Imaging Science in Dentistry

Korean Academy of Oral and Maxillofacial Radiology (대한영상치의학회)
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Ectopic teeth with disparate migration: A literature review and new case series

  • Pallak Arora (Department of Diagnostic Sciences, Texas A&M University School of Dentistry) ;
  • Madhu K. Nair (Department of Diagnostic Sciences, Texas A&M University School of Dentistry) ;
  • Hui Liang (Department of Diagnostic Sciences, Texas A&M University School of Dentistry) ;
  • Paras B. Patel (Propath- A Sonic Healthcare USA Anatomic Pathology Practice) ;
  • John M. Wright (Department of Diagnostic Sciences, Texas A&M University School of Dentistry) ;
  • Mehrnaz Tahmasbi-Arashlow (Department of Diagnostic Sciences, Texas A&M University School of Dentistry)
  • Received : 2023.02.16
  • Accepted : 2023.05.19
  • Published : 2023.09.30
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Abstract

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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References

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