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Genetic and Rare Diseases Information Center (GARD)

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Dentinogenesis imperfecta 1


Other Names for this Disease
  • Capdepont teeth
  • Dentinogenesis imperfecta Shields type 2
  • Dentinogenesis imperfecta type 1
  • Dentinogenesis imperfecta without osteogenesis imperfecta
  • Opalescent dentin
More Names
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Overview


Dentinogenesis imperfecta is a disorder of tooth development. This condition causes teeth to be discolored (most often a blue-gray or yellow-brown color) and translucent. Teeth are also weaker than normal, making them prone to rapid wear, breakage, and loss. These problems can affect both primary (baby) teeth and permanent teeth. Dentinogenesis imperfecta is caused by mutations in the DSPP gene. This condition is inherited in an autosomal dominant fashion.[1]

Researchers have described three types of dentinogenesis imperfecta with similar dental abnormalities. Type I occurs in people who have osteogenesis imperfecta, a genetic condition in which bones are brittle and easily broken. Dentinogenesis imperfecta type II and type III usually occur in people without other inherited disorders. A few families with type II have progressive hearing loss in addition to dental abnormalities. Type III was first identified in a population in Brandywine, Maryland. Some researchers believe that dentinogenesis imperfecta type II and type III, along with a similar condition called dentin dysplasia type II, are actually forms of a single disorder.[1]

Last updated: 4/29/2011

References

  1. Dentinogenesis imperfecta. Genetics Home Reference (GHR). November 2009; http://ghr.nlm.nih.gov/condition=dentinogenesisimperfecta. Accessed 4/29/2011.
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Basic Information

  • Genetics Home Reference (GHR) contains information on Dentinogenesis imperfecta 1. This website is maintained by the National Library of Medicine.
  • The National Organization for Rare Disorders (NORD) is a federation of more than 130 nonprofit voluntary health organizations serving people with rare disorders. Click on the link to view information on this topic.

In Depth Information

  • The Online Mendelian Inheritance in Man (OMIM) is an catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine. 
  • Orphanet is a European reference portal for information on rare diseases and orphan drugs.  Access to this database is free of charge.
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Dentinogenesis imperfecta 1. Click on the link to view a sample search on this topic.

Selected Full-Text Journal Articles