Micrognathism

Micrognathism 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 hamper feeding.[2] It can also, both in adults and children, make intubation difficult, either during anesthesia or in emergency situations.

Micrognathism
Other namesMicrognathia, strawberry chin, hypognathia[1] hypognathism
Girl with Wolf–Hirschhorn syndrome
SpecialtyMedical genetics

Causes

Severe micrognathia in a 23-year-old
Micrognathia in Pitt-Rogers-Danks Syndrome (PRDS)

While not always pathological, it can present as a birth defect in multiple syndromes including:

Diagnosis

It can be detected by the naked eye as well as dental or skull X-Ray testing.

Treatments

Micrognathia can be treated by surgery and modified eating methods. Early detection of the problem and monitoring as the problems grows can help understand it better and find the most effective treatment procedure.

See also

References

  1. Martínez-Frías, ML; Martín, M; Pardo, M; Torres, M; Cohen MM, Jr (1993). "Holoprosencephaly and hypognathia with two proboscides: report of a case and review of unusual proboscides". Journal of Craniofacial Genetics and Developmental Biology. 14 (4): 231–4. PMID 7883869.
  2. Hong, Paul; Brake, Maria K.; Cavanagh, Jonathan P.; Bezuhly, Michael; Magit, Anthony E. (2012). "Feeding and mandibular distraction osteogenesis in children with Pierre Robin sequence: A case series of functional outcomes". International Journal of Pediatric Otorhinolaryngology. 76 (3): 414–418. doi:10.1016/j.ijporl.2011.12.023. ISSN 0165-5876. PMID 22245167.
  3. Rajendran A; Sundaram S (10 February 2014). Shafer's Textbook of Oral Pathology (7th ed.). Elsevier Health Sciences APAC. pp. 12–13. ISBN 978-81-312-3800-4.
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