PA EFDA Boards Exam with Questions
and Correct Answers 2025
Function of Anterior Teeth. - CORRECT ANSWERS Tear/Incise Food
Function of Posterior Teeth. - CORRECT ANSWERS Grind Food
Portion of the tooth that extends from the Incisal or occlusal surface to the CEJ.. -
CORRECT ANSWERS Anatomical Crown.
Also referred to as the cervical line ..
Appears as a slight constriction that encircles the tooth... - CORRECT ANSWERS CEJ (
Cementoenmael Junction)
The Visible Portion of the Anatomical Crown. - CORRECT ANSWERS Clinical crown
Area Where the Root Divides. - CORRECT ANSWERS Furcation.
The actual division into 2 OR more roots.. - CORRECT ANSWERS Furrow
Same Arch Touches Or Meets... - CORRECT ANSWERS Contact Area.
Contact Area
=
Two Purposes.. - CORRECT ANSWERS 1) Food Trap (Prevent)
2) Stabilize Dental Arches.
What can eliminate a contact area? - CORRECT ANSWERS Tooth Movement.
Loss of Teeth.
Poorly contoured Restorations.
Good Contact
= - CORRECT ANSWERS Stabilizes the teeth to prevent drifting or tipping and protect soft
tissues.
No Contact
= - CORRECT ANSWERS Food Impaction resulting in tissue damage and Plaque Build
Up.
Continuous with the inter-proximal space between the teeth.. - CORRECT ANSWERS
Embrasures.
,Covers the anatomical Crown of the Tooth and Varies in Thickness in Different Area's of
the tooth... - CORRECT ANSWERS Enamel.
Enamel is thicker at .. - CORRECT ANSWERS The Incisal and Occulusal Surface.
Hardest tissue in the body and is very brittle... - CORRECT ANSWERS Enamel.
What color is enamel? - CORRECT ANSWERS 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
ANSWERS Ameloblasts.
The bulk of the tooth is made up of .. - CORRECT ANSWERS Dentin.
2nd hardest material in the body... - CORRECT ANSWERS Dentin.
The hard connective tissue lying just inside the enamel and cementum.. - CORRECT
ANSWERS Dentin.
Normally yellowish white and darker than enamel and slowly darkens with age.. -
CORRECT ANSWERS Dentin.
Dentin is distinguished by enamel by.. - CORRECT ANSWERS Dentin = Dull flat
appearance.
Enamel= translucent and shiny.
With Explorer (when scratched)
Dentin =
Enamel= - CORRECT ANSWERS Dentin = Dull Sound.
Enamel= High Pitch.
Formed by cells called odontoblasts and develops with the pulp from dental papilla of the
tooth bud... - CORRECT ANSWERS Dentin.
3 Major Types of Dentin... - CORRECT ANSWERS 1)Primary.
2) Secondary.
3) Reparative.
Produced before the tooth erupts and shortly after eruption... - CORRECT ANSWERS
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 ANSWERS Secondary Dentin.
, _____________ OR tertiary dentin forms rapidly when the tooth has received an
excessive stimulus from caries, cavity preparation , OR other trauma... - CORRECT
ANSWERS Reparative.
A Defense reaction to an area of injury.. - CORRECT ANSWERS Reparative Dentin.
Ridge of enamel on the base or margin of a tooth.. - CORRECT ANSWERS Cingulum.
The hard dental tissue covering the anatomical roots of teeth.. - CORRECT ANSWERS
Cementum.
Cementum is formed by cells called.. - CORRECT ANSWERS Cementoblasts
Cementum appears.. - CORRECT ANSWERS Light yellow, slightly lighter than dentin.
Cementum is visible on teeth where.. - CORRECT ANSWERS The gingiva had receded or
has been removed.
Dentin has.. - CORRECT ANSWERS - High Fluoride content of all materialized tissue.
- Does NOT have its own blood supply.
-Rely's on the periodontium ligament for nutrition.
Two Types of Cementum.. - CORRECT ANSWERS !) Acellular
2) Cellular
Extends from the cementoenamel junction toward the root apex covering a large portion of
the tooth.. - CORRECT ANSWERS Acellular Cementum.
Cannot Replace itself if it is diseased or has been removed mechanically... - CORRECT
ANSWERS 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 ANSWERS 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 ANSWERS
The Pulp.
The Pulp is in a ____________ _____________ _ _ _ _ _ _ _ _ _ _ _ _ with one or more root
canals. - CORRECT ANSWERS Pulp Chamber.
The pulp is divided into... - CORRECT ANSWERS 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 ANSWERS 1) Formative or Developmental.
and Correct Answers 2025
Function of Anterior Teeth. - CORRECT ANSWERS Tear/Incise Food
Function of Posterior Teeth. - CORRECT ANSWERS Grind Food
Portion of the tooth that extends from the Incisal or occlusal surface to the CEJ.. -
CORRECT ANSWERS Anatomical Crown.
Also referred to as the cervical line ..
Appears as a slight constriction that encircles the tooth... - CORRECT ANSWERS CEJ (
Cementoenmael Junction)
The Visible Portion of the Anatomical Crown. - CORRECT ANSWERS Clinical crown
Area Where the Root Divides. - CORRECT ANSWERS Furcation.
The actual division into 2 OR more roots.. - CORRECT ANSWERS Furrow
Same Arch Touches Or Meets... - CORRECT ANSWERS Contact Area.
Contact Area
=
Two Purposes.. - CORRECT ANSWERS 1) Food Trap (Prevent)
2) Stabilize Dental Arches.
What can eliminate a contact area? - CORRECT ANSWERS Tooth Movement.
Loss of Teeth.
Poorly contoured Restorations.
Good Contact
= - CORRECT ANSWERS Stabilizes the teeth to prevent drifting or tipping and protect soft
tissues.
No Contact
= - CORRECT ANSWERS Food Impaction resulting in tissue damage and Plaque Build
Up.
Continuous with the inter-proximal space between the teeth.. - CORRECT ANSWERS
Embrasures.
,Covers the anatomical Crown of the Tooth and Varies in Thickness in Different Area's of
the tooth... - CORRECT ANSWERS Enamel.
Enamel is thicker at .. - CORRECT ANSWERS The Incisal and Occulusal Surface.
Hardest tissue in the body and is very brittle... - CORRECT ANSWERS Enamel.
What color is enamel? - CORRECT ANSWERS 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
ANSWERS Ameloblasts.
The bulk of the tooth is made up of .. - CORRECT ANSWERS Dentin.
2nd hardest material in the body... - CORRECT ANSWERS Dentin.
The hard connective tissue lying just inside the enamel and cementum.. - CORRECT
ANSWERS Dentin.
Normally yellowish white and darker than enamel and slowly darkens with age.. -
CORRECT ANSWERS Dentin.
Dentin is distinguished by enamel by.. - CORRECT ANSWERS Dentin = Dull flat
appearance.
Enamel= translucent and shiny.
With Explorer (when scratched)
Dentin =
Enamel= - CORRECT ANSWERS Dentin = Dull Sound.
Enamel= High Pitch.
Formed by cells called odontoblasts and develops with the pulp from dental papilla of the
tooth bud... - CORRECT ANSWERS Dentin.
3 Major Types of Dentin... - CORRECT ANSWERS 1)Primary.
2) Secondary.
3) Reparative.
Produced before the tooth erupts and shortly after eruption... - CORRECT ANSWERS
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 ANSWERS Secondary Dentin.
, _____________ OR tertiary dentin forms rapidly when the tooth has received an
excessive stimulus from caries, cavity preparation , OR other trauma... - CORRECT
ANSWERS Reparative.
A Defense reaction to an area of injury.. - CORRECT ANSWERS Reparative Dentin.
Ridge of enamel on the base or margin of a tooth.. - CORRECT ANSWERS Cingulum.
The hard dental tissue covering the anatomical roots of teeth.. - CORRECT ANSWERS
Cementum.
Cementum is formed by cells called.. - CORRECT ANSWERS Cementoblasts
Cementum appears.. - CORRECT ANSWERS Light yellow, slightly lighter than dentin.
Cementum is visible on teeth where.. - CORRECT ANSWERS The gingiva had receded or
has been removed.
Dentin has.. - CORRECT ANSWERS - High Fluoride content of all materialized tissue.
- Does NOT have its own blood supply.
-Rely's on the periodontium ligament for nutrition.
Two Types of Cementum.. - CORRECT ANSWERS !) Acellular
2) Cellular
Extends from the cementoenamel junction toward the root apex covering a large portion of
the tooth.. - CORRECT ANSWERS Acellular Cementum.
Cannot Replace itself if it is diseased or has been removed mechanically... - CORRECT
ANSWERS 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 ANSWERS 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 ANSWERS
The Pulp.
The Pulp is in a ____________ _____________ _ _ _ _ _ _ _ _ _ _ _ _ with one or more root
canals. - CORRECT ANSWERS Pulp Chamber.
The pulp is divided into... - CORRECT ANSWERS 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 ANSWERS 1) Formative or Developmental.
