Adenomatoid odontogenic tumor (AOT), constituting approximately 3-7% of all odontogenic tumors is described as a rare benign epithelial tumor of odontogenic origin. It is composed of odontogenic epithelium arranged in a variety of histoarchitectural presentations and closely resembles an ameloblastoma. AOT is mostly asymptomatic and is usually associated with impacted teeth in maxillary anterio...

In the past the benign cementoblastoma was recognized in the World Health Organization’s classification of odontogenic tumors as one of the cementoma neoplasias. Recently the benign cementoblastoma is included into ‘Mesenchyme and/or odontogenic ectomesenchyme, with or without odontogenic epithelium’ odontogenic tumors. Benign cementoblastoma has characteristic radiologic and microscopic featur...

In the past the benign cementoblastoma was recognized in the World Health Organization's classification of odontogenic tumours as one of the cementoma neoplasias. Recently the benign cementoblastoma is included into Mesenchyme and/or odontogenic ectomesenchyme, with or without odontogenic epithelium odontogenic tumours. Benign cementoblastoma has characteristic radiologic and microscopic featur...

The Adenomatoid Odontogenic Tumor (AOT) is a rare, slow growing, benign, odontogenic epithelial tumor with characteristic clinical and histological features; which usually arise in the second or third decade. It is a tumor composed of odontogenic epithelium in a variety of histoarchitectural patterns which are embedded in a mature connective tissue stroma. It is mostly encountered in young pati...

The purpose of this study was to investigate a case of calcifying odontogenic cyst (COC) in which numerous calcifications were observed not only in the lining epithelium, but also in the cyst wall, using cytokeratins 13 (CK13), 19 (CK19), and core binding factor a-1 (cbfa-1) as primary antibodies. Cells of Malassez's epithelial rest were stained as controls. Cells of the epithelial nests in the...

Admixed ameloblastoma comprises of a combination more than one histomorphological patterns ameloblastoma. The present case report discusses admixed extensively involving the entire body mandible bilaterally in 25-year-old male. was managed by segmental resection using osteotomy to remove segment along with right coronoid process. Histopathological examination excised tumor revealed highly proli...

P63 may have a role in tumorigenesis and cytodifferentiation of odontogenic lesions. We investigated the immunohistochemical expression of P63 in a total of 30 cases of odontogenic cysts and tumors. The percentage of positive cells was calculated in the lining of odontogenic cysts and islands of ameloblastoma. P63 expression was evident in all types of odontogenic lesions. P63 was expressed thr...

OBJECTIVES Odontogenic tumours comprise a large heterogeneous group of lesions originating from odontogenic epithelium and/or ectomesenchyme and its vestiges. The aim of this study was to analyze odontogenic tumours in children and adolescents seen at a tertiary institution in South Western Nigeria and compare with results from previous studies. MATERIAL AND METHODS Archival records of the De...

Unicystic ameloblastoma is a slow-growing tumor originating from the odontogenic epithelium that can be localized within lining of cyst. It commonly affects younger individuals and frequently found in posterior mandible. The classification this based on histopathological characteristics, distinguishing between luminal, intraluminal, mural proliferation epithelium. Treatment options vary dependi...