PA EFDA Exam 2026 Questions and
Answers
Class 1 Decay - Correct answer-Pit and fissure cavities
Class 2 Decay - Correct answer-Posterior interproximal cavities
Class 3 Decay - Correct answer-Anterior interproximal cavities
Class 4 Decay - Correct answer-Anterior interproximal cavities involving the
incisal angle
Class 5 Decay - Correct answer-Smooth surface cavities, near gumline
Class 6 Decay - Correct answer-Cavities or abrasions involving the a branded
incisal edge or the occlusion surface
Apex - Correct answer-At or near the end of the root
Apical Foramen - Correct answer-opening in the end if the tooth through which
nerve and blood vessels enter. may be more than one opening at end if root
bifurcated - Correct answer-when there are two roots on one tooth
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, buccal groove - Correct answer-linear depression forming a groove that extends
from the middle of the buccal surface to the occlusal surface of the tooth
Cingulum - Correct answer-A convex area on the lingual surface of the anterior
teeth near the gingiva
cusp - Correct answer-pointed or rounded mound on the crown
Cusp of Carabelli - Correct answer-The fifth supplemental cusp found on the
lingual to the mesiolingual cusp of most maxillary 1st molars
Developmental Groove - Correct answer-Groove formed by the uniting of loves
during development of the crown of the tooth
Fissure - Correct answer-developmental Groove resulting from an imperfect union
where lobes come together
Fossa - Correct answer-shallow rounded or angular depression
Furcation - Correct answer-dividing point of a multi-rooted tooth
lobes - Correct answer-separate parts that come together to form a tooth; in molars-
become cusps
Mamelons - Correct answer-3 bulges on the incisal edge of newly erupted central
incisor; disappear from normal wear
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Answers
Class 1 Decay - Correct answer-Pit and fissure cavities
Class 2 Decay - Correct answer-Posterior interproximal cavities
Class 3 Decay - Correct answer-Anterior interproximal cavities
Class 4 Decay - Correct answer-Anterior interproximal cavities involving the
incisal angle
Class 5 Decay - Correct answer-Smooth surface cavities, near gumline
Class 6 Decay - Correct answer-Cavities or abrasions involving the a branded
incisal edge or the occlusion surface
Apex - Correct answer-At or near the end of the root
Apical Foramen - Correct answer-opening in the end if the tooth through which
nerve and blood vessels enter. may be more than one opening at end if root
bifurcated - Correct answer-when there are two roots on one tooth
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, buccal groove - Correct answer-linear depression forming a groove that extends
from the middle of the buccal surface to the occlusal surface of the tooth
Cingulum - Correct answer-A convex area on the lingual surface of the anterior
teeth near the gingiva
cusp - Correct answer-pointed or rounded mound on the crown
Cusp of Carabelli - Correct answer-The fifth supplemental cusp found on the
lingual to the mesiolingual cusp of most maxillary 1st molars
Developmental Groove - Correct answer-Groove formed by the uniting of loves
during development of the crown of the tooth
Fissure - Correct answer-developmental Groove resulting from an imperfect union
where lobes come together
Fossa - Correct answer-shallow rounded or angular depression
Furcation - Correct answer-dividing point of a multi-rooted tooth
lobes - Correct answer-separate parts that come together to form a tooth; in molars-
become cusps
Mamelons - Correct answer-3 bulges on the incisal edge of newly erupted central
incisor; disappear from normal wear
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
