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It is possible that the main title of the report Amelogenesis Imperfecta is not the name you expected.
Amelogenesis imperfecta (AI) refers to a group of rare, inherited disorders characterized by abnormal enamel formation. The term is restricted to those disorders of enamel development not associated with other defects of the body. In AI, the layer of enamel is thin so that the teeth appear to be discolored, showing the color of the materials under the enamel. The teeth usually appear brown or some variant of that color.
Clinical researchers usually classify AI into four main types of which 14 subtypes are recognized. The main types are based on enamel effects and the subtypes are based on clinical appearance and mode of inheritance. The main types are: hypoplastic (Type 1); hypomaturation (Type II); hypocalcified (Type III); and hypomaturation/hypoplasia/taurodontism (Type IV). Amelogenesis imperfecta may be inherited as an X-linked, autosomal dominant, or autosomal recessive genetic trait, depending on the type.
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This is an abstract of a report from the National Organization for Rare Disorders (NORD). A copy of the complete report can be downloaded free from the NORD website for registered users. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational therapies (if available), and references from medical literature. For a full-text version of this topic, go to www.rarediseases.org and click on Rare Disease Database under "Rare Disease Information".
The information provided in this report is not intended for diagnostic purposes. It is provided for informational purposes only. NORD recommends that affected individuals seek the advice or counsel of their own personal physicians.
It is possible that the title of this topic is not the name you selected. Please check the Synonyms listing to find the alternate name(s) and Disorder Subdivision(s) covered by this report
This disease entry is based upon medical information available through the date at the end of the topic. Since NORD's resources are limited, it is not possible to keep every entry in the Rare Disease Database completely current and accurate. Please check with the agencies listed in the Resources section for the most current information about this disorder.
For additional information and assistance about rare disorders, please contact the National Organization for Rare Disorders at P.O. Box 1968, Danbury, CT 06813-1968; phone (203) 744-0100; web site www.rarediseases.org or email firstname.lastname@example.org
Last Updated: 4/19/2008
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