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出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2013/05/29 08:14:43」(JST)
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Macrognathia refers to the condition of abnormally large jaws. It is also called 'megagnathia'.
Contents
- 1 Etiology
- 2 Clinical appearance
- 3 Treatment
- 4 References
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Etiology [edit]
- Heredity
- Pituitary gigantism
- Paget's disease of bone (osteitis deformans)
- Acromegaly
- Leontiasis ossea
Clinical appearance [edit]
- Mandibular protrusion (when mandible is affected)
- "Gummy smile" (when maxilla is affected)
- Ramus of mandible forms a less steep angle with body of mandible
- Mandibular prognathism caused by excessive condylar growth
- Chin appears prominent
Treatment [edit]
Treatment is surgical. Osteotomies may be done in case of maxillary macrognathia. Mandibular macrognathia is generally managed by resection of a portion of the mandible followed by orthodontic treatment.
References [edit]
UpToDate Contents
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English Journal
- The spectrum of orofacial manifestations in renal osteodystrophy: diagnostic challenges of an uncommon presentation.
- Fatahzadeh M.SourceDivisionn of Oral Medicine, Department of Diagnostic Sciences, UMDNJ-New Jersey Dental School, Newark, NJ 07103, USA. fatahza@umdnj.edu
- Quintessence international (Berlin, Germany : 1985).Quintessence Int.2011 Jul-Aug;42(7):e78-88.
- Renal osteodystrophy refers to a spectrum of bone diseases caused by pathologic alterations in the metabolism of calcium, phosphate, and bone in the context of end-stage renal disease and secondary hyperparathyroidism. Radiographic alterations affecting the jaw and facial skeleton are common and amo
- PMID 21716979
- Different skeletal types underlying Class III malocclusion in a random population.
- Staudt CB, Kiliaridis S.SourceDivision of Orthodontics, Section of Dental Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland. christine.staudt@unige.ch
- American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics.Am J Orthod Dentofacial Orthop.2009 Nov;136(5):715-21.
- INTRODUCTION: We aimed to investigate the skeletal morphology underlying Class III malocclusion in a random population of young white men.METHODS: We randomly selected 3358 Swiss Army recruits and examined them clinically. Of 77 (2.3%) with Class III malocclusion, 57 agreed to have lateral cephalogr
- PMID 19892290
Japanese Journal
- Macrognathia of renal osteodystrophy in dialysis patients
Related Links
- macrognathia [mak″ro-nath´e-ah] abnormal overgrowth of the jaw. adj., adj macrognath´ic. mac·ro·gna·thi·a (mak'rōg-nā'thē-ă), In the diphthong gn, the g is silent only at the beginning of a word. Enlargement or elongation of the jaw. ...
- macrognathia mac·ro·gna·thi·a (māk'rō-nā'thē-ə, māk'rŏg-) n. Enlargement or elongation of the jaw.
Related Pictures
★リンクテーブル★
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- 英
- macrognathia
- 関
- 大上顎症
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- 英
- macrognathia
- 関
- 巨顎症