Abstract
A case of regional odontodysplasia with osteomyelitis in the left mandilble was reported.
A 3-year-old boy was referred to our clinic complaining of spontaneous pain of the left mandibular molar region.
At first visit, severe swelling and redness were observed at the left buccal and submandibular region extraorally and from the lower left primary canine to retromolar region intraorally.
The lower left primary second molar had not erupted completely. The enamel surface of this tooth was rough.
The radiograph of the left mandible showed ghost-like appearances of the lower left primary canine and second molar. A radiolucent area was observed at the apical region of the lower left primary second molar. The germs of the lower left permanent canine and first molar were hypop-lastic and the germs of the lower left first and second premolar were not formed.
The lower left primary second molar was extracted, after the inflammatory symptoms disappeared.
Histological examination of the lower left primary first molar revealed that the enamel and dentin were thin, hypoplastic and hypocalcified. The dystrophic calcification was observed along the enamel surface.
