Mandibular torusK10.8
Synonym(s)
Exostosis mandibular; Mandibular exostosis
HistoryThis section has been translated automatically.
Parmentier, 1857
DefinitionThis section has been translated automatically.
Hereditary (autosomal-dominantly inherited?) unilateral or bilateral, solitary or multiple, narrow- or broad-based exostosis existing at the lingual surface of the alveolar process.
Occurrence/EpidemiologyThis section has been translated automatically.
About 7-8% (6-13.5%, depending on the source) of the population in Germany are affected. More common among members of the Asian population.
ManifestationThis section has been translated automatically.
Men are more frequently affected than women. First manifestation most frequently between the ages of 11-30.
Clinical featuresThis section has been translated automatically.
Hard, painless bone ridge located directly above the insertion line of the myelohyoid muscle at the level of the premolars, covered by normal mucosa. The mucosa appears brighter than the surrounding tissue.
HistologyThis section has been translated automatically.
Compact bone with strong cortical bone and central cancellous bone.
Differential diagnosisThis section has been translated automatically.
Jaw hyperostoses; calcifying gingival fibromas; osteo- or chondrosarcoma. Osteomas or osteofibrosis in the context of a Gardner syndrome are associated with multiple skin tumors.
TherapyThis section has been translated automatically.
Generally not necessary. Possibly removal by oral surgeons.
Progression/forecastThis section has been translated automatically.
Benign.
Note(s)This section has been translated automatically.
The anomaly is harmless and is hardly noticed by the wearer. Exostoses often only become noticeable when a prosthesis traumatizes the covering mucosa. Exostoses can also develop in the midline of the hard palate (torus palatinus).
LiteratureThis section has been translated automatically.
- Chohayeb AA, Volpe AR (2001) Occurrence of torus palatinus and mandibularis among women of different ethnic groups. On J Dent 14: 278-280
- Parmentier (1857) Essay on tumors in the palatine region. On J Dent Sc 7 (new series): 324-339, 456-465, 545-561
- Mumcu G et al (2005) Prevalence and distribution of oral lesions: a cross-sectional study in Turkey. Oral Dis 11: 81-87
- Piera-Navarro N (2002) Clinical evaluation of hard tissue proliferations in the mouth. Med Oral 7: 97-102
- Saffran AJ, Clark RF (2004) Torus mandibularis: an unusual cause of obstructive sleep apnea. Ear Nose Throat J 83: 324