Question 1

Nightguards are MOST often prescribed for

Accepted Answer

A)  Malocclusion 
B)  Bruxism 
C)  Stress 
D)  Popping and clicking noises in opening the mouth 
A)  Malocclusion 
B)  Bruxism 
C)  Stress 
D)  Popping and clicking noises in opening the mouth B

Question 2

The articular disc is a fibrous pad of which tissue type?

Accepted Answer

A)  Collagen 
B)  Elastic 
C)  Epithelial 
D)  Calcified 
A)  Collagen 
B)  Elastic 
C)  Epithelial 
D)  Calcified A

Question 3

The mandibular fossa is the area between the condyle and the coronoid process.

Accepted Answer

A) True 
 B)False  False

Question 4

The thickened area surrounding the articular disc is called the temporomandibular ligament. This ligament provides some resistance to lateral displacement.

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 5

The articular disc is loosely attached to the condyle and the mandibular fossa.

Accepted Answer

A) True 
 B)False

Question 6

Each of the following is an osseus structure of the TMJ EXCEPT one. Which is the EXCEPTION?

Accepted Answer

A)  Mandibular fossa 
B)  Condyle 
C)  Articular disc 
D)  Articular eminence 
A)  Mandibular fossa 
B)  Condyle 
C)  Articular disc 
D)  Articular eminence

Question 7

The temporomandibular ligament helps prevent displacement of the condyle in each of the following directions EXCEPT one. Which is the EXCEPTION?

Accepted Answer

A)  Lateral 
B)  Posterior 
C)  Inferior 
D)  Rotational 
A)  Lateral 
B)  Posterior 
C)  Inferior 
D)  Rotational

Question 8

The contraction of the lateral pterygoid muscle

Accepted Answer

A)  Elevates the mandible 
B)  Retracts the mandible 
C)  Moves the condyle forward 
D)  Moves the condyle posteriorly 
A)  Elevates the mandible 
B)  Retracts the mandible 
C)  Moves the condyle forward 
D)  Moves the condyle posteriorly

Question 9

Which of the following accurately describe the area immediately surrounding the temporomandibular joint (select all that apply)?

Accepted Answer

A)  The entire TMJ is surrounded by a thick fibrous capsule. 
B)  The lateral side of the capsule is thickened between the articular tubercle and the condyle. 
C)  The temporomandibular ligament is a thickening on the lateral side of the capsule. 
D)  The condyle is displaced medially by the temporomandibular ligament. 
E)  The temporomandibular ligament provides some resistance to lateral displacement. 
A)  The entire TMJ is surrounded by a thick fibrous capsule. 
B)  The lateral side of the capsule is thickened between the articular tubercle and the condyle. 
C)  The temporomandibular ligament is a thickening on the lateral side of the capsule. 
D)  The condyle is displaced medially by the temporomandibular ligament. 
E)  The temporomandibular ligament provides some resistance to lateral displacement.

Question 10

The retrodiscal pad lies between the two posterior lamina of the disc.

Accepted Answer

A) True 
 B)False

Question 11

The intermediate zone is the thin middle area of the articular disc. The thick posterior area of the articular disc is called the posterior zone.

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 12

The temporomandibular ligament is

Accepted Answer

A)  An internal thickening of the medial side of the capsule 
B)  An internal thickening of the lateral side of the capsule 
C)  Attached to the articular tubercle and the medial side of the neck of the condyle 
D)  Attached to the posterior border of the ramus 
A)  An internal thickening of the medial side of the capsule 
B)  An internal thickening of the lateral side of the capsule 
C)  Attached to the articular tubercle and the medial side of the neck of the condyle 
D)  Attached to the posterior border of the ramus

Question 13

The gliding movement of the TMJ occurs along the anterior slope of the articular eminence. Specifically, this gliding movement occurs between the articular disc and the articular surface of the temporal bone.

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 14

The entire TMJ is surrounded by a thin epithelial capsule. The temporomandibular ligament is a thickening on the medial side of this capsule.

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 15

Referred pain is pain perceived at a location other than the site of the painful stimulus. Pain of this nature almost always originates in a nearby structure.

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 16

The mandibular fossa is located on the

Accepted Answer

A)  Posterior surface of the temporal bone 
B)  Inferior surface of the temporal bone 
C)  Anterior medial surface of the condyle 
D)  Posterior superior surface of the condyle 
A)  Posterior surface of the temporal bone 
B)  Inferior surface of the temporal bone 
C)  Anterior medial surface of the condyle 
D)  Posterior superior surface of the condyle

Question 17

If the condyle glides too far forward, it may be unable to move back into its normal position. When this occurs, the clinician can physically push the mandible down and posteriorly, away from the articular eminence.

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 18

The inferior surface of the articular disc is concave in shape. The superior surface is flat with a slightly bulging surface.

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 19

The retrodiscal pad has very little nutritive supply because it is composed of dense connective tissue that lacks blood and nerve supply.

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 20

The synovial fluid prevents dislocation of the TMJ components because its lubricating qualities allow surfaces to rub over one another without irritation.

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.

Exam 29: Temporomandibular Joint

Nightguards are MOST often prescribed for

The articular disc is a fibrous pad of which tissue type?

The mandibular fossa is the area between the condyle and the coronoid process.

The thickened area surrounding the articular disc is called the temporomandibular ligament. This ligament provides some resistance to lateral displacement.

The articular disc is loosely attached to the condyle and the mandibular fossa.

Each of the following is an osseus structure of the TMJ EXCEPT one. Which is the EXCEPTION?

The temporomandibular ligament helps prevent displacement of the condyle in each of the following directions EXCEPT one. Which is the EXCEPTION?

The contraction of the lateral pterygoid muscle

Which of the following accurately describe the area immediately surrounding the temporomandibular joint (select all that apply)?

The retrodiscal pad lies between the two posterior lamina of the disc.

The intermediate zone is the thin middle area of the articular disc. The thick posterior area of the articular disc is called the posterior zone.

The temporomandibular ligament is

The gliding movement of the TMJ occurs along the anterior slope of the articular eminence. Specifically, this gliding movement occurs between the articular disc and the articular surface of the temporal bone.

The entire TMJ is surrounded by a thin epithelial capsule. The temporomandibular ligament is a thickening on the medial side of this capsule.

Referred pain is pain perceived at a location other than the site of the painful stimulus. Pain of this nature almost always originates in a nearby structure.

The mandibular fossa is located on the

If the condyle glides too far forward, it may be unable to move back into its normal position. When this occurs, the clinician can physically push the mandible down and posteriorly, away from the articular eminence.

The inferior surface of the articular disc is concave in shape. The superior surface is flat with a slightly bulging surface.

The retrodiscal pad has very little nutritive supply because it is composed of dense connective tissue that lacks blood and nerve supply.

The synovial fluid prevents dislocation of the TMJ components because its lubricating qualities allow surfaces to rub over one another without irritation.

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

Root Morphology

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

Muscles of Facial Expression

Soft Palate and Pharynx

Arterial Supply and Venous Drainage

Salivary Glands

Nervous System

Lymphatics and Spread of Dental Infection

Filters