Micrognathism

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Micrognathism
Classification & external resources
ICD-10 K07.0
ICD-9 524.04
DiseasesDB 22641
MedlinePlus 003306
MeSH D008844

Micrognathism (or Micrognathia) is a condition where the jaw is undersized. It is also sometimes called "Mandibular hypoplasia". It is common in infants, but is usually self-corrected during growth, due to the jaws increasing in size.

It may be a cause of abnormal tooth alignment and in severe cases can cause hamper feeding. Its causes also include Pierre Robin syndrome, Hallerman-Streiff syndrome, Trisomy 13, Trisomy 18, X0 syndrome (Turner syndrome), Progeria, Treacher Collins syndrome, Smith-Lemli-Opitz syndrome, Russell-Silver syndrome, Seckel syndrome, Cri du chat syndrome and Marfan syndrome. It can be detected by dental or skull X-Ray testing.

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  • Medline Plus[1]