Midterm Key
QUESTION 1
Identify the abnormality
• Associated teeth are vital
• A.Periapical cemento-osseous dysplasia
• B. Osteosclerosis
• C. Rarefying osteitis
• D. Sclerosing osteitis
• The lesions are mixed radiolucent
and radiopaque present on anterior
mandibular teeth and associated
teeth are vital
QUESTION 2
Identify the abnormality
• A. Rarefying osteitis
• B. Malignancy
• C. Odontogenic cyst
• D. Osteomyelitis
• Area of sequestrum
can be seen in this
ill defined radiolucent
area.
QUESTION 3
Identify the abnormality
• A. Rarefying osteitis
• B. Sclerosing osteitis
• C. Osteosclerosis
• D. Osteomyelitis
• No source of inflammation or
infection is present.
QUESTION 4
Identify the abnormality
• A. Osteoma
• B. Sclerosing osteitis
• C. Osteosclerosis
• D. Osteomyelitis
QUESTION 5
Identify the abnormality
• 35 year old female
• A. Rarefying osteitis
• B. Osteosclerosis
• C. Periapical cemento-osseous dysplasia
• D. Osteomyelitis
QUESTION 6
Identify the abnormality
•
•
•
•
A. Sclerosing osteitis
B. Osteosclerosis
C. Compound odontoma
D. Complex odontoma
QUESTION 7
Identify the abnormality
• A. Condyle
• B. Coronoid process
• C. Hamular process
QUESTION 8
Identify the abnormality
• A. Enostosis
• B. Exostosis
• C. Osteosclerosis
• D. Sclerosing osteitis
QUESTION 9
Identify the radiolucent entity
• A. Midpalatine suture
• B. Nasopalatine canal
• C. Pterygopalatine fissure
• D. Nasal septum
QUESTION 10
Identify the abnormality
• 15 years old female presents
with this lesion
• A. Giant cell lesion
• B. Dentigerous cyst
• C. Odontoma
• D. Radicular cyst
•Reason: Young individual, anterior to 1st molar and
multilocular with fine septa.
•Cannot be dentigerous cyst as it is multilocular and
dentigerous cyst is unilocular and is always
associated with an impacted tooth.
•Radicular cyst is not multilocular and is always
associated with a necrotic tooth.
QUESTION 11
Identify the abnormality
•
•
•
•
A. Central giant cell lesion
B. Peripheral giant cell granuloma
C. Odontogenic fibroma
D. Odontogenic myxoma
QUESTION 12
Identify the abnormality
• 10 years old male
• A. Dentigerous cyst
• B. Odontogenic keratocyst
• C. Adenomatoid odontogenic tumor
• D. Odontogenic myxoma
QUESTION 13
Identify the abnormality
•
•
•
•
1. Central giant cell lesion
2. Odontogenic myxoma
3. Odontogenic keratocyst
4. Ameloblastoma
A.
B.
C.
D.
1, 2 &3
1, 2, 3 &4
1 & 2 only
3 &4 only
QUESTION 14
Identify the abnormality
• A. Osteosclerosis
• B. Cementoblastoma
• C. Sclerosing osteitis
• D. Enostosis
QUESTION 15
Identify the entity
•
•
•
•
A. Hamular process of lateral pterygoid plate
B. Hamular process of medial pterygoid plate
C. Pterygopalatine fissure
D. Lateral pterygoid plate
QUESTION 16
Identify the abnormality
• A. Normal trabecular bone
• B. Fibrous dysplasia
• C. Sclerosing osteitis
• D. Osteosclerosis
QUESTION 17
Identify the abnormality
• A. Lateral periodontal cyst
• B. Radicular cyst
• C. Rarefying osteitis
• D. Dentigerous cyst
QUESTION 18
Identify the abnormality
•
•
•
•
1. Central giant cell lesion
2. Odontogenic myxoma
3. Odontogenic keratocyst
4. Ameloblastoma
A.
B.
C.
D.
1, 2 &3
2, 3, 4 &1
1 & 2 only
3 &4 only
QUESTION 19
Identify the abnormality
• A. Radicular cyst
• B. Lateral periodontal cyst
• C. Dentigerous cyst
• D. Rarefying osteitis
QUESTION 20
Identify the entity
• A. Intraosseous hemangioma
• B. Extraosseous hemangioma
• C. Enostosis
• D. Exostosis
These radiopacities are phleboliths
which are associated with extraosseous
hemangioma
QUESTION 21
Identify the entity
• A. Complex odontoma
• B. Compound odontoma
• C. Osteoma
• D. Enostosis
QUESTION 22
Identify the entity
•
•
•
A. Inferior nasal conchae
B. Nasal septum
C. Middle nasal conchae
QUESTION 23
Identify the entity
• A. Middle nasal conchae
• B. Inferior nasal conchae
• C. Inferior meatus
• D. Middle meatus
QUESTION 24
Identify the entity
•
A. External oblique ridge
•
•
•
B. Submandibular salivary gland fossa
C. Inferior alveolar nerve canal
D. Submandibular gland
QUESTION 25
Identify the abnormality
• A. Hypercementosis
• B. Cementoblastoma
• C. Sclerosing osteitis
• D. Enostosis
Characteristic features of cementoblastoma can be seen:
Radiopaque mass surrounded by radiolucent border (which
represents soft tissue capsule), attached with the root and causing
root resorption.
Hypercementosis will show up as bulbous roots with no root
resorption and the lamina dura and PDL space intact.
QUESTION 26
Identify the entity
• A. External oblique ridge
• B. Mylohyoid ridge
• C. Superior border of inferior alveolar nerve canal
QUESTION 27
Identify the entity
• A. Stafne bone defect
• B. Dentigerous cyst
• C. Odontogenic keratocyst
• D. Radicular cyst
Always remember any lesion or entity
present below the inferior alveolar nerve
canal is rarely odontogenic in origin.
QUESTION 28
Identify the abnormality
• A. Hamular process of lateral pterygoid plate
• B. Incisive canal cyst
• C. Odontoma
• D. Osteoblastoma
The normal diameter
of the incisive foramen is 10mm,
in case it is bigger than that
suspect incisive canal cyst.
QUESTION 29
Localize the radiopaque entity
• A. Buccal
• B. Lingual
QUESTION 30
Identify the entity
• A. External oblique ridge
• B. Mylohyoid ridge
• C. Superior border of inferior alveolar nerve canal