EFDA REVIEW EXAM 230 QUESTIONS & CORRECT
ANSWERS LATEST 2025
Dental arch wires are held in place by - ANSWER-Ligature ties and elastomeric ties
Which type of cement is preferred for cementation of ceramic veneers? -
ANSWER-Composite Resin
The plastic U-shaped frame is placed _____ the dam; the metal Young frame and
the Ostby frame are placed _____ the dam. - ANSWER-Under; Outside
The primary advantage of non-eugenol periodontal surgical dressing over
periodontal surgical dressing that does contain eugenol is that - 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. - ANSWER-Mandibular
The area of the Mesial or distal surface of a tooth that touches the adjacent tooth
in the same arch - 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 - ANSWER-A Mouth Guard
,Selective polishing is recommended, because the: - 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 - ANSWER-20; 32
If excess cement is not removed from in and around the gingival margin and
sulcus of the tooth, the cement can - 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? - ANSWER-1:20,000
A ____ is an instrument calibrated in millimeters that is used to locate and
measure the depth of periodontal pockets. - 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 - ANSWER-Base plate
Covers half of an arch - ANSWER-Quadrant tray
______ are available in a synthetic material for patients with latex allergies. -
ANSWER-Polishing cups
The dental assistant may have the responsibility of placing the mixed cement into
the casting the cement should be loaded - 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. -
ANSWER-Forceps
Visible light-cured sealants are polymerized by photo initiators in the resin that
are sensitive to the visible blue light spectrum. - ANSWER-Light-cured sealants
Final impressions are taken by the - ANSWER-Dentist
The dental restorations created in the laboratory by the dental laboratory
technician are classified as - ANSWER-Indirect restorations
_____ is less irritating to the pulp than is zinc phosphate cement and the pulp
reaction is similar to that ZOE cement. - 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 -
ANSWER-ALVEOLITIS AND DRY SOCKET
Which of the following cement types is/are the most versatile and the least
irritating to the pulp? - 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 - 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. - ANSWER-Palpation
The retention of the sealant is obtained by etching the enamel with _______, to
roughen and to open the pores in enamel. - ANSWER-Phosphoric acid
After it is used, an HVE tip is - ANSWER-Thrown away
The term FULCRUM is used to describe the placement of the ___ finger of the
hand to stabilize the handpiece or instrument being used - ANSWER-Third
The use of an anesthetic solution without a vasoconstrictor is recommended for
patients with a history of _____ - ANSWER-Recent myocardial infarction
Which of the following procedures takes place during the second appointment for
the placement of a cast restoration? - ANSWER-Try-in and cementation
Sealants are indicated for____ - ANSWER-Some maxillary central and latoral
incisors.
The first step in placing dental sealants is to _____ the surface. - ANSWER-Clean
The gauge of the needle refers to the thickness of the needle; the larger the
gauge, the _____ the needle - ANSWER-Thinner
ANSWERS LATEST 2025
Dental arch wires are held in place by - ANSWER-Ligature ties and elastomeric ties
Which type of cement is preferred for cementation of ceramic veneers? -
ANSWER-Composite Resin
The plastic U-shaped frame is placed _____ the dam; the metal Young frame and
the Ostby frame are placed _____ the dam. - ANSWER-Under; Outside
The primary advantage of non-eugenol periodontal surgical dressing over
periodontal surgical dressing that does contain eugenol is that - 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. - ANSWER-Mandibular
The area of the Mesial or distal surface of a tooth that touches the adjacent tooth
in the same arch - 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 - ANSWER-A Mouth Guard
,Selective polishing is recommended, because the: - 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 - ANSWER-20; 32
If excess cement is not removed from in and around the gingival margin and
sulcus of the tooth, the cement can - 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? - ANSWER-1:20,000
A ____ is an instrument calibrated in millimeters that is used to locate and
measure the depth of periodontal pockets. - 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 - ANSWER-Base plate
Covers half of an arch - ANSWER-Quadrant tray
______ are available in a synthetic material for patients with latex allergies. -
ANSWER-Polishing cups
The dental assistant may have the responsibility of placing the mixed cement into
the casting the cement should be loaded - 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. -
ANSWER-Forceps
Visible light-cured sealants are polymerized by photo initiators in the resin that
are sensitive to the visible blue light spectrum. - ANSWER-Light-cured sealants
Final impressions are taken by the - ANSWER-Dentist
The dental restorations created in the laboratory by the dental laboratory
technician are classified as - ANSWER-Indirect restorations
_____ is less irritating to the pulp than is zinc phosphate cement and the pulp
reaction is similar to that ZOE cement. - 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 -
ANSWER-ALVEOLITIS AND DRY SOCKET
Which of the following cement types is/are the most versatile and the least
irritating to the pulp? - 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 - 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. - ANSWER-Palpation
The retention of the sealant is obtained by etching the enamel with _______, to
roughen and to open the pores in enamel. - ANSWER-Phosphoric acid
After it is used, an HVE tip is - ANSWER-Thrown away
The term FULCRUM is used to describe the placement of the ___ finger of the
hand to stabilize the handpiece or instrument being used - ANSWER-Third
The use of an anesthetic solution without a vasoconstrictor is recommended for
patients with a history of _____ - ANSWER-Recent myocardial infarction
Which of the following procedures takes place during the second appointment for
the placement of a cast restoration? - ANSWER-Try-in and cementation
Sealants are indicated for____ - ANSWER-Some maxillary central and latoral
incisors.
The first step in placing dental sealants is to _____ the surface. - ANSWER-Clean
The gauge of the needle refers to the thickness of the needle; the larger the
gauge, the _____ the needle - ANSWER-Thinner
