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Supernumerary teeth amongst Iranian orthodontic patients : a retrospective radiographic and clinical survey
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Vahid-Dastjerdi, Elaheh, Borzabadi-Farahani, Ali, Mahdian, Mina and Amini, Nazila (2011) Supernumerary teeth amongst Iranian orthodontic patients : a retrospective radiographic and clinical survey. Acta Odontologica Scandinavica, Volume 69 (Number 2). pp. 125-128. doi:10.3109/00016357.2010.539979 ISSN 0001-6357.
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Official URL: http://dx.doi.org/10.3109/00016357.2010.539979
Abstract
Objective: To investigate the prevalence, characteristics (malocclusion, location, type) and gender distribution of supernumerary teeth (ST) in an Iranian orthodontic population. Material and methods: A retrospective study was carried out using radiographs (periapicals, panoramic) and study models of 1751 subjects (870 girls, 881 boys; age range 9–27 years). The Pearson chi-square test was used to determine differences in the distribution of ST when stratified by gender and malocclusion type. Results: Fourteen ST were found in 13 patients (six males, seven females), giving a prevalence rate of 0.74%. The prevalence rate of ST was higher in Class III malocclusions (5.2%) and was a rare finding among Class II malocclusions (0.1%). The occurrence rate of ST was higher in maxilla (78.5%) than in mandible (21.5%). The most common type of ST was the conical form (43%). We did not observe any late-developing paramolar or distomolar ST. Conclusion: The prevalence rate of ST in our study was 0.74% and ST were more common among Class III malocclusions.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School | ||||
Journal or Publication Title: | Acta Odontologica Scandinavica | ||||
Publisher: | Informa Healthcare | ||||
ISSN: | 0001-6357 | ||||
Official Date: | March 2011 | ||||
Dates: |
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Volume: | Volume 69 | ||||
Number: | Number 2 | ||||
Page Range: | pp. 125-128 | ||||
DOI: | 10.3109/00016357.2010.539979 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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