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EFDA Midterm Questions and Answers Fully Solved
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Exam of 17 pages for the course EFDA at EFDA (EFDA Midterm)
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EFDA MidtermBasic Qualified Personnel - answer can perform basic remediable intra oral dental tasks
under the direct supervision and full responsibility of a licensed dentist
Advanced Qualified Personnel - answer AKA EFDA
-passed Ohio State Dental Board EFDA
-perform advanced remediable intra oral dental tasks under the direction supervision
and full responsibility of a licensed dentist
-limit of 2 EFDA's per 1 Dentist
What can EFDA's do? - answer all things that basic qualified personnel can plus
-placement of pit and fissure sealants
-amalgam restorative materials
-non metallic restorative materials including direct bonded restorations
Revocation - answer forever
Suspension - answer lose time
-definite= specific amount of time
-indefinite = until conditions met
restriction - answercannot do certain things; limited
-can be permanent or temporary
probation - answeron watch until become compliant again
censure/reprimand - answerformal/public in writing*
Universal Numbering System - answeridentification of the teeth by numbering the
permanent teeth 1-32 and lettering the primary teeth A-T
Federation Dentaire International system - answeris another method for numbering the
teeth. a two digit code that identifies the quadrant and the tooth
-first number represents a quadrant
-second number represents a tooth
Anatomical crown - answerPortion of the tooth that extends from the incisal or occlusal
surface to the CEJ
CEJ - answerdictates the contour of the restoration placed in the area of the tooth
,clinical crown - answerthe visible portion of the anatomical crown extending from the
crest of the soft tissue and includes incisal/occlusal surface
furrow - answerconcavity coronal to the furcation that extends to or nearly to CEJ
contact area - answerthe point of area where approximating teeth in the same arch
touch or meet each other
-prevents food trap
-stabilize dental arch
-tooth loss, poorly contoured restorations, loss of teeth can eliminate contact areas
embrasures - answerspaces adjacent to and surrounding the contact of the teeth in the
same arch
-continuous with inter proximal space
-four embrasures surrounding proximal area
-present between all teeth unless they have been eliminated
*make teeth self-cleansing*
enamel - answerhardest substance in the body
-covers anatomical crown
-composed of enamel rods which break off unless supported by dentin
-formed by ameloblasts
-in permanent teeth: formation completed 3 years before eruption
Dentin - answerthe bulk of the tooth
-second hardest substance in body
-provides support for enamel
-increases in hardness with age
-surrounds, insulates and protects pulp
-formed by odontoblasts
-tubules protoplasmic extensions of cells that line chamber
primary dentin - answerproduced before the tooth erupts and shortly after eruption
secondary dentin - answercontinuation of primary dentin that forms at a slower rate as
the tooth ages and throughout the life of the tooth
tertiary dentin - answerreparative
-forms rapidly when the tooth has received an excessive stimulus from caries, cavity
prep, or other trauma
-deposites are placed at the apice and gradually reduce the size of the pulp
Cementum - answercovers anatomical root
-4th hardest substance in body
-visible where recession is present
-highest fluoride content*
, -no blood supply; gets nutrients from PDL
cellular cementum - answerlocated on the apex of the root which is made up of cells
that are actively producing new layers of cementum throughout the life of the tooth
-as enamel wears, are layers of cementum deposited at apex which increases the
length of the root as the anatomical crown decreases
acellular cementum - answerextends from CEJ toward root apex covering a large
portion of the root
-very thin near CEJ and thick toward apex
-cannot replace itself to form new cells if it is diseases or mechanically removed
pulp - answerprovides the developmental, protective, and sensory mechanisms of tooth,
nutrients and metabolic processes necessary to sustain life
-size reduced with age
-most of pulp chamber is in cervical portion of root and only pulp horns extend in crown
in adult teeth
-soft tissue with an outer layer of odontoblasts producing dentin
Coronal pulp - answerlocated in the pulp chamber in the crown portion of the tooth
directed toward the incisal ridges/cusp tips
radicular pulp - answerlocated in the pulp canals in the roots of the teeth (AKA root
canals)
accessory canals - answerlocated on the lateral portions of the root (lateral canal)
4 functions of pulp - answerformative/developmental
nutritive
sensory
defensive/protective
cusp - answermajor developmental convexity on or near the occlusal surface of a
posterior tooth and on incisal edges of canines
premolar cusps - answer2
B and L
mandibular 2nd premolar - answer3 cusps
B, L, L
maxillary 1st molars - answer5 cusps
Cusp of Carabelli on ML cusp
Mandibular 1st molars - answer5 cusps
D cusp
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