Question 1

The pseudocyst seen in this radiographic image is surrounded by salivary gland tissue. It is a(n) _____ bone cyst.

Accepted Answer

A)  simple 
B)  Stafne 
C)  traumatic 
D)  aneurysmal

Question 2

Periapical radiographic examination reveals a well-defined unilocular radiolucency located in the midline of the hard palate. The diagnosis is _____ cyst.

Accepted Answer

A)  nasolabial 
B)  globulomaxillary 
C)  branchial cleft 
D)  median palatine

Question 3

Microdontia most commonly occurs in

Accepted Answer

A)  maxillary laterals and third molars. 
B)  maxillary canine. 
C)  mandibular molars. 
D)  mandibular incisors and molars.

Question 4

Your patient presents with several horizontal rows of deep pits traversing the surfaces of the permanent central and lateral incisors, canines, and first molars. The pits are stained and unsightly. Which condition is suspected?

Accepted Answer

A)  Dens in dente 
B)  Concrescence 
C)  Enamel hypoplasia 
D)  Oligodontia

Question 5

When counting the maxillary anterior teeth of this adolescent patient, it appears that five are present clinically, if the large tooth is counted as one. A radiographic image reveals that this large central tooth has two roots. This tooth demonstrates

Accepted Answer

A)  geminism. 
B)  concrescence. 
C)  dilaceration. 
D)  fusion.

Question 6

This radiographic image clearly shows which developmental anomaly?

Accepted Answer

A)  Dens in dente 
B)  Periapical pathology (PAP) 
C)  Caries 
D)  Open contacts

Question 7

Deciduous teeth in which bone has fused to cementum and dentin, preventing exfoliation of the deciduous tooth and eruption of the underlying permanent tooth are termed

Accepted Answer

A)  embedded. 
B)  ankylosed. 
C)  impacted. 
D)  erupted.

Question 8

Which tooth is most commonly affected by dens in dente?

Accepted Answer

A)  Maxillary central 
B)  Mandibular lateral 
C)  Maxillary lateral 
D)  A supernumerary tooth

Question 9

Which term describes partial anodontia or the lack of one or more teeth?

Accepted Answer

A)  Anodontia 
B)  Ankylosed 
C)  Hypodontia 
D)  Gemination

Question 10

The body of the tongue develops from the

Accepted Answer

A)  frontal process. 
B)  first branchial arch. 
C)  second branchial arch. 
D)  third branchial arch.

Question 11

The _____ cyst has a strong predilection for females.

Accepted Answer

A)  lateral periodontal 
B)  nasopalatine canal 
C)  nasolabial 
D)  gingival

Question 12

This patient exhibits an extensive adhesion of the tongue to the floor of the mouth caused by the short lingual frenum. What condition is suspected?

Accepted Answer

A)  Ankyloglossia 
B)  Frenectomy 
C)  Lingual thyroid 
D)  Total ankyloglossia

Question 13

The first branchial arch divides into two maxillary processes and the _____ process.

Accepted Answer

A)  mandibular 
B)  frontal 
C)  median nasal 
D)  globular

Question 14

When two or more teeth are joined by cementum, as shown in this picture, it is termed

Accepted Answer

A)  concrescence. 
B)  dilaceration. 
C)  enamel pearl. 
D)  gemination.

Question 15

Which cyst develops from a preexisting periapical granuloma found at the apex of a nonvital tooth?

Accepted Answer

A)  Radicular 
B)  Follicular 
C)  Eruption 
D)  Calcifying odontogenic

Exam 5: Developmental Disorders