Dilated odontoma: an unusual case report and literature review

Introduction: Dilated odontoma is the most severe form of a dens invaginatus, which rare dental malformation resulting from an invagination enamel organ into papilla before calcification occurs. Observation: A healthy 7-years-old girl was referred to oral surgery department remove impacted causing delayed eruption right mandibular lateral incisor (tooth 42). The patient painless and lingual osseous swelling observed. computed tomography 3D segmentation revealed shell-shaped mass in position incisor, showing complex anatomy. Surgical excision carried out under general anesthesia. Histological analysis confirmed diagnosis DO. Discussion conclusion: We performed literature review investigating 16 cases forms invaginatus required extraction. It highlighted atypical aspect our case importance imaging contributing accurate treatment this malformation.