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PA EFDA Boards Actual Exam | A Grade| 300+ Questions with 100% Correct Answers |Verified
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PA EFDA Boards Actual Exam | A Grade| 300+ Questions with 100% Correct Answers |Verified
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PA EFDA Boards Actual Exam | A Grade| 300+Questions with 100% Correct Answers |Verified
The hard dental tissue covering the anatomical roots of teeth.. - ✔✔Cementum.
Cementum is fromed by cells called.. - ✔✔Cementoblasts
Cementum appears.. - ✔✔Light yellow, slightly lighter than dentin.
Cementum is visible on teeth where.. - ✔✔The gingiva had receded or has been removed.
Dentin has.. - ✔✔- 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.. - ✔✔!) Acellular
2) Cellular
Extends from the cementoenamel junction toward the root apex covering a large portion of the
tooth.. - ✔✔Acellular Cementum.
Cannot Replace itself if it is diseased or has been removed mechanically... - ✔✔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.. - ✔✔Cellular Cementum.
,Provides the developmental protective, and sensory mechanism or the tooth and the nutrients
and metabolic processes necessary to sustain it's life.. - ✔✔The Pulp.
The Pulp is in a ____________ _____________ with one or more root canals. - ✔✔Pulp
Chamber.
The pulp is divided into... - ✔✔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.. - ✔✔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.. - ✔✔Apical Forman.
The pulp may be harmed by.. - ✔✔1) Sterilizing, Cleaning, Drying , and desensitizing agents.
2) Temperature.
3) Air.
4) Pressure.
5) Some cavity Liners.
6) Some temporary or permanent restorative materials.
A major developmental convexity on or near the occlusal surface of a posterior tooth.. -
✔✔Cusp
,A cusp is also found on the Insical edges of... - ✔✔Canies.
Function of Anterior Teeth. - ✔✔Tear/Incise Food
Function of Posterior Teeth. - ✔✔Grind Food
Portion of the tooth that extends from the Incisal or occlusal surface to the CEJ.. -
✔✔Anatomical Crown.
Also referred to as the cervical line ..
Appears as a slight constriction that encircles the tooth... - ✔✔CEJ ( Cementoenmael
Junction)
The Visible Portion of the Anatomical Crown. - ✔✔Clinical crown
Area Where the Root Divides. - ✔✔Furcation.
The actual division into 2 OR more roots.. - ✔✔Furrow
Same Arch Touches Or Meets... - ✔✔Contact Area.
Contact Area
=
Two Purposes.. - ✔✔1) Food Trap (Prevent)
2) Stabilize Dental Arches.
What can eliminate a contact area? - ✔✔Tooth Movement.
, Loss of Teeth.
Poorly contoured Restorations.
Good Contact
= - ✔✔Stabilizes the teeth to prevent drifting or tipping and protect soft tissues.
No Contact
= - ✔✔Food Impaction resulting in tissue damage and Plaque Build Up.
Continuous with the inter-proximal space between the teeth.. - ✔✔Embrasures.
Covers the anatomical Crown of the Tooth and Varies in Thickness in Different Area's of the
tooth... - ✔✔Enamel.
Enamel is thicker at .. - ✔✔The Incisal and Occulusal Surface.
Hardest tissue in the body and is very brittle... - ✔✔Enamel.
What color is enamel? - ✔✔Yellowish white to grayish white, but also depends on the
underlying dentin.
Enamel is composed of rods (prisms) that are formed as cells called.. - ✔✔Ameloblasts.
The bulk of the tooth is made up of .. - ✔✔Dentin.
2nd hardest material in the body... - ✔✔Dentin.
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