Question 1

Root pain always means that dental caries is present.

Accepted Answer

A) True 
 B)False

Question 2

Root canal therapy in third molars is considered very unpredictable because the tooth is located so far distally in the mouth.

Accepted Answer

A)  Both the statement and the reason are correct and related. 
B)  Both the statement and the reason are correct but are NOT related. 
C)  The statement is correct, but the reason is NOT correct. 
D)  The statement is NOT correct, but the reason is correct. 
E)  NEITHER the statement NOR the reason is correct. 
A)  Both the statement and the reason are correct and related. 
B)  Both the statement and the reason are correct but are NOT related. 
C)  The statement is correct, but the reason is NOT correct. 
D)  The statement is NOT correct, but the reason is correct. 
E)  NEITHER the statement NOR the reason is correct.

Question 3

The cementum covering the root is thick and smooth when first formed.

Accepted Answer

A) True 
 B)False

Question 4

An 11-year-old boy, Ronald, has an overjet and is being treated by an orthodontist. At a routine appointment, Ronald mentions that he feels some pressure in the area of his maxillary anterior incisors and asks if this is unusual. The orthodontist examines Ronald, makes some adjustments to his appliance, and reviews his radiographs. He informs Ronald that he is pleased with the movement of his teeth and that he may feel occasional pressure throughout treatment. Which factors contribute to forming new bone (select all that apply)?

Accepted Answer

A)  PDL tension/compression 
B)  Sustained orthodontic force 
C)  Osteoclastic activity 
D)  Osteoblastic activity 
E) Not of above 
A)  PDL tension/compression 
B)  Sustained orthodontic force 
C)  Osteoclastic activity 
D)  Osteoblastic activity 
E) Not of above

Question 5

A slight amount of mobility is not considered normal. Orthodontics can help with bone remodeling that can prevent even slight tooth mobility.

Accepted Answer

A)  Both statements are true. 
B)  The first statement is true; the second is false. 
C)  The first statement is false; the second is true. 
D)  Both statements are false. 
A)  Both statements are true. 
B)  The first statement is true; the second is false. 
C)  The first statement is false; the second is true. 
D)  Both statements are false.

Question 6

Dentin tubules can carry a stimulus from the root surface to the nerves in the pulp canal.

Accepted Answer

A) True 
 B)False

Question 7

Maxillary molar root trifurcations are located on each of the following surfaces EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

A)  Mesial 
B)  Distal 
C)  Lingual 
D)  Buccal 
A)  Mesial 
B)  Distal 
C)  Lingual 
D)  Buccal

Exam 11: Root Morphology

Root pain always means that dental caries is present.

Root canal therapy in third molars is considered very unpredictable because the tooth is located so far distally in the mouth.

The cementum covering the root is thick and smooth when first formed.

A slight amount of mobility is not considered normal. Orthodontics can help with bone remodeling that can prevent even slight tooth mobility.

Dentin tubules can carry a stimulus from the root surface to the nerves in the pulp canal.

Maxillary molar root trifurcations are located on each of the following surfaces EXCEPT one. Which one is the EXCEPTION?

Oral Cavity

The Tooth: Functions and Terms

Fundamental and Preventive Curvatures

Dentition

Development, Form, and Eruption

Occlusion

Dental Anomalies

Supporting Structures

Clinical Considerations

Tooth Identification

Incisors

Canines

Premolars

Molars

Deciduous Dentition

Basic Tissues

Development of Orofacial Complex

Dental Lamina and Enamel Organ

Enamel, Dentin, and Pulp

Root Formation and Attachment Apparatus

Eruption and Shedding of Teeth

Oral Mucous Membrane

The Tongue

Salivary Glands

Osteology of the Skull

Nose, Nasal Cavity, and Paranasal Sinuses

Muscles of Mastication, Hyoid Muscles, and Sternocleidomastoid and Trapezius Muscles

Temporomandibular Joint

Muscles of Facial Expression

Soft Palate and Pharynx

Arterial Supply and Venous Drainage

Salivary Glands

Nervous System

Lymphatics and Spread of Dental Infection

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