Enostosis Mimicking a Supernumerary Tooth

A 17 year old female with history of malaligned teeth was referred from orthodontist for extraction of a supernumerary tooth along with first premolars in lower jaw. This is a usual practice to gain space for future orthodontic treatment. The referral included an orthopantomogram revealing a dense, well defined radiopaque lesion in relation to the periapical region of lower left first and second premolars. It is horizontal in alignment measuring 2 cm inlength and 5 mm in width lying parallel to lower border in close proximity withroots of premolars. On examination, clinically there was no cortical bone expansion or enlargement on the labial or lingual side. 

Enostosis

The patient did not show any signs or symptoms of infection. The orthodontist considered this radiopaque lesion (supernumerary tooth in jaw) to interfere with his orthodontic treatment or potentially cause resorption of roots. In view of determining the proximity of this radiopacity to surrounding structures, we undertook a CBCT scan of the mandible, which ruled out the presence of a supernumerary tooth. Read more.....................

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