Retrognathism

Retrognathism
Retrognathism
Other names	Retrognathism
	A child with Treacher Collins syndrome showing microtia and retrognathism awaiting corrective surgery
Specialty	Medical genetics, dentistry

Retrognathia is a type of malocclusion which refers to an abnormal posterior positioning of the maxilla^[1] or mandible,^[2] particularly the mandible, relative to the facial skeleton and soft tissues.^[3]

A retrognathic mandible is commonly referred to as an overbite, though this terminology is not used medically.

References

^ Chang JZ, Liu PH, Chen YJ, et al. (February 2006). "Thin-plate spline analysis of the effects of face mask treatment in children with maxillary retrognathism". J. Formos. Med. Assoc. 105 (2): 147–54. doi:10.1016/S0929-6646(09)60336-3. PMID 16477335.
^ van Es RJ, Wittebol-Post D, Beemer FA (September 2007). "Oculodentodigital dysplasia with mandibular retrognathism and absence of syndactyly: a case report with a novel mutation in the connexin 43 gene". Int J Oral Maxillofac Surg. 36 (9): 858–60. doi:10.1016/j.ijom.2007.03.004. PMID 17509830.
^ "Retrognathism" at Dorland's Medical Dictionary

External links

Diagram at brooksideorthodontics.com - see Classification of Face:Class 2 section Archived 2016-04-16 at the Wayback Machine

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[pmid16477335-1] Chang JZ, Liu PH, Chen YJ, et al. (February 2006). "Thin-plate spline analysis of the effects of face mask treatment in children with maxillary retrognathism". J. Formos. Med. Assoc. 105 (2): 147–54. doi:10.1016/S0929-6646(09)60336-3. PMID 16477335.

[pmid17509830-2] van Es RJ, Wittebol-Post D, Beemer FA (September 2007). "Oculodentodigital dysplasia with mandibular retrognathism and absence of syndactyly: a case report with a novel mutation in the connexin 43 gene". Int J Oral Maxillofac Surg. 36 (9): 858–60. doi:10.1016/j.ijom.2007.03.004. PMID 17509830.

[3] "Retrognathism" at Dorland's Medical Dictionary

[1]

[2]

[3]

v t e Dental disease involving the jaw
General	Jaw abnormality malocclusion Orthodontics Gnathitis
Size	Micrognathism Maxillary hypoplasia
Maxilla and Mandible	Cherubism Congenital epulis Torus mandibularis Torus palatinus
Other	Jaw and base of cranium Prognathism Retrognathism Dental arch Crossbite Overbite Temporomandibular joint disorder

Retrognathism

Retrognathism

Retrognathism

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