Question 1

Tooth migration can begin with 24 hours of an extraction.Tooth migration,otherwise known as mesial drift,of teeth is a natural phenomenon.

Accepted Answer

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

Question 2

Which of the following contribute to dental caries and periodontal disease (Select all that apply. )?

Accepted Answer

A)   Rough pits and grooves
B)   The consistent presence of bacterial plaque on teeth
C)   Inferior restorative dentistry
D)   Intact enamel surfaces
E)   Neglecting to replace missing teeth A,B,C,E

Question 3

Which of the following accurately describe preventive clinical considerations of existing dental conditions (Select all that apply. )?

Accepted Answer

A)   Polishing restorations
B)   Root planing
C)   Using amalgam to fill a tooth
D)   Removing plaque and calculus A,B,D

Question 4

An ideal situation is to have all teeth occlude equally on closure of the jaw because this pattern allows dissipation of occlusal forces over all of teeth.

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.

Question 5

In protrusive occlusion,only the anterior teeth occlude.

Accepted Answer

A) True 
 B)False

Question 6

Sealants are most effective in preventing decay in

Accepted Answer

A)   interproximal areas
B)   uneven enamel
C)   buccal and lingual grooves
D)   occlusal pits

Question 7

Dentinal surfaces are rarely exposed during root planing because the envelope of cementum covering the root is quite thick.

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.

Question 8

When restoring the anatomy of a decayed tooth each of the following should be recreated EXCEPT one.Which one is the EXCEPTION?

Accepted Answer

A)   Buccal and lingual contour
B)   Deep occlusal pits and grooves
C)   Interproximal contact area
D)   Occlusal contact point

Question 9

During pulpal inflammation,arterial walls collapse and the venous walls remain intact because arterial walls are thicker than the walls of veins.

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.

Question 10

MATCHING
Evaluation of existing conditions requires that the dental professional understand preventive and restorative clinical considerations.Match the dental condition with the appropriate description.
-Pulpal walls

Accepted Answer

A)  Phenomenon of permanent molars moving mesially after eruption
B)  Causes tooth mobility
C)  Lined with dentin
D)  Tooth over-erupts in an attempt to "find" its antagonist
E)  Small opening into pulp cavity at tip of root

Question 11

Occlusal trauma results in mobility of the affected teeth as well as migration and tipping of affected teeth.Although migrated teeth cause restorative dental problems,damage to the periodontium rarely occurs.

Accepted Answer

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

Question 12

MATCHING
Evaluation of existing conditions requires that the dental professional understand preventive and restorative clinical considerations.Match the dental condition with the appropriate description.
-Apical foramen

Accepted Answer

A)  Phenomenon of permanent molars moving mesially after eruption
B)  Causes tooth mobility
C)  Lined with dentin
D)  Tooth over-erupts in an attempt to "find" its antagonist
E)  Small opening into pulp cavity at tip of root

Question 13

Which is the most common initial response to gingival recession?

Accepted Answer

A)   Gingival inflammation
B)   Plaque formation
C)   Tooth sensitivity
D)   Stain formation

Question 14

If a mandibular first molar is lost,the mandibular second molar will

Accepted Answer

A)   develop decay
B)   supra-erupt
C)   drift mesially
D)   drift distally
E)   None of the above

Question 15

A temporary crown can prevent mesial drift.

Accepted Answer

A) True 
 B)False

Question 16

After placing a restoration,the dentist and auxiliary should check a patient's bite by having the patient chew a thin piece of sugarless gum because checking the bite ensures that no part of the restoration is hitting prematurely.

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.

Question 17

Pulpal tissue cannot expand because the pulp is encased in hard dentinal tissue that makes expansion virtually impossible.

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.

Question 18

Each of the following is a common result of occlusal trauma EXCEPT for one.Which one is the EXCEPTION?

Accepted Answer

A)   Muscle pain
B)   Tighter contact areas
C)   Nerve trauma
D)   Periodontal pocketing

Question 19

When a tooth has no antagonist in the opposing arch,the tooth can

Accepted Answer

A)   over-erupt
B)   develop periodontal disease
C)   develop dental caries
D)   develop occlusal trauma
E)   All of the above

Question 20

To some degree,prevention of periodontal disease is attributable to the smoothness of cementum because bacteria that initiate gingival and periodontal diseases are prevented from accumulating on smooth surfaces.

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.

Exam 9: Clinical Considerations

Tooth migration can begin with 24 hours of an extraction.Tooth migration,otherwise known as mesial drift,of teeth is a natural phenomenon.

Which of the following contribute to dental caries and periodontal disease (Select all that apply. ) ?

Which of the following accurately describe preventive clinical considerations of existing dental conditions (Select all that apply. ) ?

An ideal situation is to have all teeth occlude equally on closure of the jaw because this pattern allows dissipation of occlusal forces over all of teeth.

In protrusive occlusion,only the anterior teeth occlude.

Sealants are most effective in preventing decay in

Dentinal surfaces are rarely exposed during root planing because the envelope of cementum covering the root is quite thick.

When restoring the anatomy of a decayed tooth each of the following should be recreated EXCEPT one.Which one is the EXCEPTION?

During pulpal inflammation,arterial walls collapse and the venous walls remain intact because arterial walls are thicker than the walls of veins.

MATCHING Evaluation of existing conditions requires that the dental professional understand preventive and restorative clinical considerations.Match the dental condition with the appropriate description. -Pulpal walls

Occlusal trauma results in mobility of the affected teeth as well as migration and tipping of affected teeth.Although migrated teeth cause restorative dental problems,damage to the periodontium rarely occurs.

MATCHING Evaluation of existing conditions requires that the dental professional understand preventive and restorative clinical considerations.Match the dental condition with the appropriate description. -Apical foramen

Which is the most common initial response to gingival recession?

If a mandibular first molar is lost,the mandibular second molar will

A temporary crown can prevent mesial drift.

After placing a restoration,the dentist and auxiliary should check a patient's bite by having the patient chew a thin piece of sugarless gum because checking the bite ensures that no part of the restoration is hitting prematurely.

Pulpal tissue cannot expand because the pulp is encased in hard dentinal tissue that makes expansion virtually impossible.

Each of the following is a common result of occlusal trauma EXCEPT for one.Which one is the EXCEPTION?

When a tooth has no antagonist in the opposing arch,the tooth can

To some degree,prevention of periodontal disease is attributable to the smoothness of cementum because bacteria that initiate gingival and periodontal diseases are prevented from accumulating on smooth surfaces.