QUESTIONS AND CORRECT ANSWERS 2
VERSIONS CURRENTLY TESTING
COMPLETE QUESTIONS WITH DETAILED
VERIFIED ANSWERS /ALREADY GRADED
A+
What is the function of the index finger in the modified
pen grasp - ....ANSWER...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? - ....ANSWER...Moving the hand, wrist and
forearm as one unit, keeping a secure fulcrum
What are the advantages of working in a dry field? -
....ANSWER...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 - ....ANSWER...True
Is the oldest method used for retraction and dryness and
are recommended for isolation during short periods -
....ANSWER...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 - ....ANSWER...Parotid
and sublingual
Disadvantage of cotton roll isolation - ....ANSWER...Must
be changed frequently, risk of contamination when
changing, limited retraction, does not protect patient
How many advantages to using rubber dam -
....ANSWER...6
Dryness ensured during all steps of the cavity preparation
and restorative procedure when you use this type of
isolation - ....ANSWER...Rubber dam
, The most common listed disadvantage of using the rubber
dam - ....ANSWER...Time in placing
All rubber dam clamps have this in common -
....ANSWER...Jaw, forcep holes, points, bow
What should be attached to the clamp prior to placement
to minimize accidental aspiration - ....ANSWER...Floss
When applying a rubber dam for a complete isolation of
teeth, the EFDA will need to _____ the dam -
....ANSWER...Invert
When removing the rubber dam, the septum portion of the
dam is - ....ANSWER...Cut
If you were restoring tooth 20 which teeth should be
isolated with the rubber dam - ....ANSWER...19-22
What part is key to stabilization of the rubber dam -
....ANSWER...Rubber dam clamp