OHIO EFDA BOARD PREP HOTTLE
BOOK EXAM WITH CORRECT
QUESTIONS AND ANSWERS 2025
For maxillary teeth what position should the patient be in - CORRECT-
ANSWERSSupine
what is the most common grasp - CORRECT-ANSWERSThe pen grasp and the modified
pen grasp
how to stabilize the rubber dam - CORRECT-ANSWERSligating the tooth farthest from
the clamped tooth
what are bases and liners used for - CORRECT-ANSWERSbases and liners are used to
protect the pulp or to aid in its recovery, or both.
What is pulpitis? - CORRECT-ANSWERSInflammation of the pulp
A minimal depth restoration - CORRECT-ANSWERSextends about 0.5mm- 1.5mm into
dentin
moderate depth - CORRECT-ANSWERS1mm into dentin, but more than 0.5mm from the
pulp
Near pulpal exposure - CORRECT-ANSWERSless than 0.5mm away from the pulp
, what is the criteria for a cavity varnish - CORRECT-ANSWERSused to protect the pulp
from being adversely affected by materials
normal bond strength for glass ionomer is greater than of zinc phosphate - CORRECT-
ANSWERStrue
Silver - CORRECT-ANSWERS41% - 71% combines easily with mercury
copper - CORRECT-ANSWERSlower copper; less than 9% high copper; 12-30%.
Decrease expansion ( creep) less marginal breakdown
Tin - CORRECT-ANSWERS15-30% aids in combining the mercury with the alloy
zinc - CORRECT-ANSWERS0-1% prevents oxidation during the manufacturing process
reduces brittleness
combination of tin and mercury result in - CORRECT-ANSWERSgamma 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-ANSWERScreep is the slow change inn dimensions of the
amaglam due to prolonged exposure to stress
what happens when amalgam get contaminated with moisture - CORRECT-
ANSWERSbubbles of hydrogen from the water cause excessive delayed expansion
BOOK EXAM WITH CORRECT
QUESTIONS AND ANSWERS 2025
For maxillary teeth what position should the patient be in - CORRECT-
ANSWERSSupine
what is the most common grasp - CORRECT-ANSWERSThe pen grasp and the modified
pen grasp
how to stabilize the rubber dam - CORRECT-ANSWERSligating the tooth farthest from
the clamped tooth
what are bases and liners used for - CORRECT-ANSWERSbases and liners are used to
protect the pulp or to aid in its recovery, or both.
What is pulpitis? - CORRECT-ANSWERSInflammation of the pulp
A minimal depth restoration - CORRECT-ANSWERSextends about 0.5mm- 1.5mm into
dentin
moderate depth - CORRECT-ANSWERS1mm into dentin, but more than 0.5mm from the
pulp
Near pulpal exposure - CORRECT-ANSWERSless than 0.5mm away from the pulp
, what is the criteria for a cavity varnish - CORRECT-ANSWERSused to protect the pulp
from being adversely affected by materials
normal bond strength for glass ionomer is greater than of zinc phosphate - CORRECT-
ANSWERStrue
Silver - CORRECT-ANSWERS41% - 71% combines easily with mercury
copper - CORRECT-ANSWERSlower copper; less than 9% high copper; 12-30%.
Decrease expansion ( creep) less marginal breakdown
Tin - CORRECT-ANSWERS15-30% aids in combining the mercury with the alloy
zinc - CORRECT-ANSWERS0-1% prevents oxidation during the manufacturing process
reduces brittleness
combination of tin and mercury result in - CORRECT-ANSWERSgamma 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-ANSWERScreep is the slow change inn dimensions of the
amaglam due to prolonged exposure to stress
what happens when amalgam get contaminated with moisture - CORRECT-
ANSWERSbubbles of hydrogen from the water cause excessive delayed expansion
