5428715
Question 1
Question
Which of the following are components of the outline form?
Answer
-
.5mm into dentin
-
1mm FL width
-
FL walls slightly acute
-
integrity of marginal and oblique ridges when decay is not present
Question 2
Question
Which of the following lesions would be considered a Class I?
Answer
-
Occlusal surface of #19
-
Lingual of 9 on cingulum
-
Occlusal of 13
-
Facial groove of 31
-
Decay on facial surface, apical 1/3rd of 3
Question 3
Question
Which the of the following are components of the primary resistance form?
Answer
-
smooth pulpal floor
-
obtuse mesial and distal walls if present
-
acute facial and lingual walls
-
integrity of marginal and oblique ridges
-
removal of unsupported enamel
Question 4
Question
The purpose of resistance form it to resist the forces of mastication in order to prevent fracture of remaining tooth and the restorative material used. Convenience form allows for modification of the ideal outline form to ensure removal of all decay.
Answer
-
T/T
-
T/F
-
F/T
-
F/F
Question 5
Question
The cavosurface finish for amalgams are always 90 degree butt joints. Minimum depth for amalgam is always 1.7mm, even if that means exceeding .5mm into dentin.
Answer
-
T/T
-
T/F
-
F/T
-
F/F
Question 6
Question
Which of the following are internal walls?
Answer
-
pulpal
-
axial
-
mesial
-
distal
-
lingual
Question 7
Question
The axial wall is perpendicular to the long axis of the tooth. The pulpal wall is parallel to the long axis of the tooth
Answer
-
T/T
-
T/F
-
F/T
-
F/F
Question 8
Question
Which of the following is not an objective of tooth preparation?
Answer
-
Esthetics and color
-
removal of defects
-
conservation of natural structure
-
withstand forces of mastication
-
functional placement of restorative material
Question 9
Question
Which of the following are benefits of using a rubber dam?
Answer
-
Moisture control
-
Reduction of contamination
-
Prevention of aspiration/swallowing of foreign bodies by patient
-
Patient cannot talk to you
-
Cheek retraction, protection of soft tissues
Question 10
Question
Why would you not use a rubber dam?
Answer
-
Patient phobia
-
Patient has a cold
-
Too many missing or broken teeth
-
Teeth are very crooked (malposed)
-
Patient has asthma
Question 11
Question
Order of removal of rubber dam?
Answer
-
cut interproximals, remove the rubber dam holder, then the clamp, then gingerly pull the dam off
-
cut interproximals, then remove the clamp with the rubber dam still attached to the holder as a single unit
-
cut interproximals, cut ligating floss, remove clamp, remove dam holder, then remove the dam
-
Remove the clamp, remove the holder, then pull the dam off
-
It doesn't really matter. Do whatever as long as you leave no dam behind.
Question 12
Question
The rubber dam clamp jaws must go below the height of contour. The bow faces anteriorly.
Answer
-
T/T
-
T/F
-
F/T
-
F/F
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