PA EFDA BOARDS QUESTIONS AND ANSWERS
(100% PASS)
"Stretching dam too tightly will cause - CORRECT ANSWER The dam to pull off and expose
teeth."
"What do you use to stabilized the dental damn? - CORRECT ANSWER A piece of floss by
gating the tooth farthest from the clamped tooth."
"The first step in removing a dental dam? - CORRECT ANSWER Free the interdental dam with
scissors."
"Resin cements are used as - CORRECT ANSWER Liners in preparations and are more common
than varnishes."
"Resin cements cannot be used for - CORRECT ANSWER Direct pulp capping as it can cause
irritation."
"Fluoride in water - CORRECT ANSWER 1 part per 1 million"
"Cavity varnish is applied with a - CORRECT ANSWER Micro Brush"
"Designed top provide some thermal protection .. - CORRECT ANSWER Glass Ionomer"
"Can be acid etched at the same time to achieve retention around the untied prep. - CORRECT
ANSWER Glass ionomer"
"Can be used as an estheic restoration .. - CORRECT ANSWER Glass ionomer"
"Bonds well to a tooth structure and releases fluoride to resist recurrent decay.. - CORRECT
ANSWER Glass ionomer"
"A combinations of both macrofill and microfill. They are used both in anterior and posterior
areas of the mouth.. - CORRECT ANSWER Hybrid composites"
"East to place , reach small pieces ,and esthetic. Disadvantages are they are not strong and cannot
fill large preps. - CORRECT ANSWER Flowable composites"
1|P ag e
,"An abnormal horizontal distance between the labial surface of the mandibular anterior teeth
and the labial surface of the maxillary anterior teeth is? - CORRECT ANSWER Overjet"
"Amalgam made from a combination of metals is referred to as an - CORRECT ANSWER Alloy"
"Metals commonly found in amalgam is; - CORRECT ANSWER Sliver, tin copper and zinc"
"The mixing process is called - CORRECT ANSWER Trifurcation"
"Leads to a increase in flow and corrosion and decrease strength . - CORRECT ANSWER
Gamma 2 phase"
"Amalgam break down also called - CORRECT ANSWER Creep"
"Moisture greatly increases the amount of expansion in the alloy sand is even more pronounced
in zinc containing alloys. - CORRECT ANSWER Contamination"
"Produces drier mix, and lacks cohesiveness to mass when it is placed, reduces amalgam
strength.. - CORRECT ANSWER Under trituration"
"Results pin porosity or voids thats decreases strength . Results in excess mercury that. Weakens
the amalgam restoration and leaves it more susceptible to corrosion and tarnish .. - CORRECT
ANSWER Inadequate consecration force"
"Occurs when dissimilar metals in the mouth, such as silver amalgam restoration against gold
restoration, act like a battery and upon contact, conduct an electric current resulting in pain. -
CORRECT ANSWER Galvanism"
"Area Where the Root Divides. - CORRECT ANSWER Furcation."
"The actual division into 2 OR more roots.. - CORRECT ANSWER Furrow"
"Same Arch Touches Or Meets... - CORRECT ANSWER Contact Area."
"Contact Area
=
Two Purposes.. - CORRECT ANSWER 1) Food Trap (Prevent)
2) Stabilize Dental Arches."
"What can eliminate a contact area? - CORRECT ANSWER Tooth Movement.
2|P ag e
, Loss of Teeth.
Poorly contoured Restorations."
"Good Contact
= - CORRECT ANSWER Stabilizes the teeth to prevent drifting or tipping and protect soft
tissues."
"No Contact
= - CORRECT ANSWER Food Impaction resulting in tissue damage and Plaque Build Up."
"Continuous with the inter-proximal space between the teeth.. - CORRECT ANSWER
Embrasures."
"Covers the anatomical Crown of the Tooth and Varies in Thickness in Different Area's of the
tooth... - CORRECT ANSWER Enamel."
"Enamel is thicker at .. - CORRECT ANSWER The Incisal and Occulusal Surface."
"Hardest tissue in the body and is very brittle... - CORRECT ANSWER Enamel."
"What color is enamel? - CORRECT ANSWER Yellowish white to grayish white, but also
depends on the underlying dentin."
"Enamel is composed of rods (prisms) that are formed as cells called.. - CORRECT ANSWER
Ameloblasts."
"Dentin is distinguished by enamel by.. - CORRECT ANSWER Dentin = Dull flat appearance.
Enamel= translucent and shiny."
"With Explorer (when scratched)
Dentin =
Enamel= - CORRECT ANSWER Dentin = Dull Sound.
Enamel= High Pitch."
"Formed by cells called odontoblasts and develops with the pulp from dental papilla of the tooth
bud... - CORRECT ANSWER Dentin."
"3 Major Types of Dentin... - CORRECT ANSWER 1)Primary.
3|P ag e
(100% PASS)
"Stretching dam too tightly will cause - CORRECT ANSWER The dam to pull off and expose
teeth."
"What do you use to stabilized the dental damn? - CORRECT ANSWER A piece of floss by
gating the tooth farthest from the clamped tooth."
"The first step in removing a dental dam? - CORRECT ANSWER Free the interdental dam with
scissors."
"Resin cements are used as - CORRECT ANSWER Liners in preparations and are more common
than varnishes."
"Resin cements cannot be used for - CORRECT ANSWER Direct pulp capping as it can cause
irritation."
"Fluoride in water - CORRECT ANSWER 1 part per 1 million"
"Cavity varnish is applied with a - CORRECT ANSWER Micro Brush"
"Designed top provide some thermal protection .. - CORRECT ANSWER Glass Ionomer"
"Can be acid etched at the same time to achieve retention around the untied prep. - CORRECT
ANSWER Glass ionomer"
"Can be used as an estheic restoration .. - CORRECT ANSWER Glass ionomer"
"Bonds well to a tooth structure and releases fluoride to resist recurrent decay.. - CORRECT
ANSWER Glass ionomer"
"A combinations of both macrofill and microfill. They are used both in anterior and posterior
areas of the mouth.. - CORRECT ANSWER Hybrid composites"
"East to place , reach small pieces ,and esthetic. Disadvantages are they are not strong and cannot
fill large preps. - CORRECT ANSWER Flowable composites"
1|P ag e
,"An abnormal horizontal distance between the labial surface of the mandibular anterior teeth
and the labial surface of the maxillary anterior teeth is? - CORRECT ANSWER Overjet"
"Amalgam made from a combination of metals is referred to as an - CORRECT ANSWER Alloy"
"Metals commonly found in amalgam is; - CORRECT ANSWER Sliver, tin copper and zinc"
"The mixing process is called - CORRECT ANSWER Trifurcation"
"Leads to a increase in flow and corrosion and decrease strength . - CORRECT ANSWER
Gamma 2 phase"
"Amalgam break down also called - CORRECT ANSWER Creep"
"Moisture greatly increases the amount of expansion in the alloy sand is even more pronounced
in zinc containing alloys. - CORRECT ANSWER Contamination"
"Produces drier mix, and lacks cohesiveness to mass when it is placed, reduces amalgam
strength.. - CORRECT ANSWER Under trituration"
"Results pin porosity or voids thats decreases strength . Results in excess mercury that. Weakens
the amalgam restoration and leaves it more susceptible to corrosion and tarnish .. - CORRECT
ANSWER Inadequate consecration force"
"Occurs when dissimilar metals in the mouth, such as silver amalgam restoration against gold
restoration, act like a battery and upon contact, conduct an electric current resulting in pain. -
CORRECT ANSWER Galvanism"
"Area Where the Root Divides. - CORRECT ANSWER Furcation."
"The actual division into 2 OR more roots.. - CORRECT ANSWER Furrow"
"Same Arch Touches Or Meets... - CORRECT ANSWER Contact Area."
"Contact Area
=
Two Purposes.. - CORRECT ANSWER 1) Food Trap (Prevent)
2) Stabilize Dental Arches."
"What can eliminate a contact area? - CORRECT ANSWER Tooth Movement.
2|P ag e
, Loss of Teeth.
Poorly contoured Restorations."
"Good Contact
= - CORRECT ANSWER Stabilizes the teeth to prevent drifting or tipping and protect soft
tissues."
"No Contact
= - CORRECT ANSWER Food Impaction resulting in tissue damage and Plaque Build Up."
"Continuous with the inter-proximal space between the teeth.. - CORRECT ANSWER
Embrasures."
"Covers the anatomical Crown of the Tooth and Varies in Thickness in Different Area's of the
tooth... - CORRECT ANSWER Enamel."
"Enamel is thicker at .. - CORRECT ANSWER The Incisal and Occulusal Surface."
"Hardest tissue in the body and is very brittle... - CORRECT ANSWER Enamel."
"What color is enamel? - CORRECT ANSWER Yellowish white to grayish white, but also
depends on the underlying dentin."
"Enamel is composed of rods (prisms) that are formed as cells called.. - CORRECT ANSWER
Ameloblasts."
"Dentin is distinguished by enamel by.. - CORRECT ANSWER Dentin = Dull flat appearance.
Enamel= translucent and shiny."
"With Explorer (when scratched)
Dentin =
Enamel= - CORRECT ANSWER Dentin = Dull Sound.
Enamel= High Pitch."
"Formed by cells called odontoblasts and develops with the pulp from dental papilla of the tooth
bud... - CORRECT ANSWER Dentin."
"3 Major Types of Dentin... - CORRECT ANSWER 1)Primary.
3|P ag e
