EFDA ENTRANCE FINAL EXAM
2025/2026 COMPLETE QUESTIONS
WITH CORRECT EXPLAINED
ANSWERS || 100% GUARANTEED
PASS!! <RECENT VERSION>
1. Max incisors- labial surface - ANSWER ✔ Mesioincisal- is at right angle
distoincisal-not as sharp, rounded facial grooves- there are two
2. Max incisors- lingual - ANSWER ✔ Cingulum- lingual lobe. Found only on
lingual surface. Marginal ridges- raised rounded borders on m/d lingual
fossa- shallow depression below cingulum
3. Max incisors- Mesial - ANSWER ✔ Cingulum is evident. Cervical line-
curves incisally.
4. Max incisors- distal - ANSWER ✔ Little difference from Mesial. Curvature
of cervical line is less than on Mesial surface
5. Max incisors- incisal - ANSWER ✔ Incisal ridge and cingulum are seen
clearly. From incisal view the crown is more bulky.
6. Max lateral incisor- labial - ANSWER ✔ Incisal angles are rounded. More
narrow than central
7. The entire crown or the portion covered by enamel is called? - ANSWER ✔
Anatomical crown
,8. What are mamelons? - ANSWER ✔ THREE bumps on the incisal edge of
newly erupted permanent incisors
9. An oblique ridge separates the central and distal occlusal fossae. Mandibular
molars have an oblique ridge. State whether these statements are true or
false. - ANSWER ✔ The first statement is true, however the second
statement is false. MAXILLARY molars have an oblique ridge.
10.The area where the crowns of adjacent teeth in the same are physically touch
each proximal surface is called what? - ANSWER ✔ Contact point
11.The Cusps of Carabelli are associated with what teeth? - ANSWER ✔
Mesial lingual cusps of maxillary first molars
12.The height of contour of the buccal surface of the mandibular permanent
first molar is at the what? - ANSWER ✔ Junction of the middle and gingival
1/3
13.Marginal ridges are found on the borders of (blank) surface of anterior teeth,
while the posterior marginal ridges are found on the borders of the (blank)
surface. - ANSWER ✔ Lingual
Occlusal
14.What is the name of the area that forms the mesial and distal border of the
occlusal surface? - ANSWER ✔ Marginal ridge
15.In normal occlusion, the buccal cusps of maxillary teeth occlude in what
way with the mandibular teeth? - ANSWER ✔ The buccal surface
16.Areas on the proximal surfaces that touch each other are called? - ANSWER
✔ Contact point
17.An elevation or mound on the biting surface of the crown of a tooth is called
the what? - ANSWER ✔ Cusp
18.The junction of lobes at the crown may be indicated by? - ANSWER ✔
Developmental grooves
,19.Describe the usual groove pattern on the occlusal table of permanent
mandibular second molar - ANSWER ✔ A cross
20.Prominent ridges or elevations found on the maxillary first premolar which
descend from the tip of the cusps and widen toward the central area of the
occlusal surface are? - ANSWER ✔ Triangular ridge
21.Normally, a child has mixed dentition between the ages of (blank) and
(blank) - ANSWER ✔ 6 and 13
22.Dental arch wires are held in place by - ANSWER ✔ Ligature ties and
elastomeric ties
23.Which type of cement is preferred for cementation of ceramic veneers? -
ANSWER ✔ Composite Resin
24.The plastic U-shaped frame is placed _____ the dam; the metal Young frame
and the Ostby frame are placed _____ the dam. - ANSWER ✔ Under;
Outside
25.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
26.A cotton roll holder is designed to hold multiple cotton rolls in a more
secure manner for the _____ quadrant. - ANSWER ✔ Mandibular
27.The area of the Mesial or distal surface of a tooth that touches the adjacent
tooth in the same arch - ANSWER ✔ Contact Area
28.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
29.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.
, 30.The diagram used for charting the teeth includes _____ primary teeth and
_____ permanent teeth - ANSWER ✔ 20; 32
31.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.
32.Which of the following choices represents the lowest ratio, meaning greatest
concentration, of vasoconstrictor in local anesthetic? - ANSWER ✔
1:20,000
33.A ____ is an instrument calibrated in millimeters that is used to locate and
measure the depth of periodontal pockets. - ANSWER ✔ Periodontal probe
34.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
35.Covers half of an arch - ANSWER ✔ Quadrant tray
36.______ are available in a synthetic material for patients with latex allergies.
- ANSWER ✔ Polishing cups
37.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
38.______ are used to remove a tooth in one piece, with the crown and root
intact. - ANSWER ✔ Forceps
39.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
40.Final impressions are taken by the - ANSWER ✔ Dentist
2025/2026 COMPLETE QUESTIONS
WITH CORRECT EXPLAINED
ANSWERS || 100% GUARANTEED
PASS!! <RECENT VERSION>
1. Max incisors- labial surface - ANSWER ✔ Mesioincisal- is at right angle
distoincisal-not as sharp, rounded facial grooves- there are two
2. Max incisors- lingual - ANSWER ✔ Cingulum- lingual lobe. Found only on
lingual surface. Marginal ridges- raised rounded borders on m/d lingual
fossa- shallow depression below cingulum
3. Max incisors- Mesial - ANSWER ✔ Cingulum is evident. Cervical line-
curves incisally.
4. Max incisors- distal - ANSWER ✔ Little difference from Mesial. Curvature
of cervical line is less than on Mesial surface
5. Max incisors- incisal - ANSWER ✔ Incisal ridge and cingulum are seen
clearly. From incisal view the crown is more bulky.
6. Max lateral incisor- labial - ANSWER ✔ Incisal angles are rounded. More
narrow than central
7. The entire crown or the portion covered by enamel is called? - ANSWER ✔
Anatomical crown
,8. What are mamelons? - ANSWER ✔ THREE bumps on the incisal edge of
newly erupted permanent incisors
9. An oblique ridge separates the central and distal occlusal fossae. Mandibular
molars have an oblique ridge. State whether these statements are true or
false. - ANSWER ✔ The first statement is true, however the second
statement is false. MAXILLARY molars have an oblique ridge.
10.The area where the crowns of adjacent teeth in the same are physically touch
each proximal surface is called what? - ANSWER ✔ Contact point
11.The Cusps of Carabelli are associated with what teeth? - ANSWER ✔
Mesial lingual cusps of maxillary first molars
12.The height of contour of the buccal surface of the mandibular permanent
first molar is at the what? - ANSWER ✔ Junction of the middle and gingival
1/3
13.Marginal ridges are found on the borders of (blank) surface of anterior teeth,
while the posterior marginal ridges are found on the borders of the (blank)
surface. - ANSWER ✔ Lingual
Occlusal
14.What is the name of the area that forms the mesial and distal border of the
occlusal surface? - ANSWER ✔ Marginal ridge
15.In normal occlusion, the buccal cusps of maxillary teeth occlude in what
way with the mandibular teeth? - ANSWER ✔ The buccal surface
16.Areas on the proximal surfaces that touch each other are called? - ANSWER
✔ Contact point
17.An elevation or mound on the biting surface of the crown of a tooth is called
the what? - ANSWER ✔ Cusp
18.The junction of lobes at the crown may be indicated by? - ANSWER ✔
Developmental grooves
,19.Describe the usual groove pattern on the occlusal table of permanent
mandibular second molar - ANSWER ✔ A cross
20.Prominent ridges or elevations found on the maxillary first premolar which
descend from the tip of the cusps and widen toward the central area of the
occlusal surface are? - ANSWER ✔ Triangular ridge
21.Normally, a child has mixed dentition between the ages of (blank) and
(blank) - ANSWER ✔ 6 and 13
22.Dental arch wires are held in place by - ANSWER ✔ Ligature ties and
elastomeric ties
23.Which type of cement is preferred for cementation of ceramic veneers? -
ANSWER ✔ Composite Resin
24.The plastic U-shaped frame is placed _____ the dam; the metal Young frame
and the Ostby frame are placed _____ the dam. - ANSWER ✔ Under;
Outside
25.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
26.A cotton roll holder is designed to hold multiple cotton rolls in a more
secure manner for the _____ quadrant. - ANSWER ✔ Mandibular
27.The area of the Mesial or distal surface of a tooth that touches the adjacent
tooth in the same arch - ANSWER ✔ Contact Area
28.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
29.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.
, 30.The diagram used for charting the teeth includes _____ primary teeth and
_____ permanent teeth - ANSWER ✔ 20; 32
31.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.
32.Which of the following choices represents the lowest ratio, meaning greatest
concentration, of vasoconstrictor in local anesthetic? - ANSWER ✔
1:20,000
33.A ____ is an instrument calibrated in millimeters that is used to locate and
measure the depth of periodontal pockets. - ANSWER ✔ Periodontal probe
34.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
35.Covers half of an arch - ANSWER ✔ Quadrant tray
36.______ are available in a synthetic material for patients with latex allergies.
- ANSWER ✔ Polishing cups
37.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
38.______ are used to remove a tooth in one piece, with the crown and root
intact. - ANSWER ✔ Forceps
39.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
40.Final impressions are taken by the - ANSWER ✔ Dentist
