Odontogenic tumors are frequently malignant T or F
False
They are rarely malignant
What are the EPITHELIAL ODONTOGENIC TUMORS
–Ameloblastoma
–Calcifying epithelial odontogenic tumor (CEOT)
–Adenomatoid odontogenic tumor (AOT)
–Calcifying Odontogenic Cyst
What are the MESENCHYMAL ODONTOGENIC TUMORS
–Myxoma
–Cementifying fibroma
–Peripheral odontogenic ossifying fibroma
–Cementoblastoma
What are the MIXED ODONTOGENIC TUMORS
–Ameloblastic fibroma
–Odontoma
What kind of tumor is the Ameloblastoma
Unencapsulated “benign”, slow-growing and locally aggressive tumor that can occur in either arch and can cause extensive destruction
The Classic radiographic appearance of an Ameloblastoma is a ________ and can occur with a _______
multilocular soap-bubble-like or honey-combed radiolucency
dentigerous cyst
Ameloblastoma
80% of Ameloblastomas arise in the _________ arch especially in the _________ area
mandibular
molar-ramus
Calcifying Epithelial Odontogenic Tumor aka Pindborg Tumor is unique in that it does not resemble __________ and composed of islands and sheets of polyhedral epithelial cells with ________
odontogenic epithelium
calcifications that resemble enamel protein
Calcifying Epithelial Odontogenic Tumor
The Adenomatoid Odontogenic Tumor
radiographically appears as a _______ radiolucency, usually involved with ________.
well-circumscribed
unerupted anterior crowns of young patients
Adenomatoid Odontogenic Tumor
The _________ are one of the characteristic features of the Adenomatoid Odontogenic Tumor
duct-like structures
About 70% of Adenomatoid Odontogenic Tumors are associated with
impacted teeth
An essential feature of a Calcifying Odontogenic Cyst is the presence of _________
“ghost cells,” round structures with clear centers essential feature
Odontogenic myxoma is a benign __________ tumor that arises from __________ and occurs most often between ages _______
nonencapsulated infiltrating
mesenchymal tissue from the dental papilla
10 and 29
Cementifying and Ossifying Fibromas are
Benign well-circumscribed tumors composed of _________ resembling _________ and
Classified as a fibro-osseous tumor because it contains __________
rounded or globular calcifications
cementum OR bone
connective tissue and bone
The X-Ray appearance of the Benign Cementoblastoma is a __________. The mass is surrounded by a _________. The tooth is _________
well-defined radiopaque mass attached to the root of the tooth, obliterating the apex
radiolucent halo
vital and asymptomatic
Benign Cementoblastoma
Ameloblastic Fibroma is a benign nonencapsulated odontogenic tumor composed of _________ and tissue that resembles the ________. It occurs commonly in the _________.
both strands and small islands of epithelium
dental papilla
mandibular molar area over an unerupted tooth
By definition the odontoma refers to an odontogenic tumor of mixed origin with _________ exhibiting complete differentiation, with the ameloblasts and odontoblasts forming enamel and dentin.
epithelial and mesenchymal cells
What are the two types of odontoma
Complex
Compound
Complex odontoma consists of a mass of __________ but DOES NOT resemble a ________
enamel, dentin, cementum and pulp
tooth
Compound odontoma consists of a
collection of numerous small teeth
What is the most common odontogenic tumor
Odontoma
Peripheral ossifying fibroma
The Peripheral ossifying fibroma presents as a ________ that appears to originate from the _________
sessile or pedunculated lesion
interdental papilla
Lipoma
Neurofibroma and Schwannoma
Neurofibroma and Schwannoma are benign tumors associated with a ________, specifically from _______
peripheral nerve
Schwann cells
Granular cell tumor
Congenital epulis presents as a ________ on the __________
sessile or pedunculated mass
gingiva of a newborn, usually anterior maxilla
Rhabdomyoma is a benign tumor of
striated muscle
Rhabdomyosarcoma is a
Malignant tumor of striated muscle
What is the most common malignant soft tissue tumor of the head and neck of children
Rhabdomyosarcoma
Hemangioma is a _________ and the most common site is ________
benign proliferation of capillaries
the tongue
Lymphangioma is a
Benign tumor composed of lymphatic vessels
Kaposi’s Sarcoma Presents as ________ and the most common site is ________
raised pink or red papules or plaques
Hard palate and gingiva
Kaposi’s Sarcoma
Melanocytic Nevi most commonly occurs on the
hard palate or buccal mucosa
Osteoma is a ________ composed of ______
benign, asymptomatic tumor
mature bone
Most common primary tumor of bone in patients under 40
Osteosarcoma
________ is common when
Osteosarcoma affects the mandible
Lip paresthesia
Leukemia is a group of disorders characterized by ______.
Normal bone marrow is replaced by ______
overproduction of atypical white blood cells = leukocytosis
proliferation of immature white blood cells
The Most common oral involvement in Leukemia is
diffuse gingival enlargement with persistent bleeding
Multiple myeloma is a ________ and Most commonly occurs after age ___
Systemic, malignant proliferation of plasma cells
60
Lymphoma is a ________ and clinically appear as
Malignant tumor of lymphoid tissue, mostly soft-tissue involvement
