PA EFDA ACTUAL TEST QUESTIONS AND
ANSWERS BUNDLED REVIEW MATERIAL
●● Triangular ridge
Answer: An elevation of enamel that descends from the cusp into the
middle area of the occlusal surface
●● Transverse ridge
Answer: Ridge formed by joining of two triangular ridges crossing
occlusal table transversely or from buccal to lingual outline
●● Oblique ridge
Answer: Transverse ridge that crosses occlusal table obliquely from
mesiolingual to distobuccal on most maxillary molars
●● Bifurcated
Answer: Single tooth with 2 roots
●● Cementum
Answer: Specialized, calcified connective tissue that covers the
anatomic root of a tooth
●● CEJ (cementoenamel junction)
,Answer: where the cementum and enamel meet
●● Cingulumn
Answer: Small bump near cervical third on lingual side
●● Enamel
Answer: hard, outermost layer of a tooth
●● DEJ (dentinoenamel junction)
Answer: Where the dentin and enamel meet
●● Fissure
Answer: deep groove, incomplete closure of lobes
●● Fossae
Answer: Major depression on occlusal surface of tooth
●● Periodontal Lingament (PDL)
Answer: Fibers that connect tooth to bone
●● Periodontium
,Answer: consists of the bone and soft tissues that surround and support
the teeth
●● Pulp
Answer: The tissue that contains the blood vessels and nerves of a tooth.
Feels pain
●● Sulcus
Answer: Unattached free gingiva - gingiva crevice
●● Pit
Answer: A small pinpoint depression on the surface of a tooth that is
caused by the failure of the union of the developmental grooves
●● Cusp
Answer: Major elevation or convexity on the masticatory surfaces of
canines and posterior teeth
●● Ridge
Answer: a linear elevation of enamel found on the tooth
●● Clinical crown
Answer: That portion of the tooth that is visible in the oral cavity
, ●● Anatomical crown
Answer: Portion of the tooth that is covered with enamel (non-visible)
●● Dentin
Answer: Dense tissue forming the bulk of a tooth
●● Function of anterior teeth
Answer: Tear/ cut food without heavy force
●● Function of posterior teeth
Answer: Crush/ grind food with heavy force
●● Tooth Numbering systems
Answer: universal/national numbering system, federation dentaire
internationale (fdi, ISO), palmer notation system
●● Attrition
Answer: Wearing away tooth structure from Tooth to tooth contact
●● Abrasion
Answer: Wearing away tooth by brushing habits, mechanical motions
ANSWERS BUNDLED REVIEW MATERIAL
●● Triangular ridge
Answer: An elevation of enamel that descends from the cusp into the
middle area of the occlusal surface
●● Transverse ridge
Answer: Ridge formed by joining of two triangular ridges crossing
occlusal table transversely or from buccal to lingual outline
●● Oblique ridge
Answer: Transverse ridge that crosses occlusal table obliquely from
mesiolingual to distobuccal on most maxillary molars
●● Bifurcated
Answer: Single tooth with 2 roots
●● Cementum
Answer: Specialized, calcified connective tissue that covers the
anatomic root of a tooth
●● CEJ (cementoenamel junction)
,Answer: where the cementum and enamel meet
●● Cingulumn
Answer: Small bump near cervical third on lingual side
●● Enamel
Answer: hard, outermost layer of a tooth
●● DEJ (dentinoenamel junction)
Answer: Where the dentin and enamel meet
●● Fissure
Answer: deep groove, incomplete closure of lobes
●● Fossae
Answer: Major depression on occlusal surface of tooth
●● Periodontal Lingament (PDL)
Answer: Fibers that connect tooth to bone
●● Periodontium
,Answer: consists of the bone and soft tissues that surround and support
the teeth
●● Pulp
Answer: The tissue that contains the blood vessels and nerves of a tooth.
Feels pain
●● Sulcus
Answer: Unattached free gingiva - gingiva crevice
●● Pit
Answer: A small pinpoint depression on the surface of a tooth that is
caused by the failure of the union of the developmental grooves
●● Cusp
Answer: Major elevation or convexity on the masticatory surfaces of
canines and posterior teeth
●● Ridge
Answer: a linear elevation of enamel found on the tooth
●● Clinical crown
Answer: That portion of the tooth that is visible in the oral cavity
, ●● Anatomical crown
Answer: Portion of the tooth that is covered with enamel (non-visible)
●● Dentin
Answer: Dense tissue forming the bulk of a tooth
●● Function of anterior teeth
Answer: Tear/ cut food without heavy force
●● Function of posterior teeth
Answer: Crush/ grind food with heavy force
●● Tooth Numbering systems
Answer: universal/national numbering system, federation dentaire
internationale (fdi, ISO), palmer notation system
●● Attrition
Answer: Wearing away tooth structure from Tooth to tooth contact
●● Abrasion
Answer: Wearing away tooth by brushing habits, mechanical motions
