1 | P a g e | © copyright 2026/2027 Grade A+
|
PA EFDA Exam Prep Questions and
Answers (100% Pass)
Cingulum
✓ a bulge or prominence of enamel found on the cervical third of the
lingual surface of an anterior tooth.
Cusp
✓ a major developmental convexity on or near the occlusal surface of a
posterior tooth.
Cusp
✓ Found on the incisal edges of canines,
Cusp
✓ a premolar usually has two of these on the buccal and lingual
surfaces.Mandibular second premolar may sometimes have three of
these.
Cusp Of Carabelli
Master01 | October, 2026/2027 | Latest update
, 1 | P a g e | © copyright 2026/2027 Grade A+
|
✓ Only found on the maxillary first molars
Cusp of Carabelli
✓ only found on tooth #3 and #14
Cusp of Carabelli
✓ The fifth cusp, located on the mesial-lingual surface of many maxillary
first molars.
Cusp
✓ Maxillary first and second molars and mandibular second molars
usually have four of these
Fossa
✓ irregular depressions or concavities on the surface of anterior and
posterior teeth
✓
Central Fossa
Master01 | October, 2026/2027 | Latest update
, 1 | P a g e | © copyright 2026/2027 Grade A+
|
✓ the depression or concavity found in the central portion of the
occlusal surface of molars
Ridge
✓ The linear elevation on the surface of a tooth.
Marginal Ridge
✓ The rounded boarder of enamel that forms the mesial and distal
boundaries of the occlusal surface of molars and premolars
Marginal Ridge
✓ the mesial and distal boundaries of the lingual surfaces of incisors and
cuspids.
Triangular Ridge
✓ a ridge on a molar or premolar that descends from the tips of the cusp
towards the central part of the occlusal surface.
Transverse Ridge
Master01 | October, 2026/2027 | Latest update
, 1 | P a g e | © copyright 2026/2027| Grade A+
✓ the ridge formed by two triangular ridges that extend across the
surface of posterior teeth.
Oblique Ridge
✓ Ridge crossing the occlusal surface of only maxillary molars in an
oblique direction
How many major fossa's are there
✓ 4
lingual Fossa
Central Fossa
Mesial and Distal triangular fossa
Lingual Fossa
✓ depression or concavity found on the lingual surface of mandibular
and maxillary incisors located between the mesial and distal marginal
ridges
Triangular Fossa
Master01 | October, 2024/2025 | Latest update
|
PA EFDA Exam Prep Questions and
Answers (100% Pass)
Cingulum
✓ a bulge or prominence of enamel found on the cervical third of the
lingual surface of an anterior tooth.
Cusp
✓ a major developmental convexity on or near the occlusal surface of a
posterior tooth.
Cusp
✓ Found on the incisal edges of canines,
Cusp
✓ a premolar usually has two of these on the buccal and lingual
surfaces.Mandibular second premolar may sometimes have three of
these.
Cusp Of Carabelli
Master01 | October, 2026/2027 | Latest update
, 1 | P a g e | © copyright 2026/2027 Grade A+
|
✓ Only found on the maxillary first molars
Cusp of Carabelli
✓ only found on tooth #3 and #14
Cusp of Carabelli
✓ The fifth cusp, located on the mesial-lingual surface of many maxillary
first molars.
Cusp
✓ Maxillary first and second molars and mandibular second molars
usually have four of these
Fossa
✓ irregular depressions or concavities on the surface of anterior and
posterior teeth
✓
Central Fossa
Master01 | October, 2026/2027 | Latest update
, 1 | P a g e | © copyright 2026/2027 Grade A+
|
✓ the depression or concavity found in the central portion of the
occlusal surface of molars
Ridge
✓ The linear elevation on the surface of a tooth.
Marginal Ridge
✓ The rounded boarder of enamel that forms the mesial and distal
boundaries of the occlusal surface of molars and premolars
Marginal Ridge
✓ the mesial and distal boundaries of the lingual surfaces of incisors and
cuspids.
Triangular Ridge
✓ a ridge on a molar or premolar that descends from the tips of the cusp
towards the central part of the occlusal surface.
Transverse Ridge
Master01 | October, 2026/2027 | Latest update
, 1 | P a g e | © copyright 2026/2027| Grade A+
✓ the ridge formed by two triangular ridges that extend across the
surface of posterior teeth.
Oblique Ridge
✓ Ridge crossing the occlusal surface of only maxillary molars in an
oblique direction
How many major fossa's are there
✓ 4
lingual Fossa
Central Fossa
Mesial and Distal triangular fossa
Lingual Fossa
✓ depression or concavity found on the lingual surface of mandibular
and maxillary incisors located between the mesial and distal marginal
ridges
Triangular Fossa
Master01 | October, 2024/2025 | Latest update
