EFDA FINAL EXAM PRACTICE
QUESTIONS WITH 100% CORRECT
ANSWERS
________ are used to condense or adapt amalgams, composite
resins, and temporary filling materials into cavity preparations -
correct answer- compactors
__________ is the actual movement of the instrument -
correct answer- Activation
A _______ is any linear elevation on the surface of a tooth -
correct answer- ridge
A class V lesion is also thought of as a smooth surface lesion, and
can occur on an anterior or posterior tooth; in either a lingual or
buccal/facial location - correct answer- True
A general guideline to placing a rubber dam is to isolate at least
____ tooth distal, and _____ teeth mesial to the tooth being
restored. - correct answer- one tooth distal, two
teeth mesial
,A pit is - correct answer- an incomplete closure of the
enamel
A right handed operator would function best in the ________
position? - correct answer- 8 to 12 o'clock
A strong stream of air that can dry the dentin and injure the pulp
- correct answer- desiccation
A term indicating the gradual loss of tooth structure along the
biting surface due to occlusal wear - correct answer-
attrition
A thin soft tissue that is loosely attached to the underlying bone
- correct answer- alveolar mucosa
Acid etch removes the _______ layer prior to resin placement -
correct answer- smear
Amalgam that contains more than ______ mercury is considered
to be "mercury-rich" - correct answer- 54%
,An acceptable thickness of calcium hydroxide is about .5mm -
correct answer- True
Any material placed as a THICK layer between the restorative
material and the dentin may be referred to as a ______. -
correct answer- base
As a general guideline, pins are placed entirely within dentin at a
depth of ___ into dentin and extend ___ out of dentin to aid in
the retention of the large amalgam - correct answer-
2mm/2mm
Bases that are used to protect the pulp from the pressures
exerted on it during amalgam placement (condensing) -
correct answer- reinforcers
Because of its exothermic (heat releasing) properties, it is
necessary to mix Dycal on a cool glass slab - correct
answer- False
zinc phosphate
Because the setting reaction of this product is exothermic, the
pulp should be protected by using varnish or a non-irritating
, liner base between this and the dentin. This product is -
correct answer- zinc phosphate
Carious lesions located on the proximal surfaces of anterior
teeth that ALSO involve the incisal edge are - correct
answer- Class IV
Carious lesions that are located on the GINGIVAL third of the
facial and lingual surfaces (smooth surface lesions) of anterior
and posterior teeth are - correct answer- Class V
Composite resin that has been modified with glass ionomer
components in order to release fluoride - correct
answer- compomers
Contact points are found between which teeth? - correct
answer- distal of central incisors and mesial of lateral
incisors
Conventional large particle composite resins contain ____ to
____ inorganic filler by weight. - correct answer- 75-
80%
QUESTIONS WITH 100% CORRECT
ANSWERS
________ are used to condense or adapt amalgams, composite
resins, and temporary filling materials into cavity preparations -
correct answer- compactors
__________ is the actual movement of the instrument -
correct answer- Activation
A _______ is any linear elevation on the surface of a tooth -
correct answer- ridge
A class V lesion is also thought of as a smooth surface lesion, and
can occur on an anterior or posterior tooth; in either a lingual or
buccal/facial location - correct answer- True
A general guideline to placing a rubber dam is to isolate at least
____ tooth distal, and _____ teeth mesial to the tooth being
restored. - correct answer- one tooth distal, two
teeth mesial
,A pit is - correct answer- an incomplete closure of the
enamel
A right handed operator would function best in the ________
position? - correct answer- 8 to 12 o'clock
A strong stream of air that can dry the dentin and injure the pulp
- correct answer- desiccation
A term indicating the gradual loss of tooth structure along the
biting surface due to occlusal wear - correct answer-
attrition
A thin soft tissue that is loosely attached to the underlying bone
- correct answer- alveolar mucosa
Acid etch removes the _______ layer prior to resin placement -
correct answer- smear
Amalgam that contains more than ______ mercury is considered
to be "mercury-rich" - correct answer- 54%
,An acceptable thickness of calcium hydroxide is about .5mm -
correct answer- True
Any material placed as a THICK layer between the restorative
material and the dentin may be referred to as a ______. -
correct answer- base
As a general guideline, pins are placed entirely within dentin at a
depth of ___ into dentin and extend ___ out of dentin to aid in
the retention of the large amalgam - correct answer-
2mm/2mm
Bases that are used to protect the pulp from the pressures
exerted on it during amalgam placement (condensing) -
correct answer- reinforcers
Because of its exothermic (heat releasing) properties, it is
necessary to mix Dycal on a cool glass slab - correct
answer- False
zinc phosphate
Because the setting reaction of this product is exothermic, the
pulp should be protected by using varnish or a non-irritating
, liner base between this and the dentin. This product is -
correct answer- zinc phosphate
Carious lesions located on the proximal surfaces of anterior
teeth that ALSO involve the incisal edge are - correct
answer- Class IV
Carious lesions that are located on the GINGIVAL third of the
facial and lingual surfaces (smooth surface lesions) of anterior
and posterior teeth are - correct answer- Class V
Composite resin that has been modified with glass ionomer
components in order to release fluoride - correct
answer- compomers
Contact points are found between which teeth? - correct
answer- distal of central incisors and mesial of lateral
incisors
Conventional large particle composite resins contain ____ to
____ inorganic filler by weight. - correct answer- 75-
80%
