EFDA EXAM REVIEW QUESTIONS WITH
CORRECT ANSWERS
Dental arch wires are held in place by - CORRECT ANSWER -Ligature ties and elastomeric ties
Which type of cement is preferred for cementation of ceramic veneers? - CORRECT ANSWER -
Composite Resin
The plastic U-shaped frame is placed _____ the dam; the metal Young frame and the Ostby
frame are placed _____ the dam. - CORRECT ANSWER -Under; Outside
The primary advantage of non-eugenol periodontal surgical dressing over periodontal surgical
dressing that does contain eugenol is that - CORRECT ANSWER -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. - CORRECT ANSWER -Mandibular
The area of the Mesial or distal surface of a tooth that touches the adjacent tooth in the same
arch - CORRECT ANSWER -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 - CORRECT ANSWER -A
Mouth Guard
Selective polishing is recommended, because the: - CORRECT ANSWER -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 - CORRECT ANSWER -20; 32
If excess cement is not removed from in and around the gingival margin and sulcus of the tooth,
the cement can - CORRECT ANSWER -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? - CORRECT ANSWER -1:20,000
A ____ is an instrument calibrated in millimeters that is used to locate and measure the depth
of periodontal pockets. - CORRECT ANSWER -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 - CORRECT ANSWER -Base plate
Covers half of an arch - CORRECT ANSWER -Quadrant tray
______ are available in a synthetic material for patients with latex allergies. - CORRECT ANSWER
-Polishing cups
The dental assistant may have the responsibility of placing the mixed cement into the casting
the cement should be loaded - CORRECT ANSWER -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. - CORRECT
ANSWER -Forceps
Visible light-cured sealants are polymerized by photo initiators in the resin that are sensitive to
the visible blue light spectrum. - CORRECT ANSWER -Light-cured sealants
, Final impressions are taken by the - CORRECT ANSWER -Dentist
The dental restorations created in the laboratory by the dental laboratory technician are
classified as - CORRECT ANSWER -Indirect restorations
_____ is less irritating to the pulp than is zinc phosphate cement and the pulp reaction is similar
to that ZOE cement. - CORRECT ANSWER -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 - CORRECT ANSWER -ALVEOLITIS
AND DRY SOCKET
Which of the following cement types is/are the most versatile and the least irritating to the
pulp? - CORRECT ANSWER -ZOE Cement and Glass ionomer cement
May be monitored by a certified dental assistant in some states after completion of a board
certified course - CORRECT ANSWER -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. - CORRECT ANSWER -Palpation
The retention of the sealant is obtained by etching the enamel with _______, to roughen and to
open the pores in enamel. - CORRECT ANSWER -Phosphoric acid
After it is used, an HVE tip is - CORRECT ANSWER -Thrown away
CORRECT ANSWERS
Dental arch wires are held in place by - CORRECT ANSWER -Ligature ties and elastomeric ties
Which type of cement is preferred for cementation of ceramic veneers? - CORRECT ANSWER -
Composite Resin
The plastic U-shaped frame is placed _____ the dam; the metal Young frame and the Ostby
frame are placed _____ the dam. - CORRECT ANSWER -Under; Outside
The primary advantage of non-eugenol periodontal surgical dressing over periodontal surgical
dressing that does contain eugenol is that - CORRECT ANSWER -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. - CORRECT ANSWER -Mandibular
The area of the Mesial or distal surface of a tooth that touches the adjacent tooth in the same
arch - CORRECT ANSWER -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 - CORRECT ANSWER -A
Mouth Guard
Selective polishing is recommended, because the: - CORRECT ANSWER -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 - CORRECT ANSWER -20; 32
If excess cement is not removed from in and around the gingival margin and sulcus of the tooth,
the cement can - CORRECT ANSWER -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? - CORRECT ANSWER -1:20,000
A ____ is an instrument calibrated in millimeters that is used to locate and measure the depth
of periodontal pockets. - CORRECT ANSWER -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 - CORRECT ANSWER -Base plate
Covers half of an arch - CORRECT ANSWER -Quadrant tray
______ are available in a synthetic material for patients with latex allergies. - CORRECT ANSWER
-Polishing cups
The dental assistant may have the responsibility of placing the mixed cement into the casting
the cement should be loaded - CORRECT ANSWER -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. - CORRECT
ANSWER -Forceps
Visible light-cured sealants are polymerized by photo initiators in the resin that are sensitive to
the visible blue light spectrum. - CORRECT ANSWER -Light-cured sealants
, Final impressions are taken by the - CORRECT ANSWER -Dentist
The dental restorations created in the laboratory by the dental laboratory technician are
classified as - CORRECT ANSWER -Indirect restorations
_____ is less irritating to the pulp than is zinc phosphate cement and the pulp reaction is similar
to that ZOE cement. - CORRECT ANSWER -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 - CORRECT ANSWER -ALVEOLITIS
AND DRY SOCKET
Which of the following cement types is/are the most versatile and the least irritating to the
pulp? - CORRECT ANSWER -ZOE Cement and Glass ionomer cement
May be monitored by a certified dental assistant in some states after completion of a board
certified course - CORRECT ANSWER -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. - CORRECT ANSWER -Palpation
The retention of the sealant is obtained by etching the enamel with _______, to roughen and to
open the pores in enamel. - CORRECT ANSWER -Phosphoric acid
After it is used, an HVE tip is - CORRECT ANSWER -Thrown away
