1|Page
EFDA FINAL EXAM STUDY GUIDE|2025-2026 LATEST UPDATED|
REAL EXAM QUESTIONS AND ANSWERS | 100% RATED CORRECT |
100% VERFIED SOLUTIONS | ALREADY GRADED A+
Wear resistance of hybrid composites is equal and occasionally superior to the
microfill composite.
a. True
b. False - (answer)a. True
Hottel p. 176
________ is much more difficult to bond to than enamel because it contains low
surface energy and it is porous.
a. Dentin
b. Glass Ionomer
c. Cementum
d. All of the above - (answer)a. Dentin
Hottel p. 178
,2|Page
Composite resin is placed starting at the ______ portion of the cavity (proximal
box). - (answer)Deepest
Hottel p. 181
Waiting ____ minutes before finishing improves wear rate significantly
a. 15
b. 16
c. 10
d. 12 - (answer)a. 15 minutes
Hottel p. 182
Margins of Class II composite resin restorations placed without the use of a rubber
dam demonstrate marginal leakage _______ weeks after placement.
a. 2 to 4 weeks
,3|Page
b. 1 to 2 weeks
c. 4 to 6 weeks - (answer)c. 4 to 6 weeks
Hottel p. 177
Conserving tooth structure is possible with _______ preparations. -
(answer)Modified
Hottel pg 177
The etched area should exhibit a ______ appearance. - (answer)Frosted
Hottel pg 179
Occlusal wear can cause what of the opposing teeth? - (answer)Over-eruption
Hottel p. 176
, 4|Page
A slight bevel of _____ may be used on the facial/lingual margins to enhance
finishing.
a. 0.05mm
b. 0.5mm
c. 5mm - (answer)b. 0.5mm
Hottel p. 177
Acid-etched enamel must be washed for how many seconds?
a. 20 seconds
b. 10 seconds
c. 30 seconds - (answer)b. 10 seconds
Hottel p. 179
Composite materials are rather viscous, sometimes sticky and can be condensed to
build up a firm contact point.
EFDA FINAL EXAM STUDY GUIDE|2025-2026 LATEST UPDATED|
REAL EXAM QUESTIONS AND ANSWERS | 100% RATED CORRECT |
100% VERFIED SOLUTIONS | ALREADY GRADED A+
Wear resistance of hybrid composites is equal and occasionally superior to the
microfill composite.
a. True
b. False - (answer)a. True
Hottel p. 176
________ is much more difficult to bond to than enamel because it contains low
surface energy and it is porous.
a. Dentin
b. Glass Ionomer
c. Cementum
d. All of the above - (answer)a. Dentin
Hottel p. 178
,2|Page
Composite resin is placed starting at the ______ portion of the cavity (proximal
box). - (answer)Deepest
Hottel p. 181
Waiting ____ minutes before finishing improves wear rate significantly
a. 15
b. 16
c. 10
d. 12 - (answer)a. 15 minutes
Hottel p. 182
Margins of Class II composite resin restorations placed without the use of a rubber
dam demonstrate marginal leakage _______ weeks after placement.
a. 2 to 4 weeks
,3|Page
b. 1 to 2 weeks
c. 4 to 6 weeks - (answer)c. 4 to 6 weeks
Hottel p. 177
Conserving tooth structure is possible with _______ preparations. -
(answer)Modified
Hottel pg 177
The etched area should exhibit a ______ appearance. - (answer)Frosted
Hottel pg 179
Occlusal wear can cause what of the opposing teeth? - (answer)Over-eruption
Hottel p. 176
, 4|Page
A slight bevel of _____ may be used on the facial/lingual margins to enhance
finishing.
a. 0.05mm
b. 0.5mm
c. 5mm - (answer)b. 0.5mm
Hottel p. 177
Acid-etched enamel must be washed for how many seconds?
a. 20 seconds
b. 10 seconds
c. 30 seconds - (answer)b. 10 seconds
Hottel p. 179
Composite materials are rather viscous, sometimes sticky and can be condensed to
build up a firm contact point.
