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Exam (elaborations)

PA EFDA Exam Prep Questions and Answers (100% Pass)

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  • PA EFDA

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 ...

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  • October 12, 2024
  • 56
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • PA EFDA
  • PA EFDA
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MASTER01
1 | P a g e | © copyright 2024/2025 | 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, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | 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, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | 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, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | 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

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