Hybrid tumors are very rare tumors composed of two different tumor entities, each of which conforms to an exactly defined tumor category. A 14-year-old boy was referred for an intraosseous painless lesion with a histopathological feature of multiple odontogenic lesions including calcifying odontogenic cyst, complex odontoma and ameloblastic fibro-odontoma. The final diagnosis considered to be a...

Condensation Pressure Effect on Microleakage of Mineral Trioxide Aggregate Seyed Mohsen Jalalzade 2Elham Khoshbin *3Seyed Abdolkarim Tabatabaei Endodontist, Mashhad, Iran. Assistant professor of endodontic department, Dental school, Hamedan University of medical science, Hamedan, Iran Post graduate student of pediatric dentistry department, Dental school, Shahid Beheshti Universi...

Odontomas are nonaggressive, hamartomatous developmental malformations or lesions of odontogenic origin, which consist of enamel, dentin, cementum and pulpal tissue 'Erupted odontoma' is a term used to specifically denote odontomas, which are exposed into the oral cavity. These are rare entities with only 25-30 cases being reported so far in the dental literature. Here, we present a rare case o...

The ameloblastic fibro-odontoma is a rare mixed odontogenic tumor. It occurs predominantly in children and young adults with no sex predilection and locates most often in the posterior segment of the mandible. A painless swelling is the most common clinical sign. Radiologically, ameloblastic fibro-odontoma shows a circumscribed radiolucency, which contains radio-opaque foci of various sizes and...

Odontomas are the most common type of odontogenic tumors. They are considered to be developmental anomalies (Hamartomas) rather than true neoplasms. This is a case report of complex composite odontoma in a 14 year old girl, which resulted in failure of eruption of permanent upper right lateral incisor and canine while the contralateral teeth had erupted. A calcified mass was seen in the radiogr...

Primary tooth impaction is a rare finding during the development of primary dentition. Several factors contribute to the impaction of a deciduous tooth. This report describes the diagnosis and treatment of a 10-year-old boy who presented an impacted second primary mandibular molar. This tooth, located inferior to the second premolar together with an odontoma, was positioned superior to the prem...