OHIO EFDA board prep hottle book Exam Questions with Correct Answers 100% Verified By
Experts| 2025/2026 Latest Update
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 0-1% prevents oxidation during the manufacturing process reduces brittleness
combination of tin and mercury result in 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 creep is the slow change inn dimensions of the amaglam due to prolonged
exposure to stress
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.
what functions as a receptacle for the side and ends of the matrix guide slot in the vice
where will the larger diameter of the band be placed larger openings best adapt to the
occlusal poration of the tooth crown. when the smaller openin adapts to the constricted cereal
portion of the crown.
The junction of two walls within a cavity prepartion is known as ? Line angle
Most amalgam contains approximatelly what perecent of mercury ? 50%
Experts| 2025/2026 Latest Update
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 0-1% prevents oxidation during the manufacturing process reduces brittleness
combination of tin and mercury result in 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 creep is the slow change inn dimensions of the amaglam due to prolonged
exposure to stress
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.
what functions as a receptacle for the side and ends of the matrix guide slot in the vice
where will the larger diameter of the band be placed larger openings best adapt to the
occlusal poration of the tooth crown. when the smaller openin adapts to the constricted cereal
portion of the crown.
The junction of two walls within a cavity prepartion is known as ? Line angle
Most amalgam contains approximatelly what perecent of mercury ? 50%