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