Deck 10: Occlusal Trauma

Question 1

A patient had an amalgam restoration placed on the mandibular molar 2 days ago. The patient reports to the dental office and complains of pain on that tooth. Which of the following procedures should be done to determine the origin of the pain?

A)Check occlusion with articulating paper
B)Probe that tooth and adjacent teeth
C)Place a sealant on top of the amalgam
D)Apply high concentration of fluoride to the tooth

Answer 1

Check occlusion with articulating paper

Question 2

Of which of the following conditions is pathologic tooth migration indicative?

A)Nonvital tooth
B)Severe periodontitis
C)Dentinal hypersensitivity
D)Daytime bruxism

Answer 2

Severe periodontitis

Question 3

All of the following outcomes of treatment of occlusal trauma are desirable except one. Which one is the exception?

A)Elimination of fremitus
B)Prevention of further tooth migration
C)Stability of radiographic changes
D)Increased tooth mobility

Answer 3

Increased tooth mobility

Question 4

Which of the following radiographic findings are seen in occlusal trauma?

A)Infrabony pockets
B)Vertical bone loss
C)Horizontal bone loss
D)Suprabony pockets

Question 5

Which of the following features is a cause of secondary occlusal trauma?

A)Chewing forces on a tooth with advanced bone loss
B)Deep infrabony pockets extending beyond the mucogingival junction
C)Plaque-induced gingival pockets
D)Overhang on amalgam restoration

Question 6

The objective of occlusal therapy is to

A)control the direction, magnitude, and frequency of excessive occlusal forces.
B)change the direction of the excessive occlusal forces so that the force is directed axially.
C)eliminate all forces on the tooth or teeth.
D)modify occlusal forces to be directed toward the gingival.

Question 7

Occlusal trauma alone does not cause gingivitis or periodontitis because the junctional epithelium is not affected by occlusal trauma.

A)Both statement and reason are correct.
B)Both statement and reason are incorrect.
C)The statement is correct, but the reason is incorrect.
D)The statement is incorrect, but the reason is correct.

Question 8

All of the following are clinical features of occlusal trauma except one. Which one is the exception?

A)Fremitus
B)Wear facet
C)Chipped teeth
D)Bleeding on probing

Question 9

All of the following structures are affected by occlusal trauma except one. Which one is the exception?

A)Alveolar bone
B)Periodontal ligament
C)Attached gingival
D)Cementum

Question 10

Which of the following are treatment options for teeth in secondary occlusal trauma with shallow probing depths?

A)Splinting
B)Orthodontics
C)Apply fluoride varnish
D)Incision and drainage

Question 11

It is controversial whether inflammation and occlusal trauma are codestructive. Proponents of this codestructive theory say that in the presence of occlusal trauma, inflammation will be

A)slower.
B)accelerated.
C)unchanged.
D)initially slower, but then faster later.

Question 12

Which of the following is an objective for splinting teeth?

A)To increase esthetics of the teeth
B)To increase effectiveness of plaque control
C)To reduce discomfort for the patient
D)To aid in healing of gingival pockets

Question 13

Which of the following is the most common sign of occlusal trauma?

A)Pain
B)Sensitivity
C)Cracked tooth
D)Gingival inflammation
E)Increasing mobility

Question 14

Which of the following conditions is seen on a tooth that is in traumatic occlusion?

A)Abrasion
B)Erosion
C)Extrusion
D)Wear facet

Question 15

Which of the following materials is used to make a night guard?

A)Orthodontic resin
B)Composite resin
C)Hard acrylic
D)Denture acrylic

Question 16

Which of the following activities is considered to be parafunctional?

A)Thumbsucking
B)Eating an ice pop
C)Drinking soda from a straw
D)Frequent swallowing

Question 17

All of the following are examples of primary occlusal trauma except one. Which one is the exception?

A)A restoration that is "high" in occlusion
B)Trauma (e.g., blow)to the teeth
C)Orthodontic movement of tooth
D)Insufficient bone support

Question 18

Which of the following is a goal of selective grinding?

A)To eliminate premature contacts
B)To reduce tooth structure
C)To change the direction of occlusal forces
D)To increase occlusal loading

Question 19

Which of the following signs is indicative of inadequate resolution of occlusal trauma?

A)Progressive tooth mobility
B)Increased depth of periodontal pockets
C)Increased attachment loss
D)Presence of intrabony defects

Question 20

Early animal studies on occlusal trauma placed high restoration in order to reproduce

A)impaction forces.
B)jiggling forces.
C)normal occlusion.
D)adapted occlusion.

Question 21

Bruxism is an example of a ________ habit.

Question 22

Define secondary occlusal trauma.

Question 23

A tooth in secondary occlusal trauma has a ________ periodontium.

Question 24

Define primary occlusal trauma.

Question 25

A tooth in occlusal trauma shows increasing ________.

Question 26

Radiographically, a tooth in occlusal trauma will usually have a ________ periodontal ligament space.

Question 27

A tooth in primary occlusal trauma has a ________ periodontium.