PA EFDA Exam Prep Questions &
Answers (Grade A+)
Cingulum -
correct answer ✅a bulge or prominence of enamel found on the
cervical third of the lingual surface of an anterior tooth.
Cusp -
correct answer ✅a major developmental convexity on or near the
occlusal surface of a posterior tooth.
Cusp -
correct answer ✅Found on the incisal edges of canines,
Cusp -
correct answer ✅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 -
correct answer ✅Only found on the maxillary first molars
Cusp of Carabelli -
correct answer ✅only found on tooth #3 and #14
,PA EFDA Exam Prep Questions &
Answers (Grade A+)
Cusp of Carabelli -
correct answer ✅The fifth cusp, located on the mesial-lingual
surface of many maxillary first molars.
Cusp -
correct answer ✅Maxillary first and second molars and
mandibular second molars usually have four of these
Fossa -
correct answer ✅irregular depressions or concavities on the
surface of anterior and posterior teeth
Central Fossa -
correct answer ✅the depression or concavity found in the central
portion of the occlusal surface of molars
Ridge -
correct answer ✅The linear elevation on the surface of a tooth.
Marginal Ridge -
correct answer ✅The rounded boarder of enamel that forms the
,PA EFDA Exam Prep Questions &
Answers (Grade A+)
mesial and distal boundaries of the occlusal surface of molars and
premolars
Marginal Ridge -
correct answer ✅the mesial and distal boundaries of the lingual
surfaces of incisors and cuspids.
Triangular Ridge -
correct answer ✅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 -
correct answer ✅the ridge formed by two triangular ridges that
extend across the surface of posterior teeth.
Oblique Ridge -
correct answer ✅Ridge crossing the occlusal surface of only
maxillary molars in an oblique direction
How many major fossa's are there -
correct answer ✅4
, PA EFDA Exam Prep Questions &
Answers (Grade A+)
lingual Fossa
Central Fossa
Mesial and Distal triangular fossa
Lingual Fossa -
correct answer ✅depression or concavity found on the lingual
surface of mandibular and maxillary incisors located between the
mesial and distal marginal ridges
Triangular Fossa -
correct answer ✅located on the occlusal surface of the molars and
premolars distal to the mesial marginal ridge and mesial to the
distal marginal ridge
Triangular Fossa -
correct answer ✅are always bordered by three developmental
ridges one of which is the marginal ridge named according by there
location
Developmental Grooves -
correct answer ✅major grooves or lines between the ridges of a
tooth named according to there location
Answers (Grade A+)
Cingulum -
correct answer ✅a bulge or prominence of enamel found on the
cervical third of the lingual surface of an anterior tooth.
Cusp -
correct answer ✅a major developmental convexity on or near the
occlusal surface of a posterior tooth.
Cusp -
correct answer ✅Found on the incisal edges of canines,
Cusp -
correct answer ✅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 -
correct answer ✅Only found on the maxillary first molars
Cusp of Carabelli -
correct answer ✅only found on tooth #3 and #14
,PA EFDA Exam Prep Questions &
Answers (Grade A+)
Cusp of Carabelli -
correct answer ✅The fifth cusp, located on the mesial-lingual
surface of many maxillary first molars.
Cusp -
correct answer ✅Maxillary first and second molars and
mandibular second molars usually have four of these
Fossa -
correct answer ✅irregular depressions or concavities on the
surface of anterior and posterior teeth
Central Fossa -
correct answer ✅the depression or concavity found in the central
portion of the occlusal surface of molars
Ridge -
correct answer ✅The linear elevation on the surface of a tooth.
Marginal Ridge -
correct answer ✅The rounded boarder of enamel that forms the
,PA EFDA Exam Prep Questions &
Answers (Grade A+)
mesial and distal boundaries of the occlusal surface of molars and
premolars
Marginal Ridge -
correct answer ✅the mesial and distal boundaries of the lingual
surfaces of incisors and cuspids.
Triangular Ridge -
correct answer ✅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 -
correct answer ✅the ridge formed by two triangular ridges that
extend across the surface of posterior teeth.
Oblique Ridge -
correct answer ✅Ridge crossing the occlusal surface of only
maxillary molars in an oblique direction
How many major fossa's are there -
correct answer ✅4
, PA EFDA Exam Prep Questions &
Answers (Grade A+)
lingual Fossa
Central Fossa
Mesial and Distal triangular fossa
Lingual Fossa -
correct answer ✅depression or concavity found on the lingual
surface of mandibular and maxillary incisors located between the
mesial and distal marginal ridges
Triangular Fossa -
correct answer ✅located on the occlusal surface of the molars and
premolars distal to the mesial marginal ridge and mesial to the
distal marginal ridge
Triangular Fossa -
correct answer ✅are always bordered by three developmental
ridges one of which is the marginal ridge named according by there
location
Developmental Grooves -
correct answer ✅major grooves or lines between the ridges of a
tooth named according to there location
