1 | P a g e | © copyright 2026/2027 Grade A+
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EFDA Exam Review Questions and
Answers (100% Pass)
Dental arch wires are held in place by
✓ Ligature ties and elastomeric ties
Which type of cement is preferred for cementation of ceramic veneers?
✓ Composite Resin
The plastic U-shaped frame is placed _____ the dam; the metal Young frame
and the Ostby frame are placed _____ the dam.
✓ Under; Outside
The primary advantage of non-eugenol periodontal surgical dressing over
periodontal surgical dressing that does contain eugenol is that
✓ Some patients are allergic to the eugenol and could experience
redness and burning pain in the area of the dressing
A cotton roll holder is designed to hold multiple cotton rolls in a more secure
manner for the _____ quadrant.
Master01 | October, 2026/2027 | Latest update
, 1 | P a g e | © copyright 2026/2027 Grade A+
|
✓ Mandibular
The area of the Mesial or distal surface of a tooth that touches the adjacent
tooth in the same arch
✓ Contact Area
When constructing ___ with a vacuum former, you will use a heavier gauge,
flexible plastic that does not require a spacer but does require an attachment
for the strap
✓ A Mouth Guard
Selective polishing is recommended, because the:
✓ Abrasive agent used during coronal polishing actually removes a small
amount of the fluoride-rich outer enamel layer.
The diagram used for charting the teeth includes _____ primary teeth and
_____ permanent teeth
✓ 20; 32
If excess cement is not removed from in and around the gingival margin and
sulcus of the tooth, the cement can
Master01 | October, 2026/2027 | Latest update
, 1 | P a g e | © copyright 2026/2027 Grade A+
|
✓ Irritate the area and cause inflammation and discomfort.
Which of the following choices represents the lowest ratio, meaning greatest
concentration, of vasoconstrictor in local anesthetic?
✓ 1:20,000
A ____ is an instrument calibrated in millimeters that is used to locate and
measure the depth of periodontal pockets.
✓ Periodontal probe
The dental wax that is used for recording occlusal rims and for denture wax-
ups and that is supplied in sheets is called ______________ wax
✓ Base plate
Covers half of an arch
✓ Quadrant tray
______ are available in a synthetic material for patients with latex allergies.
✓ Polishing cups
Master01 | October, 2026/2027 | Latest update
, 1 | P a g e | © copyright 2026/2027 Grade A+
|
The dental assistant may have the responsibility of placing the mixed cement
into the casting the cement should be loaded
✓ So that a thin lining covers all internal walls for the casting
______ are used to remove a tooth in one piece, with the crown and root
intact.
✓ Forceps
Visible light-cured sealants are polymerized by photo initiators in the resin
that are sensitive to the visible blue light spectrum.
✓ Light-cured sealants
Final impressions are taken by the
✓ Dentist
The dental restorations created in the laboratory by the dental laboratory
technician are classified as
✓ Indirect restorations
_____ is less irritating to the pulp than is zinc phosphate cement and the pulp
reaction is similar to that ZOE cement.
Master01 | October, 2024/2025 | Latest update
|
EFDA Exam Review Questions and
Answers (100% Pass)
Dental arch wires are held in place by
✓ Ligature ties and elastomeric ties
Which type of cement is preferred for cementation of ceramic veneers?
✓ Composite Resin
The plastic U-shaped frame is placed _____ the dam; the metal Young frame
and the Ostby frame are placed _____ the dam.
✓ Under; Outside
The primary advantage of non-eugenol periodontal surgical dressing over
periodontal surgical dressing that does contain eugenol is that
✓ Some patients are allergic to the eugenol and could experience
redness and burning pain in the area of the dressing
A cotton roll holder is designed to hold multiple cotton rolls in a more secure
manner for the _____ quadrant.
Master01 | October, 2026/2027 | Latest update
, 1 | P a g e | © copyright 2026/2027 Grade A+
|
✓ Mandibular
The area of the Mesial or distal surface of a tooth that touches the adjacent
tooth in the same arch
✓ Contact Area
When constructing ___ with a vacuum former, you will use a heavier gauge,
flexible plastic that does not require a spacer but does require an attachment
for the strap
✓ A Mouth Guard
Selective polishing is recommended, because the:
✓ Abrasive agent used during coronal polishing actually removes a small
amount of the fluoride-rich outer enamel layer.
The diagram used for charting the teeth includes _____ primary teeth and
_____ permanent teeth
✓ 20; 32
If excess cement is not removed from in and around the gingival margin and
sulcus of the tooth, the cement can
Master01 | October, 2026/2027 | Latest update
, 1 | P a g e | © copyright 2026/2027 Grade A+
|
✓ Irritate the area and cause inflammation and discomfort.
Which of the following choices represents the lowest ratio, meaning greatest
concentration, of vasoconstrictor in local anesthetic?
✓ 1:20,000
A ____ is an instrument calibrated in millimeters that is used to locate and
measure the depth of periodontal pockets.
✓ Periodontal probe
The dental wax that is used for recording occlusal rims and for denture wax-
ups and that is supplied in sheets is called ______________ wax
✓ Base plate
Covers half of an arch
✓ Quadrant tray
______ are available in a synthetic material for patients with latex allergies.
✓ Polishing cups
Master01 | October, 2026/2027 | Latest update
, 1 | P a g e | © copyright 2026/2027 Grade A+
|
The dental assistant may have the responsibility of placing the mixed cement
into the casting the cement should be loaded
✓ So that a thin lining covers all internal walls for the casting
______ are used to remove a tooth in one piece, with the crown and root
intact.
✓ Forceps
Visible light-cured sealants are polymerized by photo initiators in the resin
that are sensitive to the visible blue light spectrum.
✓ Light-cured sealants
Final impressions are taken by the
✓ Dentist
The dental restorations created in the laboratory by the dental laboratory
technician are classified as
✓ Indirect restorations
_____ is less irritating to the pulp than is zinc phosphate cement and the pulp
reaction is similar to that ZOE cement.
Master01 | October, 2024/2025 | Latest update
