Article: Volume 46 Number 6 Page 561 - June 2019

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  Dent Update 2019; 46: 561-564

Oral Surgery/Orthodontics:  Unusual Presentation of a Tooth Associated with an Adenomatoid Odontogenic Tumour

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Abstract: Unilocular radiolucent lesions of the dental hard tissues can present regularly, however they are impossible to diagnose definitively without appropriate imaging and histopathology. A case is reported that involves a 14-year-old that presented with a history of an unerupted maxillary first premolar. An initial Dental Panoramic Tomograph (DPT) did not identify any localized opacities and was diagnosed as a dentigerous cyst. A Cone Bean Computed Tomogram (CBCT) identified calcified opacities resulting in a re-evaluated radiological interpretation. With the help of a multidisciplinary approach, the removal of the benign lesion allowed orthodontic traction to extrude the tooth and for it to be brought into alignment.

Clinical relevance: This report highlights the importance of three-dimensional imaging as an adjunct to aid diagnosis and highlights the importance of multidisciplinary teams in the management of clinical challenges.

Author notes: Nimit J Patel, BDS(Hons), MFDS RCPS(Glas), DCT1 Paediatric Dentistry, Guy’s and St Thomas’ NHS Foundation Trust (email:, Simon Toms, BDS(Adel), SpR Orthodontics, Department of Orthodontics, Guy’s and St Thomas’ NHS Foundation Trust, Fraser McDonald, PhD, BDS, MSc, MOrth FDS RCS, Professor of Orthodontics, Department of Orthodontics, GKT Dental Institute, Guy’s Hospital, London, Joanna Johnson, BDS, MPaedDent, MFDS RCS(Eng), Consultant in Paediatric Dentistry, Guy’s and St Thomas’ NHS Foundation Trust and Louis McArdle, BDS, MSc, FDS RCS(Glas), Consultant Oral Surgeon, Guy’s and St Thomas’s NHS Foundation Trust, London, UK.

Objective: To understand the clinical occurrence and presentation of adenomatoid odontogenic tumours.


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