EFDA Exam Review Questions &
Answers (Grade A+)
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
,EFDA Exam Review Questions &
Answers (Grade A+)
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.
,EFDA Exam Review Questions &
Answers (Grade A+)
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
, EFDA Exam Review Questions &
Answers (Grade A+)
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
Answers (Grade A+)
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
,EFDA Exam Review Questions &
Answers (Grade A+)
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.
,EFDA Exam Review Questions &
Answers (Grade A+)
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
, EFDA Exam Review Questions &
Answers (Grade A+)
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