Ohio efda board prep hottle book Exam 104
Questions and Answers 2025
For maxillary teeth what position should the patient be in -
✔️Supine
what is the most common grasp -
✔️The pen grasp and the modified pen grasp
how to stabilize the rubber dam -
✔️ligating the tooth farthest from the clamped tooth
what are bases and liners used for -
✔️bases and liners are used to protect the pulp or to aid in its recovery, or both.
What is pulpitis? -
✔️Inflammation of the pulp
A minimal depth restoration -
✔️extends about 0.5mm- 1.5mm into dentin
moderate depth -
✔️1mm into dentin, but more than 0.5mm from the pulp
Near pulpal exposure -
✔️less than 0.5mm away from the pulp
what is the criteria for a cavity varnish -
✔️used to protect the pulp from being adversely affected by materials
normal bond strength for glass ionomer is greater than of zinc phosphate -
, ✔️true
Silver -
✔️41% - 71% combines easily with mercury
copper -
✔️lower copper; less than 9% high copper; 12-30%. Decrease expansion ( creep) less marginal
breakdown
Tin -
✔️15-30% aids in combining the mercury with the alloy
zinc - @i @i
@i ✔️0-1% prevents oxidation during the manufacturing process reduces brittleness
@i @i @i @i @i @i @i @i @i
combination of tin and mercury result in - @i @i @i @i @i @i @i @i
✔️gamma 2 phase, which leads to increase in flow and corrosion and a decrease in strength that predisp
@i @i @i @i @i @i @i @i @i @i @i @i @i @i @i @i @i @i @i
oses the restoration to fracture
@i @i @i @i
what is creep - @i @i @i @i
@i ✔️creep is the slow change inn dimensions of the amaglam due to prolonged exposure to stress
@i @i @i @i @i @i @i @i @i @i @i @i @i @i @i @i
what happens when amalgam get contaminated with moisture -
✔️bubbles of hydrogen from the water cause excessive delayed expansion
the compressive strength of amalgam 20 mins after placement -
✔️6%
what is the vice -
✔️is a box shaped at the lower end of the retainer that has an opening for threaded spindle to
move in and out of.
Questions and Answers 2025
For maxillary teeth what position should the patient be in -
✔️Supine
what is the most common grasp -
✔️The pen grasp and the modified pen grasp
how to stabilize the rubber dam -
✔️ligating the tooth farthest from the clamped tooth
what are bases and liners used for -
✔️bases and liners are used to protect the pulp or to aid in its recovery, or both.
What is pulpitis? -
✔️Inflammation of the pulp
A minimal depth restoration -
✔️extends about 0.5mm- 1.5mm into dentin
moderate depth -
✔️1mm into dentin, but more than 0.5mm from the pulp
Near pulpal exposure -
✔️less than 0.5mm away from the pulp
what is the criteria for a cavity varnish -
✔️used to protect the pulp from being adversely affected by materials
normal bond strength for glass ionomer is greater than of zinc phosphate -
, ✔️true
Silver -
✔️41% - 71% combines easily with mercury
copper -
✔️lower copper; less than 9% high copper; 12-30%. Decrease expansion ( creep) less marginal
breakdown
Tin -
✔️15-30% aids in combining the mercury with the alloy
zinc - @i @i
@i ✔️0-1% prevents oxidation during the manufacturing process reduces brittleness
@i @i @i @i @i @i @i @i @i
combination of tin and mercury result in - @i @i @i @i @i @i @i @i
✔️gamma 2 phase, which leads to increase in flow and corrosion and a decrease in strength that predisp
@i @i @i @i @i @i @i @i @i @i @i @i @i @i @i @i @i @i @i
oses the restoration to fracture
@i @i @i @i
what is creep - @i @i @i @i
@i ✔️creep is the slow change inn dimensions of the amaglam due to prolonged exposure to stress
@i @i @i @i @i @i @i @i @i @i @i @i @i @i @i @i
what happens when amalgam get contaminated with moisture -
✔️bubbles of hydrogen from the water cause excessive delayed expansion
the compressive strength of amalgam 20 mins after placement -
✔️6%
what is the vice -
✔️is a box shaped at the lower end of the retainer that has an opening for threaded spindle to
move in and out of.
