Ohio efda board prep hottle book UPDATED
ACTUAL Exam Questions and CORRECT
Answers
For maxillary teeth what position should the patient be in - CORRECT ANSWER Supine
what is the most common grasp - CORRECT ANSWER The pen grasp and the modified
pen grasp
how to stabilize the rubber dam - CORRECT ANSWER ligating the tooth farthest from
the clamped tooth
what are bases and liners used for - CORRECT ANSWER bases and liners are used to
protect the pulp or to aid in its recovery, or both.
What is pulpitis? - CORRECT ANSWER Inflammation of the pulp
A minimal depth restoration - CORRECT ANSWER extends about 0.5mm- 1.5mm into
dentin
moderate depth - CORRECT ANSWER 1mm into dentin, but more than 0.5mm from the
pulp
Near pulpal exposure - CORRECT ANSWER less than 0.5mm away from the pulp
what is the criteria for a cavity varnish - CORRECT ANSWER used to protect the pulp
from being adversely affected by materials
, normal bond strength for glass ionomer is greater than of zinc phosphate - CORRECT
ANSWER true
Silver - CORRECT ANSWER 41% - 71% combines easily with mercury
copper - CORRECT ANSWER lower copper; less than 9% high copper; 12-30%.
Decrease expansion ( creep) less marginal breakdown
Tin - CORRECT ANSWER 15-30% aids in combining the mercury with the alloy
zinc - CORRECT ANSWER 0-1% prevents oxidation during the manufacturing process
reduces brittleness
combination of tin and mercury result in - CORRECT ANSWER gamma 2 phase, which
leads to increase in flow and corrosion and a decrease in strength that predisposes the restoration
to fracture
what is creep - CORRECT ANSWER creep is the slow change inn dimensions of the
amaglam due to prolonged exposure to stress
what happens when amalgam get contaminated with moisture - CORRECT
ANSWER bubbles of hydrogen from the water cause excessive delayed expansion
the compressive strength of amalgam 20 mins after placement - CORRECT ANSWER 6%
what is the vice - CORRECT ANSWER is a box shaped at the lower end of the retainer
that has an opening for threaded spindle to move in and out of.
what functions as a receptacle for the side and ends of the matrix - CORRECT
ANSWER guide slot in the vice
ACTUAL Exam Questions and CORRECT
Answers
For maxillary teeth what position should the patient be in - CORRECT ANSWER Supine
what is the most common grasp - CORRECT ANSWER The pen grasp and the modified
pen grasp
how to stabilize the rubber dam - CORRECT ANSWER ligating the tooth farthest from
the clamped tooth
what are bases and liners used for - CORRECT ANSWER bases and liners are used to
protect the pulp or to aid in its recovery, or both.
What is pulpitis? - CORRECT ANSWER Inflammation of the pulp
A minimal depth restoration - CORRECT ANSWER extends about 0.5mm- 1.5mm into
dentin
moderate depth - CORRECT ANSWER 1mm into dentin, but more than 0.5mm from the
pulp
Near pulpal exposure - CORRECT ANSWER less than 0.5mm away from the pulp
what is the criteria for a cavity varnish - CORRECT ANSWER used to protect the pulp
from being adversely affected by materials
, normal bond strength for glass ionomer is greater than of zinc phosphate - CORRECT
ANSWER true
Silver - CORRECT ANSWER 41% - 71% combines easily with mercury
copper - CORRECT ANSWER lower copper; less than 9% high copper; 12-30%.
Decrease expansion ( creep) less marginal breakdown
Tin - CORRECT ANSWER 15-30% aids in combining the mercury with the alloy
zinc - CORRECT ANSWER 0-1% prevents oxidation during the manufacturing process
reduces brittleness
combination of tin and mercury result in - CORRECT ANSWER gamma 2 phase, which
leads to increase in flow and corrosion and a decrease in strength that predisposes the restoration
to fracture
what is creep - CORRECT ANSWER creep is the slow change inn dimensions of the
amaglam due to prolonged exposure to stress
what happens when amalgam get contaminated with moisture - CORRECT
ANSWER bubbles of hydrogen from the water cause excessive delayed expansion
the compressive strength of amalgam 20 mins after placement - CORRECT ANSWER 6%
what is the vice - CORRECT ANSWER is a box shaped at the lower end of the retainer
that has an opening for threaded spindle to move in and out of.
what functions as a receptacle for the side and ends of the matrix - CORRECT
ANSWER guide slot in the vice
