European Archives of Paediatric Dentistry

, Volume 14, Issue 3, pp 185–189 | Cite as

The usefulness of cone beam computed tomography for treatment of complex odontoma

  • T. Y. Kobayashi
  • C. V. Gurgel
  • A. L. Cota
  • D. Rios
  • M. A. A. Machado
  • T. M. OliveiraEmail author
Case Report



Odontomas are odontogenic tumours, resulting from epithelial growth and differentiated mesenchymal cells, clinically asymptomatic, and often associated with changes to the eruption of the permanent dentition. In recent years, cone beam computed tomography (CBCT) has been used in the diagnosis and treatment planning of this condition.

Case report

A 9-year-old male patient, with an unerupted permanent maxillary right central incisor (tooth 11) presented to our clinic. The panoramic radiograph showed impaction of tooth 11 with incomplete root development and the suspicion of an odontome and supernumerary tooth. CBCT was performed and enabled the visualisation of a radiopaque image compatible with an odontome, confirming the presence of an impacted supernumerary tooth on the palatal surface of tooth 11.


Surgical excision of the odontome and the supernumerary tooth was performed.


Clinical and radiographic evaluations 2 months after the removal of the lesion showed lack of space for the eruption of tooth 11. The patient was referred for orthodontic treatment and a Hyrax appliance was fitted. The patient has been followed for 12 months.


CBCT is an important auxiliary tool, aiding in both correct diagnosis and accurate treatment planning. It is currently a technology accessible to most paediatric dentists and should be beneficial considering the diagnostic information provided as well as the cost-benefit ratio for the patient.


Odontogenic tumours Odontoma Cone beam computed tomography Dental treatment 


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Copyright information

© European Academy of Paediatric Dentistry 2013

Authors and Affiliations

  • T. Y. Kobayashi
    • 1
  • C. V. Gurgel
    • 1
  • A. L. Cota
    • 1
  • D. Rios
    • 1
  • M. A. A. Machado
    • 1
  • T. M. Oliveira
    • 1
    Email author
  1. 1.Department of Paediatric Dentistry, Orthodontics and Public Health, Bauru School of DentistryUniversity of São PauloBauru-SPBrazil

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