ACTUAL CORRECT QUESTIONS AND
VERIFIED DETAILED ANSWERS
|FREQUENTLY TESTED QUESTIONS AND
SOLUTIONS |ALREADY GRADED
A+|NEWEST|BRAND NEW
VERSION!!|GUARANTEED PASS
True or false: a second finger is used as a fulcrum
False
A carver should be adapted at a __________ degree angle to the surface being carved.
90
What is the function of the index finger in the modified pen grasp
holds the instrument handle opposite the thumb
How does the EFDA accomplish activation (movement) of an instrument in order to avoid
muscle cramping and fatigue?
Moving the hand, wrist and forearm as one unit, keeping a secure fulcrum
What are the advantages of working in a dry field?
Better visibility, prep stays clean and dry, Materials develop properly and easier access for
placement of materials
True or false: in a proper operating field the teeth are accessible and dry in the surrounding soft
tissues are isolated from the operating site
True
Is the oldest method used for retraction and dryness and are recommended for isolation during
short periods
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, Cotton rolls
Cotton rules are placed in the vestibule or floor of the mouth adjacent to the operating sites.
They will absorb saliva from what salivary ducts
Parotid and sublingual
Disadvantage of cotton roll isolation
Must be changed frequently, risk of contamination when changing, limited retraction, does not
protect patient
How many advantages to using rubber dam
6
Dryness ensured during all steps of the cavity preparation and restorative procedure when you
use this type of isolation
Rubber dam
The most common listed disadvantage of using the rubber dam
Time in placing
All rubber dam clamps have this in common
Jaw, forcep holes, points, bow
What should be attached to the clamp prior to placement to minimize accidental aspiration
Floss
When applying a rubber dam for a complete isolation of teeth, the EFDA will need to _____ the
dam
Invert
When removing the rubber dam, the septum portion of the dam is
Cut
If you were restoring tooth 20 which teeth should be isolated with the rubber dam
19-22
What part is key to stabilization of the rubber dam
Rubber dam clamp
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