EFDA Exam
EFDA Exam Review Study Questions
and Answers Graded 2025
Dental arch wires are held in place by - ANSWERS-Ligature ties and elastomeric ties
Which type of cement is preferred for cementation of ceramic veneers? - ANSWERS-
Composite Resin
The plastic U-shaped frame is placed _____ the dam; the metal Young frame and the
Ostby frame are placed _____ the dam. - ANSWERS-Under; Outside
The primary advantage of non-eugenol periodontal surgical dressing over periodontal
surgical dressing that does contain eugenol is that - ANSWERS-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. - ANSWERS-Mandibular
The area of the Mesial or distal surface of a tooth that touches the adjacent tooth in the
same arch - ANSWERS-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 -
ANSWERS-A Mouth Guard
Selective polishing is recommended, because the: - ANSWERS-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 - ANSWERS-20; 32
If excess cement is not removed from in and around the gingival margin and sulcus of
the tooth, the cement can - ANSWERS-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? - ANSWERS-1:20,000
A ____ is an instrument calibrated in millimeters that is used to locate and measure the
depth of periodontal pockets. - ANSWERS-Periodontal probe
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, EFDA Exam
The dental wax that is used for recording occlusal rims and for denture wax-ups and
that is supplied in sheets is called ______________ wax - ANSWERS-Base plate
Covers half of an arch - ANSWERS-Quadrant tray
______ are available in a synthetic material for patients with latex allergies. -
ANSWERS-Polishing cups
The dental assistant may have the responsibility of placing the mixed cement into the
casting the cement should be loaded - ANSWERS-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. -
ANSWERS-Forceps
Visible light-cured sealants are polymerized by photo initiators in the resin that are
sensitive to the visible blue light spectrum. - ANSWERS-Light-cured sealants
Final impressions are taken by the - ANSWERS-Dentist
The dental restorations created in the laboratory by the dental laboratory technician are
classified as - ANSWERS-Indirect restorations
_____ is less irritating to the pulp than is zinc phosphate cement and the pulp reaction
is similar to that ZOE cement. - ANSWERS-Polycarboxylate cement
DISLODGEMENT OF THE CLOT FROM THE SOCKET OR AN INFECTION IN THE
SOCKET THAT RESULTS IN A FAILURE OF THE HEALING PROCESS CAN LEAD
TO - ANSWERS-ALVEOLITIS AND DRY SOCKET
Which of the following cement types is/are the most versatile and the least irritating to
the pulp? - ANSWERS-ZOE Cement and Glass ionomer cement
May be monitored by a certified dental assistant in some states after completion of a
board certified course - ANSWERS-Intravenous sedation
The term _____ refers to placing the thumb of one hand inside the mouth and the index
and third finger of the other hand outside the mouth, and gently feeling the tissues for
any lumps or abnormalities. - ANSWERS-Palpation
The retention of the sealant is obtained by etching the enamel with _______, to roughen
and to open the pores in enamel. - ANSWERS-Phosphoric acid
After it is used, an HVE tip is - ANSWERS-Thrown away
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EFDA Exam Review Study Questions
and Answers Graded 2025
Dental arch wires are held in place by - ANSWERS-Ligature ties and elastomeric ties
Which type of cement is preferred for cementation of ceramic veneers? - ANSWERS-
Composite Resin
The plastic U-shaped frame is placed _____ the dam; the metal Young frame and the
Ostby frame are placed _____ the dam. - ANSWERS-Under; Outside
The primary advantage of non-eugenol periodontal surgical dressing over periodontal
surgical dressing that does contain eugenol is that - ANSWERS-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. - ANSWERS-Mandibular
The area of the Mesial or distal surface of a tooth that touches the adjacent tooth in the
same arch - ANSWERS-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 -
ANSWERS-A Mouth Guard
Selective polishing is recommended, because the: - ANSWERS-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 - ANSWERS-20; 32
If excess cement is not removed from in and around the gingival margin and sulcus of
the tooth, the cement can - ANSWERS-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? - ANSWERS-1:20,000
A ____ is an instrument calibrated in millimeters that is used to locate and measure the
depth of periodontal pockets. - ANSWERS-Periodontal probe
1|Page
, EFDA Exam
The dental wax that is used for recording occlusal rims and for denture wax-ups and
that is supplied in sheets is called ______________ wax - ANSWERS-Base plate
Covers half of an arch - ANSWERS-Quadrant tray
______ are available in a synthetic material for patients with latex allergies. -
ANSWERS-Polishing cups
The dental assistant may have the responsibility of placing the mixed cement into the
casting the cement should be loaded - ANSWERS-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. -
ANSWERS-Forceps
Visible light-cured sealants are polymerized by photo initiators in the resin that are
sensitive to the visible blue light spectrum. - ANSWERS-Light-cured sealants
Final impressions are taken by the - ANSWERS-Dentist
The dental restorations created in the laboratory by the dental laboratory technician are
classified as - ANSWERS-Indirect restorations
_____ is less irritating to the pulp than is zinc phosphate cement and the pulp reaction
is similar to that ZOE cement. - ANSWERS-Polycarboxylate cement
DISLODGEMENT OF THE CLOT FROM THE SOCKET OR AN INFECTION IN THE
SOCKET THAT RESULTS IN A FAILURE OF THE HEALING PROCESS CAN LEAD
TO - ANSWERS-ALVEOLITIS AND DRY SOCKET
Which of the following cement types is/are the most versatile and the least irritating to
the pulp? - ANSWERS-ZOE Cement and Glass ionomer cement
May be monitored by a certified dental assistant in some states after completion of a
board certified course - ANSWERS-Intravenous sedation
The term _____ refers to placing the thumb of one hand inside the mouth and the index
and third finger of the other hand outside the mouth, and gently feeling the tissues for
any lumps or abnormalities. - ANSWERS-Palpation
The retention of the sealant is obtained by etching the enamel with _______, to roughen
and to open the pores in enamel. - ANSWERS-Phosphoric acid
After it is used, an HVE tip is - ANSWERS-Thrown away
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