PA EFDA Boards| 314 questions| with complete solutions
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Course
EFDA
Institution
KAPLAN UNIVERSITY
Function of Anterior Teeth. Correct Answer: Tear/Incise Food
Function of Posterior Teeth. Correct Answer: Grind Food
Portion of the tooth that extends from the Incisal or occlusal surface to the CEJ.. Correct Answer: Anatomical Crown.
Also referred to as the cervical line ..
Appears as...
pa efda boards| 314 questions| with complete solutions
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PA EFDA Boards| 314 questions| with complete solutions
Function of Anterior Teeth. Correct Answer: Tear/Incise Food
Function of Posterior Teeth. Correct Answer: Grind Food
Portion of the tooth that extends from the Incisal or occlusal surface to the CEJ.. Correct Answer:
Anatomical Crown.
Also referred to as the cervical line ..
Appears as a slight constriction that encircles the tooth... Correct Answer: CEJ
( Cementoenmael Junction)
The Visible Portion of the Anatomical Crown. Correct Answer: Clinical crown
Area Where the Root Divides. Correct Answer: Furcation.
The actual division into 2 OR more roots.. Correct Answer: Furrow
Same Arch Touches Or Meets... Correct Answer: Contact Area.
Contact Area
=
Two Purposes.. Correct Answer: 1) Food Trap (Prevent)
2) Stabilize Dental Arches.
What can eliminate a contact area? Correct Answer: Tooth Movement.
Loss of Teeth.
Poorly contoured Restorations.
Good Contact
= Correct Answer: Stabilizes the teeth to prevent drifting or tipping and protect soft tissues.
No Contact
= Correct Answer: Food Impaction resulting in tissue damage and Plaque Build Up.
Continuous with the inter-proximal space between the teeth.. Correct Answer: Embrasures.
Covers the anatomical Crown of the Tooth and Varies in Thickness in Different Area's of the
tooth... Correct Answer: Enamel.
Enamel is thicker at .. Correct Answer: The Incisal and Occulusal Surface.
Hardest tissue in the body and is very brittle... Correct Answer: Enamel.
,What color is enamel? Correct Answer: Yellowish white to grayish white, but also depends on
the underlying dentin.
Enamel is composed of rods (prisms) that are formed as cells called.. Correct Answer:
Ameloblasts.
The bulk of the tooth is made up of .. Correct Answer: Dentin.
2nd hardest material in the body... Correct Answer: Dentin.
The hard connective tissue lying just inside the enamel and cementum.. Correct Answer: Dentin.
Normally yellowish white and darker than enamel and slowly darkens with age.. Correct
Answer: Dentin.
Dentin is distinguished by enamel by.. Correct Answer: Dentin = Dull flat appearance.
Enamel= translucent and shiny.
With Explorer (when scratched)
Dentin =
Enamel= Correct Answer: Dentin = Dull Sound.
Enamel= High Pitch.
Formed by cells called odontoblasts and develops with the pulp from dental papilla of the tooth
bud... Correct Answer: Dentin.
3 Major Types of Dentin... Correct Answer: 1)Primary.
2) Secondary.
3) Reparative.
Produced before the tooth erupts and shortly after eruption... Correct Answer: Primary Dentin.
A continuation of primary dentin that forms at a slower rate as the tooth ages and throughout the
life of a tooth.. Correct Answer: Secondary Dentin.
_____________ OR tertiary dentin forms rapidly when tooth has received an excessive stimulus
from caries, cavity preparation , OR other trama... Correct Answer: Reparative.
A Defense reaction to an area of injury.. Correct Answer: Reparative Dentin.
Ridge of enamel on the base or margin of a tooth.. Correct Answer: Cingulum.
The hard dental tissue covering the anatomical roots of teeth.. Correct Answer: Cementum.
Cementum is fromed by cells called.. Correct Answer: Cementoblasts
Cementum is visible on teeth where.. Correct Answer: The gingiva had receded or has been
removed.
Dentin has.. Correct Answer: - High Fluoride content of all materialized tissue.
- Does NOT have it's own blood supply.
-Rely's on the periodontium ligament for nutrition.
Two Types of Cementum.. Correct Answer: !) Acellular
2) Cellular
Extends from the cementoenamel junction toward the root apex covering a large portion of the
tooth.. Correct Answer: Acellular Cementum.
Cannot Replace itself if it is diseased or has been removed mechanically... Correct Answer:
Acellular Cementum.
On the apex of the root is made of cells that are actively producing new layers of cementum
throughout the life of the tooth.. Correct Answer: Cellular Cementum.
Provides the developmental protective, and sensory mechanism or the tooth and the nutrients and
metabolic processes necessary to sustain it's life.. Correct Answer: The Pulp.
The Pulp is in a ____________ _____________ with one or more root canals. Correct Answer:
Pulp Chamber.
The pulp is divided into... Correct Answer: 1) The coronal Pulp located in the pulp chamber in
the crown portion of the tooth. Including ; Pulp Horns.
2) Radicular Pulp ( The pulp in the canals of the roots.)
The Pulp serves 4 Functions.. Correct Answer: 1) Formative or Developmental.
2)Nutritive.
3)Sensory.
4) Defensive or Protective.
Where the nerves, arterioles, and venues (components of arteries and veins) enter and leave the
pulp.. Correct Answer: Apical Forman.
The pulp may be harmed by.. Correct Answer: 1) Sterilizing, Cleaning, Drying , and
desensitizing agents.
2) Temperature.
3) Air.
4) Pressure.
5) Some cavity Liners.
6) Some temporary or permanent restorative materials.
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