Exam 1

Question 1

42 yr old white female with asymptomatic radiolucency at apex of right maxillary central incisor; tooth is nonvital

Answer 1

Radicular cyst
Periapical granuloma
Periapical abscess (if pain)

Question 2

17 y/o white female, dull pain with large radiolucency at apex of maxillary left lateral incisor; nonvital tooth

Answer 2

Radicular cyst
Periapical abscess
Periapical granuloma

Question 3

38 y/o Vietnamese male with well circumscribed radiolucency between right cuspid and central incisor. Lateral incisor missing.

Answer 3

How lost the tooth?
Residual cyst
Odontogenic keratocyst
Primordial cyst

Question 4

32 y/o African-American with divergence of maxillary central incisors. Radiograph reveals large, well-circumscribed radiolucency between the roots; teeth are vital

Answer 4

Nasopalatine duct cyst
Odontogenic keratocyst
Giant cell granuloma

Question 5

62 y/o white female pain and parasthesia of left mandible. Poorly circumscribed radiolucency of mandibular midbody with soft tissue swelling of edentulous alveolar ridge distal to second premolar

Answer 5

Metastatic cancer
Osteosarcoma
Chondrosarcoma

Question 6

42 y/o white male with impacted 3rd molar with large radiolucency around crown; tooth displaced to the inferior border of the mandible (likely on exam)

Answer 6

Dentigerous cyst
Odontogenic keratocyst
Ameloblastoma

Question 7

14 y/o white male asymptomatic radiolucency of right posterior mandible, no swelling or tenderness, teeth vital, radiolucency extends up between roots of second premolar to second molar

Answer 7

Traumatic bone cyst
Giant cell granuloma
Ameloblastoma

Question 8

37 y/o white male with small well circumscribed radiolucency found midway between roots of mandibular cuspid and lateral incisor; asymptomatic and vital

Answer 8

Lateral periodontal cyst
Odontogenic keratocyst
Ameloblastoma

Question 9

9) 17 y/o white female with discomfort and slight swelling of left mandible; multilocular radiolucency from left third molar to right first premolar (likely multilocular on exam)

Answer 9

Ameloblastoma
Giant cell granuloma
Odontogenic keratocyst

Question 10

34 y/o female swelling of left mandible; expansile lucency containing numerous fine opaque bony trabeculations

Answer 10

Ameloblastoma
Giant cell granuloma
Odontogenic keratocyst
Odontogenic Myxoma could be

Question 11

18 y/o African-American female lower front teeth moving, tenderness to percussion, slight labial expansion, large unilocular radiolucency from mandibular right first premolar to mandibular left first premolar

Answer 11

Giant cell granuloma (crosses the midline)
Ameloblastoma
Odontogenic keratocyst

Question 12

43 y/o African-American female with 2 small radiolucencies at spices of mandibular central incisors; teeth vital

Answer 12

Periapical cements-osseous dysplasia
Glandular odontogenic cyst
Fibrous dysplasia

Question 13

63 y/o female pain in right maxilla for 2 months; area of exposed bone, ill-defined opacity, had multiple myeloma and prescribed IV Zometa

Answer 13

IV bisphosphonate

Question 14

34 y/o white male asymptomatic 4-5 mm radiopacity distal to #18 with no expansion

Answer 14

Idiopathic osteosclerosis
Benign Cementoblastoma
Cementooseous dysplasia

Question 15

17 y/o white male pain in right posterior mandible, 2 cm radiopaque mass attached to distal root of mandibular first molar. Mass surrounded by thin radiolucent zone.

Answer 15

Benign Cementoblastoma

Question 16

26 y/o african-american female radiolucent lesion on body of left mandible, former dentist extracted teeth, lesion continued to grow, producing clinical expansion of her buccal cortex with buccal swelling, you see expansile radiolucency containing multiple foci of opacification

Answer 16

Osteoblastoma
Gorlin Cyst
Pindborg Tumor