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Hypodontia is defined as the developmental absence of one or more teeth excluding the third molars. It is one of the most common dental anomalies, and can have a negative impact on function, and also appearance.
Hypodontia is the lack of development of one or more teeth. Oligodontia may be used to describe the absence of 6 or more teeth. Some systemic disorders which may result in hyperdontia include Apert syndrome , cleidocranial dysostosis , Crouzon syndrome , Ehlers–Danlos syndrome , Gardner's syndrome , and Sturge–Weber syndrome . [ 71 ]
Dermoid cysts, hypothyroidism, cleft palate and hypodontia Zadik–Barak–Levin syndrome (ZBLS) is a congenital disorder in humans. Presenting conditions include primary hypothyroidism , cleft palate , hypodontia , and ectodermal dysplasia .
Axenfeld–Rieger syndrome is a rare autosomal dominant [2] disorder, which affects the development of the teeth, eyes, and abdominal region. [3]Axenfeld–Rieger syndrome is part of the so-called iridocorneal or anterior segment dysgenesis syndromes, [4] which were formerly known as anterior segment cleavage syndromes, anterior chamber segmentation syndromes or mesodermal dysgenesis.
Localized microdontia is far more common than generalized microdontia, [2] and is often associated with hypodontia (reduced number of teeth). [1] The most commonly involved tooth in localized microdontia is the maxillary lateral incisor, which may also be shaped like an inverted cone (a "peg lateral"). [ 3 ]
Tooth and nail syndrome (also known as "Hypodontia with nail dysgenesis," [1] and "Witkop syndrome" [1]) is a rare disorder, first described in 1965, characterized by nails that are thin, small, and friable, and which may show koilonychia at birth.
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The Albanian Wikipedia (Albanian: Wikipedia Shqip) is the Albanian language edition of Wikipedia started on 12 October 2003. As of 15 January 2025, the Wikipedia has 101,316 articles and is the 73rd-largest Wikipedia.