PL4 - OT - MIXED.pdf

Odontogenic Tumors Camille M. Aquino, DDM 06 December 2016 University of Perpetual Help Laguna  Odontogenic Tumors Types Epithelial Mesenchymal Mixed MIXED ODONTOGENIC TUMORS  Mixed Odontogenic Tumors Ameloblastic Fibroma Odontoma Ameloblastic Fibroma ...

Odontogenic Tumors Camille M. Aquino, DDM 06 December 2016 University of Perpetual Help Laguna  Odontogenic Tumors Types Epithelial Mesenchymal Mixed MIXED ODONTOGENIC TUMORS  Mixed Odontogenic Tumors Ameloblastic Fibroma Odontoma Ameloblastic Fibroma  Ameloblastic Fibroma CLINICAL FEATURES rare children, young adults (12-40yo) no gender predilection md-molar-ramus area slow growing, asymptomatic, jaw expansion solid lesion Ameloblastic Fibroma  Ameloblastic Fibroma RX FEATURES unilocular/ multilocular, well-circumscribed RL surrounded by sclerotic margins Ameloblastic Fibroma  Ameloblastic Fibroma HX FEATURES Lobulated in general configuration and usually surrounded by a fibrous capsule Predominantly myxoid CT Ameloblastic Fibroma Ameloblastic Fibroma  Ameloblastic Fibroma DIFFERENTIAL DIAGNOSIS Ameloblastoma Odontogenic myxoma Dentigerous cyst Odontogenic keratocyst TX Excision/ conservative resection non-invasive, does not infiltrate bone  Ameloblastic Fibroma Ameloblastic Fibro-odontoma molar-ramus area Rx: big RL with sclerotic border, RO in the middle Hx: foci containing enamel and dentin DD: CEOT, COC, developing odontoma, AOT Ameloblastic Fibro-odontoma Ameloblastic Fibro-odontoma Ameloblastic Fibro-odontoma Odontoma  Odontoma sometimes considered as hamartomas of dental tissues asymptomatic clinical signs suggestive of odontoma: retained deciduous tooth, impacted tooth with alveolar swelling 2 kinds: Compound, Complex  Odontoma CLINICAL FEATURES children- adults (2nd decade) common sites: ant mx, post md may erupt may displace tooth or block the eruption of secondary teeth  Compound Odontoma CLINICAL FEATURES denticles in ant jaws, painless swelling RX FEATURES numerous tiny teeth in a single focus or “bag of marbles” in a tooth-bearing area between roots or over the crown Compound Odontoma Compound Odontoma  Compound Odontoma HX FEATURES denticles embedded in fibrous CT DIFFERENTIAL DIAGNOSIS Florid osseous dysplasia Compound Odontoma  Compound Odontoma TX Enucleation Compound Odontoma  Complex Odontoma CLINICAL FEATURES “cauliflower-like” mass typically on posterior area hard, painless swelling may erupt young patients no gender predilection posterior jaws  Complex Odontoma RX FEATURES complete calcification: irregular RO mass containing densely RO enamel Complex Odontoma Complex Odontoma  Complex Odontoma HX FEATURES ALL dental tissues perforated mass Complex Odontoma Complex Odontoma