Ohio efda board prep hottle book
exam questions and 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
,Ohio efda board prep hottle book
exam questions and answers
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
, Ohio efda board prep hottle book
exam questions and answers
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
exam questions and 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
,Ohio efda board prep hottle book
exam questions and answers
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
, Ohio efda board prep hottle book
exam questions and answers
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
