EFDA ENTRANCE EXAM QUESTIONS
AND ANSWERS GRADED A+ 2025/2026
The entire crown or the portion covered by enamel is called the : - ANS Anatomical crown
What are mamelons? - ANS The 3 round bumps on the incisal edge of newly erupted
rermanent incisors
"An oblique ridge separates the central and distal occlusal fossae. Mandibular molars have an
oblique ride."
State whether these statements are true or false. If they are false, make them true: -
ANS *Diagonal ridge*
The first is true the seconded part is false... Maxillary molars have an oblique ridge (starts at the
cusp of Carabelli)
The area where the crowns of adjacent teeth in the same arch physically touch on each
proximal surface is called the : - ANS Interproximal contact
The cusp of Carabelli is associated with which cusp? - ANS Mesial lingual cusp of maxillary
first molar. #3 & #14
The height of contour of the buccal surface of the mandibular permanent first molar is at the? -
ANS Junction of the middle and gingival 1/3
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, Marginal ridges are found on the borders of________________ surface of anterior teeth, while
the posterior marginal ridges are found on the borders of the __________ surface. -
ANS Lingual, Occlusal.
what is the name of the area that forms the mesial and distal border of the occlusal surface? -
ANS Marginal ridge
In normal occlusion, the buccal cusps of maxillary teeth occlude in what way with the
mandibular teeth? - ANS It occludes w/ the buccal surface of the mandibular
Areas on the proximal surfaces that touch each other are called: - ANS Interproximal contacts
An elevation or mound on the biting surface of the crown of a tooth is called the: - ANS Cusp
The junction of lobes of the crown may be indicated by: - ANS Developmental grooves
Describe the usal groove pattern on the occlusal table of permanent mandibular secondmolar: -
ANS the groove will be in the shape of a Plus (+)
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: - ANS a Triangular
ridge.
Normally, a child has a mixed dentition between the ages of _____ to _____. - ANS 6-13
Describe the usual groove pattern on the occlusal surface of a mandibular three cusp type
permanent second premolar. - ANS The groove will be the shape of a "Y"
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
AND ANSWERS GRADED A+ 2025/2026
The entire crown or the portion covered by enamel is called the : - ANS Anatomical crown
What are mamelons? - ANS The 3 round bumps on the incisal edge of newly erupted
rermanent incisors
"An oblique ridge separates the central and distal occlusal fossae. Mandibular molars have an
oblique ride."
State whether these statements are true or false. If they are false, make them true: -
ANS *Diagonal ridge*
The first is true the seconded part is false... Maxillary molars have an oblique ridge (starts at the
cusp of Carabelli)
The area where the crowns of adjacent teeth in the same arch physically touch on each
proximal surface is called the : - ANS Interproximal contact
The cusp of Carabelli is associated with which cusp? - ANS Mesial lingual cusp of maxillary
first molar. #3 & #14
The height of contour of the buccal surface of the mandibular permanent first molar is at the? -
ANS Junction of the middle and gingival 1/3
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, Marginal ridges are found on the borders of________________ surface of anterior teeth, while
the posterior marginal ridges are found on the borders of the __________ surface. -
ANS Lingual, Occlusal.
what is the name of the area that forms the mesial and distal border of the occlusal surface? -
ANS Marginal ridge
In normal occlusion, the buccal cusps of maxillary teeth occlude in what way with the
mandibular teeth? - ANS It occludes w/ the buccal surface of the mandibular
Areas on the proximal surfaces that touch each other are called: - ANS Interproximal contacts
An elevation or mound on the biting surface of the crown of a tooth is called the: - ANS Cusp
The junction of lobes of the crown may be indicated by: - ANS Developmental grooves
Describe the usal groove pattern on the occlusal table of permanent mandibular secondmolar: -
ANS the groove will be in the shape of a Plus (+)
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: - ANS a Triangular
ridge.
Normally, a child has a mixed dentition between the ages of _____ to _____. - ANS 6-13
Describe the usual groove pattern on the occlusal surface of a mandibular three cusp type
permanent second premolar. - ANS The groove will be the shape of a "Y"
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
