PA EFDA Board Exam Questions &
Answers (Grade A+)
Marginal ridge -
correct answer ✅Ridge or elevation of enamel forming the margin
of the surface of a tooth; specifically at the mesial and distal
margins of the occlusal surfaces of premolars and molars, and the
mesial and distal margins of the lingual surfaces of incisors and
canines.
Triangular ridge -
correct answer ✅An elevation of enamel that descends from the
cusp into the middle area of the occlusal surface
Transverse ridge -
correct answer ✅Ridge formed by joining of two triangular ridges
crossing occlusal table transversely or from buccal to lingual outline
Oblique ridge -
correct answer ✅Transverse ridge that crosses occlusal table
obliquely from mesiolingual to distobuccal on most maxillary
molars
Bifurcated -
correct answer ✅Single tooth with 2 roots
,PA EFDA Board Exam Questions &
Answers (Grade A+)
Cementum -
correct answer ✅Specialized, calcified connective tissue that
covers the anatomic root of a tooth
CEJ (cementoenamel junction) -
correct answer ✅where the cementum and enamel meet
Cingulumn -
correct answer ✅Small bump near cervical third on lingual side
Enamel -
correct answer ✅hard, outermost layer of a tooth
DEJ (dentinoenamel junction) -
correct answer ✅Where the dentin and enamel meet
Fissure -
correct answer ✅deep groove, incomplete closure of lobes
Fossae -
correct answer ✅Major depression on occlusal surface of tooth
,PA EFDA Board Exam Questions &
Answers (Grade A+)
Periodontal Lingament (PDL) -
correct answer ✅Fibers that connect tooth to bone
Periodontium -
correct answer ✅consists of the bone and soft tissues that
surround and support the teeth
Pulp -
correct answer ✅The tissue that contains the blood vessels and
nerves of a tooth. Feels pain
Sulcus -
correct answer ✅Unattached free gingiva - gingiva crevice
Pit -
correct answer ✅A small pinpoint depression on the surface of a
tooth that is caused by the failure of the union of the
developmental grooves
, PA EFDA Board Exam Questions &
Answers (Grade A+)
Cusp -
correct answer ✅Major elevation or convexity on the masticatory
surfaces of canines and posterior teeth
Ridge -
correct answer ✅a linear elevation of enamel found on the tooth
Clinical crown -
correct answer ✅That portion of the tooth that is visible in the
oral cavity
Anatomical crown -
correct answer ✅Portion of the tooth that is covered with enamel
(non-visible)
Dentin -
correct answer ✅Dense tissue forming the bulk of a tooth
Function of anterior teeth -
correct answer ✅Tear/ cut food without heavy force
Answers (Grade A+)
Marginal ridge -
correct answer ✅Ridge or elevation of enamel forming the margin
of the surface of a tooth; specifically at the mesial and distal
margins of the occlusal surfaces of premolars and molars, and the
mesial and distal margins of the lingual surfaces of incisors and
canines.
Triangular ridge -
correct answer ✅An elevation of enamel that descends from the
cusp into the middle area of the occlusal surface
Transverse ridge -
correct answer ✅Ridge formed by joining of two triangular ridges
crossing occlusal table transversely or from buccal to lingual outline
Oblique ridge -
correct answer ✅Transverse ridge that crosses occlusal table
obliquely from mesiolingual to distobuccal on most maxillary
molars
Bifurcated -
correct answer ✅Single tooth with 2 roots
,PA EFDA Board Exam Questions &
Answers (Grade A+)
Cementum -
correct answer ✅Specialized, calcified connective tissue that
covers the anatomic root of a tooth
CEJ (cementoenamel junction) -
correct answer ✅where the cementum and enamel meet
Cingulumn -
correct answer ✅Small bump near cervical third on lingual side
Enamel -
correct answer ✅hard, outermost layer of a tooth
DEJ (dentinoenamel junction) -
correct answer ✅Where the dentin and enamel meet
Fissure -
correct answer ✅deep groove, incomplete closure of lobes
Fossae -
correct answer ✅Major depression on occlusal surface of tooth
,PA EFDA Board Exam Questions &
Answers (Grade A+)
Periodontal Lingament (PDL) -
correct answer ✅Fibers that connect tooth to bone
Periodontium -
correct answer ✅consists of the bone and soft tissues that
surround and support the teeth
Pulp -
correct answer ✅The tissue that contains the blood vessels and
nerves of a tooth. Feels pain
Sulcus -
correct answer ✅Unattached free gingiva - gingiva crevice
Pit -
correct answer ✅A small pinpoint depression on the surface of a
tooth that is caused by the failure of the union of the
developmental grooves
, PA EFDA Board Exam Questions &
Answers (Grade A+)
Cusp -
correct answer ✅Major elevation or convexity on the masticatory
surfaces of canines and posterior teeth
Ridge -
correct answer ✅a linear elevation of enamel found on the tooth
Clinical crown -
correct answer ✅That portion of the tooth that is visible in the
oral cavity
Anatomical crown -
correct answer ✅Portion of the tooth that is covered with enamel
(non-visible)
Dentin -
correct answer ✅Dense tissue forming the bulk of a tooth
Function of anterior teeth -
correct answer ✅Tear/ cut food without heavy force
