Question 1

The mucogingival junction joins the free and attached gingiva. There is a raised line on the surface of the mucogingival junction.

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 2

Bundle bone is the collection of numerous layers of bone added to the socket wall through apposition. Because it is relatively new bone, it has no attachment with the periodontal ligament.

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 3

The periodontal ligament provides a hammock of tissue bundles that support the tooth within the bone. Each of the following is true regarding the periodontal ligament EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

A)  Periodontal ligament fibers tie the tooth to the bone. 
B)  Periodontal ligament fibers prevent the tooth from being pushed into the bone. 
C)  The periodontal ligament contains small blood and lymph vessel and nerves. 
D)  The main portion of the periodontal ligament is composed of osseous trabeculae. 
E)  Fluids within the periodontal ligament act as a hydraulic pressure system on the alveolar walls. 
A)  Periodontal ligament fibers tie the tooth to the bone. 
B)  Periodontal ligament fibers prevent the tooth from being pushed into the bone. 
C)  The periodontal ligament contains small blood and lymph vessel and nerves. 
D)  The main portion of the periodontal ligament is composed of osseous trabeculae. 
E)  Fluids within the periodontal ligament act as a hydraulic pressure system on the alveolar walls.

Question 4

Orthodontic movement is possible due to which of the following (select all that apply)?

Accepted Answer

A)  Bone resorption 
B)  Bone apposition 
C)  Periodontal ligament stretching 
D)  Hydraulic function of periodontal fluids 
E) Not of above 
A)  Bone resorption 
B)  Bone apposition 
C)  Periodontal ligament stretching 
D)  Hydraulic function of periodontal fluids 
E) Not of above

Question 5

The thin, soft, smooth alveolar mucosa is highly keratinized. The thicker, stippled attached gingiva is keratinized, contains rete pegs, and is covered with stratified squamous epithelium.

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

Which is a gingival fiber?

Accepted Answer

A)  Horizontal 
B)  Oblique 
C)  Circular 
D)  Apical 
A)  Horizontal 
B)  Oblique 
C)  Circular 
D)  Apical

Exam 8: Supporting Structures

The mucogingival junction joins the free and attached gingiva. There is a raised line on the surface of the mucogingival junction.

Bundle bone is the collection of numerous layers of bone added to the socket wall through apposition. Because it is relatively new bone, it has no attachment with the periodontal ligament.

The periodontal ligament provides a hammock of tissue bundles that support the tooth within the bone. Each of the following is true regarding the periodontal ligament EXCEPT one. Which one is the EXCEPTION?

Orthodontic movement is possible due to which of the following (select all that apply)?

The thin, soft, smooth alveolar mucosa is highly keratinized. The thicker, stippled attached gingiva is keratinized, contains rete pegs, and is covered with stratified squamous epithelium.

Which is a gingival fiber?

Oral Cavity

The Tooth: Functions and Terms

Fundamental and Preventive Curvatures

Dentition

Development, Form, and Eruption

Occlusion

Dental Anomalies

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

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

Filters