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A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth
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Cone Beam Computed Tomography Application in Finding Ectopic Tooth: A Systemic Analysis and a Case Report.

Vo Truong Nhu Ngoc1, Le Quynh Anh1, Nguyen Minh Duc1,2

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|March 28, 2020
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Summary

Cone beam computed tomography (CBCT) imaging, common in orthodontics, can reveal rare ectopic teeth in the maxillary sinus. Dentists must carefully examine non-dental structures in CBCT scans for accurate diagnosis.

Keywords:
CBCTCase reportEctopic toothMaxillary sinusOrthodontics

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Area of Science:

  • Dentistry
  • Radiology
  • Oral Surgery

Background:

  • Cone beam computed tomography (CBCT) offers lower radiation doses than CT scans and is widely used in dentistry.
  • CBCT imaging, primarily for dental diagnostics like orthodontics, can incidentally detect non-dental pathologies.
  • Ectopic teeth within the maxillary sinus are rare and frequently overlooked by dental professionals.

Purpose of the Study:

  • To highlight the incidental finding of an ectopic tooth in the maxillary sinus during orthodontic CBCT imaging.
  • To emphasize the importance of examining non-dental structures in CBCT scans.

Main Methods:

  • A case report detailing an orthodontic patient.
  • Review of cone beam computed tomography (CBCT) images.
  • Accidental discovery of an ectopic tooth in the maxillary sinus.

Main Results:

  • An ectopic tooth was identified within the maxillary sinus in an orthodontic patient.
  • The finding was incidental, discovered during routine CBCT image inspection.

Conclusions:

  • Dental practitioners and oral radiologists must meticulously inspect all structures in CBCT scans, including the maxillary sinus.
  • Careful examination of non-dental regions is crucial, even in asymptomatic patients, to avoid missing ectopic teeth or other pathologies.