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KMID : 1024020230530030229
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Imaging Science in Dentistry
2023 Volume.53 No. 3 p.229 ~ p.238
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Ectopic teeth with disparate migration: A literature review and new case series
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Pallak Arora
Madhu K. Nair
Hui Liang
Paras B. Patel
John M. Wright
Mehrnaz Tahmasbi-Arashlow
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Abstract
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Purpose : Ectopic eruption can be defined as the emergence of a tooth in an abnormal location, where the tooth does not follow its typical eruption pathway. While ectopic eruption within the dentate region is well-documented in the literature, ectopic eruption in non-dentate regions is relatively rare. This study aimed to report 6 cases of ectopic teeth and present a systematic review of the English-language literature on ectopic teeth, emphasizing demographic characteristics, radiographic features, potential complications, and treatment options.
Materials and Methods : A literature search was conducted using the PubMed, Medline, Web of Science, and Cochrane databases. The demographic data and radiographic findings of patients presenting with ectopic teeth were recorded.
Results : The literature review yielded 61 cases of ectopic teeth, with patients ranging in age from 3 to 74 years. The findings from these previously reported cases demonstrated that the most common location for ectopic teeth was the maxillary sinus, which is consistent with this case series. The Pearson chi-square test was performed to evaluate the correlation between age and location of ectopic teeth, and the results were found to be statistically significant (P<0.05). However, no statistically significant relationship was observed between sex and the location of ectopic teeth.
Conclusion : The distinct features of these cases warrant reporting. This study presents the first case of supernumerary teeth in the condyle without any associated pathosis. Another notable characteristic is the pre-eruptive resorption of 2 inverted supernumerary teeth ectopically located in the palate, which predisposes to sinus opacification.
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KEYWORD
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Cone-Beam Computed Tomography, Maxillary Sinus, Mandibular Condyle, Tooth Eruption, Ectopic
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