Supernumerary Supernumerary teethteeth

Kayti DavesKayti Daves

OverviewOverview

SupernumerarySupernumerary  teethteeth are extra permanent  are extra permanent teethteeth that may or  that may or may not erupt and can be found anywhere in the mouth. The most may not erupt and can be found anywhere in the mouth. The most common is the mesiodens, a small tooth with a cone-shaped common is the mesiodens, a small tooth with a cone-shaped crown and a short root situated between the maxillary central crown and a short root situated between the maxillary central incisors. Heredity may play a role in the development of incisors. Heredity may play a role in the development of supernumerarysupernumerary  teethteeth, but other factors are thought to contribute , but other factors are thought to contribute as well. as well. SupernumerarySupernumerary  teethteeth can be extracted with no harm to  can be extracted with no harm to the patient. the patient.

EXTRA PERMANENT TEETH.EXTRA PERMANENT TEETH.  SupernumerarySupernumerary  teethteeth are those  are those teethteeth in excess of  in excess of the usual 32 permanent the usual 32 permanent teethteeth. Most frequently, a . Most frequently, a supernumerarysupernumerary tooth erupts  tooth erupts between the two central incisors in the upper jaw. This extra incisor is called a between the two central incisors in the upper jaw. This extra incisor is called a mesiodens (middle tooth). The presence of these extra mesiodens (middle tooth). The presence of these extra teethteeth has been linked to  has been linked to two hereditary conditions, Gardners's syndrome and cleidocranial dysostosis. two hereditary conditions, Gardners's syndrome and cleidocranial dysostosis. Because extra Because extra teethteeth can cause orthodontic problems, dentists generally remove  can cause orthodontic problems, dentists generally remove them.them.

Relevancy to careerRelevancy to career

Its relevant to dental assisting: Its relevant to dental assisting: Because it pertains to our dental Because it pertains to our dental

anatomy.anatomy. It has to do with an abnormal condition It has to do with an abnormal condition

with in the oral cavity. (teeth)with in the oral cavity. (teeth)

Future concerns Future concerns

It can effect a persons occlusion. (bite)It can effect a persons occlusion. (bite) It may determine whether a person would It may determine whether a person would

need orthodontic treatment.need orthodontic treatment. It may also determine whether a person It may also determine whether a person

would need oral surgery. would need oral surgery. If runs in family may show up in future If runs in family may show up in future

generations. generations.

Bib.Bib.

Tooth Development, PermanentTooth Development, Permanent

Author(s):Author(s):LizLiz Swain Swain Source:Source:TheThe Gale Encyclopedia of Nursing and Allied Health Gale Encyclopedia of Nursing and Allied Health. Ed. . Ed.

Jacqueline L. Longe. Vol. 5. 2nd ed. Detroit: Gale, 2006. p2697-2700.Jacqueline L. Longe. Vol. 5. 2nd ed. Detroit: Gale, 2006. p2697-2700.

Dental AnomaliesDental Anomalies

Author(s):Author(s):Cindy F. OvardCindy F. Ovard Source:Source:The Gale Encyclopedia of Nursing and Allied HealthThe Gale Encyclopedia of Nursing and Allied Health. Ed. . Ed.

Jacqueline L. Longe. Vol. 2. 2nd ed. Detroit: Gale, 2006. p743-746.Jacqueline L. Longe. Vol. 2. 2nd ed. Detroit: Gale, 2006. p743-746.