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Hottel EFDA Quizzes Combined |Certified
Exam Questions With Answers (2025)
When applying a rubber dam for a complete isolation of teeth, the EFDA will need
to _____ the dam - correct -answer-Invert
When removing the rubber dam, the septum portion of the dam is - correct -
answer-Cut
If you were restoring tooth 20 which teeth should be isolated with the rubber dam
- correct -answer-19-22
What part is key to stabilization of the rubber dam - correct -answer-Rubber dam
clamp
Where is the jaw of the clamp placed when it is properly placed on the tooth -
correct -answer-At the CEJ
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The jaw of a gingival retractor should be - correct -answer-Parallel with the
occlusal plane
Upon removing a gingival retractor, the EFDA must avoid touching the tooth, and
the ______ with the jaws of a retractor - correct -answer-Finished restoration
Which will best retract the gingival tissue when restoring a class V restoration -
correct -answer-Gingival retractor
Can you re-contour over carved restorations and is this an advantage or a
disadvantage of a polished amalgam over unpolished ones - correct -answer-No,
Disadvantage
What must you avoid when finishing proximal areas of amalgam restorations -
correct -answer-Damaging the contact area
What is an open margin - correct -answer-space between the restoration and the
tooth
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How many increments of amalgam should be placed in all cavity preparations,
even the smallest? - correct -answer-At least two increments.
Step one of placing any type of amalgam is always what - correct -answer-
Examine the prep
If you have an area on an amalgam restoration that is sub gingival, you should -
correct -answer-Remove the amalgam and start restoration over
Where would the EFDA placed the first layer of amalgam in an MO restoration of
tooth 18 - correct -answer-Least accessible area
What best defines a complex amalgam preparation - correct -answer-There is loss
of one or more cusps
You are evaluating the inclusion of the restored DB cusp on 19 DOB complex
amalgam restoration. What is the occlusion criteria for the restored DB cusp? -
correct -answer-The restored DB cusp should contact in centric occlusion if it is a
supporting cusp
Hottel EFDA Quizzes Combined |Certified
Exam Questions With Answers (2025)
When applying a rubber dam for a complete isolation of teeth, the EFDA will need
to _____ the dam - correct -answer-Invert
When removing the rubber dam, the septum portion of the dam is - correct -
answer-Cut
If you were restoring tooth 20 which teeth should be isolated with the rubber dam
- correct -answer-19-22
What part is key to stabilization of the rubber dam - correct -answer-Rubber dam
clamp
Where is the jaw of the clamp placed when it is properly placed on the tooth -
correct -answer-At the CEJ
,2|Page
The jaw of a gingival retractor should be - correct -answer-Parallel with the
occlusal plane
Upon removing a gingival retractor, the EFDA must avoid touching the tooth, and
the ______ with the jaws of a retractor - correct -answer-Finished restoration
Which will best retract the gingival tissue when restoring a class V restoration -
correct -answer-Gingival retractor
Can you re-contour over carved restorations and is this an advantage or a
disadvantage of a polished amalgam over unpolished ones - correct -answer-No,
Disadvantage
What must you avoid when finishing proximal areas of amalgam restorations -
correct -answer-Damaging the contact area
What is an open margin - correct -answer-space between the restoration and the
tooth
, 3|Page
How many increments of amalgam should be placed in all cavity preparations,
even the smallest? - correct -answer-At least two increments.
Step one of placing any type of amalgam is always what - correct -answer-
Examine the prep
If you have an area on an amalgam restoration that is sub gingival, you should -
correct -answer-Remove the amalgam and start restoration over
Where would the EFDA placed the first layer of amalgam in an MO restoration of
tooth 18 - correct -answer-Least accessible area
What best defines a complex amalgam preparation - correct -answer-There is loss
of one or more cusps
You are evaluating the inclusion of the restored DB cusp on 19 DOB complex
amalgam restoration. What is the occlusion criteria for the restored DB cusp? -
correct -answer-The restored DB cusp should contact in centric occlusion if it is a
supporting cusp
