A Review of Supernumerary Teeth in the Premolar Region

Supernumerary teeth in the premolar region, unlike other supernumeraries, occur more often in the mandible where they are generally of the supplemental type. Occasionally, they are conical or smaller than normal, particularly in the upper premolar regions. They might occur singly or in multiples, be...

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Main Authors: Khaled Khalaf, Saaid Al Shehadat, Colin A. Murray
Format: Article
Language:English
Published: Wiley 2018-01-01
Series:International Journal of Dentistry
Online Access:http://dx.doi.org/10.1155/2018/6289047
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author Khaled Khalaf
Saaid Al Shehadat
Colin A. Murray
author_facet Khaled Khalaf
Saaid Al Shehadat
Colin A. Murray
author_sort Khaled Khalaf
collection DOAJ
description Supernumerary teeth in the premolar region, unlike other supernumeraries, occur more often in the mandible where they are generally of the supplemental type. Occasionally, they are conical or smaller than normal, particularly in the upper premolar regions. They might occur singly or in multiples, be erupted or impacted, but the majority have been found to be unerupted and asymptomatic. The prevalence of supernumerary teeth in the premolar region has been demonstrated to be between 0.01 and 1 percent depending on the population studied. Interestingly, populations from the East or Africa are known to be the most affected. Various theories have been suggested to explain the etiology of supernumerary teeth in general including both genetic and environmental factors. Furthermore, it has been suggested that supernumerary premolar teeth belong to a third (postpermanent) series, developing from extensions of the dental lamina. Several consequences can result from the presence of supernumerary premolars, especially in the mandible, such as cyst formation, transposition, and other clinical scenarios.
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institution Kabale University
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spelling doaj-art-00194b00701c4fbfa5e844f4e824db1b2025-02-03T01:25:53ZengWileyInternational Journal of Dentistry1687-87281687-87362018-01-01201810.1155/2018/62890476289047A Review of Supernumerary Teeth in the Premolar RegionKhaled Khalaf0Saaid Al Shehadat1Colin A. Murray2Department of Preventive and Restorative Dentistry, University of Sharjah, PO Box 27272, UAEDepartment of Preventive and Restorative Dentistry, University of Sharjah, PO Box 27272, UAEDepartment of Preventive and Restorative Dentistry, University of Sharjah, PO Box 27272, UAESupernumerary teeth in the premolar region, unlike other supernumeraries, occur more often in the mandible where they are generally of the supplemental type. Occasionally, they are conical or smaller than normal, particularly in the upper premolar regions. They might occur singly or in multiples, be erupted or impacted, but the majority have been found to be unerupted and asymptomatic. The prevalence of supernumerary teeth in the premolar region has been demonstrated to be between 0.01 and 1 percent depending on the population studied. Interestingly, populations from the East or Africa are known to be the most affected. Various theories have been suggested to explain the etiology of supernumerary teeth in general including both genetic and environmental factors. Furthermore, it has been suggested that supernumerary premolar teeth belong to a third (postpermanent) series, developing from extensions of the dental lamina. Several consequences can result from the presence of supernumerary premolars, especially in the mandible, such as cyst formation, transposition, and other clinical scenarios.http://dx.doi.org/10.1155/2018/6289047
spellingShingle Khaled Khalaf
Saaid Al Shehadat
Colin A. Murray
A Review of Supernumerary Teeth in the Premolar Region
International Journal of Dentistry
title A Review of Supernumerary Teeth in the Premolar Region
title_full A Review of Supernumerary Teeth in the Premolar Region
title_fullStr A Review of Supernumerary Teeth in the Premolar Region
title_full_unstemmed A Review of Supernumerary Teeth in the Premolar Region
title_short A Review of Supernumerary Teeth in the Premolar Region
title_sort review of supernumerary teeth in the premolar region
url http://dx.doi.org/10.1155/2018/6289047
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