Amelogenesis imperfecta

Amelogenesis imperfecta (AI) presents with a rare abnormal formation of the enamel or external layer of the crown of teeth. Enamel is composed mostly of mineral, that is formed and regulated by the proteins in it. Amelogenesis imperfecta is due to the malfunction of the proteins in the enamel: ameloblastin, enamelin, tuftelin and amelogenin. Peopl...
Found on http://en.wikipedia.org/wiki/Amelogenesis_imperfecta

amelogenesis imperfecta

An autosomal dominant or x-linked disorder in which there is faulty development of the dental enamel owing to agenesis, hypoplasia, or hypocalcification of the enamel. It is marked by enamel that is very thin and friable and frequently stained in various shades of brown. ... (12 Dec 1998) ...
Found on http://www.encyclo.co.uk/local/20973

amelogenesis imperfecta

Type: Term Definitions: 1. a group of hereditary ectodermal disorders in which the enamel is defective in structure or deficient in quantity. Three major groups are recognized: hypoplastic types, with defective enamel matrix deposition but normal mineralization; hypomineralization types, with normal matrix but defective mineralization; and hypomatu...
Found on http://www.medilexicon.com/medicaldictionary.php?t=2733
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