore - 524 002, A.P, India.

Abstract

Agenesis of teeth in a patient who also presents with a supernumerary tooth is one of the rare numerical anomalies in human dentition. Agenesis of third molars was shown to be associated with other missing permanent teeth. A review of literature on hypodontia including third molar agenesis, hyperdontia and a concomitant presence of these two conditions which is termed as hypohyperdontia is presented along with a case showing agenesis of three third molars, both mandibular central incisors and a midline supernumerary tooth.

KEYWORDS:

Hypodontia; hypohyperdontia; supernumerary tooth; tooth agenesis

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