PA EFDA EXAMS SET COMPLETE
QUESTIONS WITH ACCURATE ANSWERS
COLLECTION
●● Function of Posterior Teeth.
Answer: Grind Food
●● Portion of the tooth that extends from the Incisal or occlusal surface
to the CEJ..
Answer: Anatomical Crown.
●● Also referred to as the cervical line ..
Appears as a slight constriction that encircles the tooth...
Answer: CEJ ( Cementoenmael Junction)
●● The Visible Portion of the Anatomical Crown.
Answer: Clinical crown
●● Area Where the Root Divides.
Answer: Furcation.
●● The actual division into 2 OR more roots..
,Answer: Furrow
●● Same Arch Touches Or Meets...
Answer: Contact Area.
●● Contact Area
=
Two Purposes..
Answer: 1) Food Trap (Prevent)
2) Stabilize Dental Arches.
●● What can eliminate a contact area?
Answer: Tooth Movement.
Loss of Teeth.
Poorly contoured Restorations.
●● Good Contact
=
Answer: Stabilizes the teeth to prevent drifting or tipping and protect
soft tissues.
●● No Contact
,=
Answer: Food Impaction resulting in tissue damage and Plaque Build
Up.
●● Continuous with the inter-proximal space between the teeth..
Answer: Embrasures.
●● Covers the anatomical Crown of the Tooth and Varies in Thickness in
Different Area's of the tooth...
Answer: Enamel.
●● Enamel is thicker at ..
Answer: The Incisal and Occulusal Surface.
●● Hardest tissue in the body and is very brittle...
Answer: Enamel.
●● What color is enamel?
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..
Answer: Ameloblasts.
, ●● The bulk of the tooth is made up of ..
Answer: Dentin.
●● 2nd hardest material in the body...
Answer: Dentin.
●● The hard connective tissue lying just inside the enamel and
cementum..
Answer: Dentin.
●● Normally yellowish white and darker than enamel and slowly
darkens with age..
Answer: Dentin.
●● Dentin is distinguished by enamel by..
Answer: Dentin = Dull flat appearance.
Enamel= translucent and shiny.
●● With Explorer (when scratched)
Dentin =
Enamel=
Answer: Dentin = Dull Sound.
QUESTIONS WITH ACCURATE ANSWERS
COLLECTION
●● Function of Posterior Teeth.
Answer: Grind Food
●● Portion of the tooth that extends from the Incisal or occlusal surface
to the CEJ..
Answer: Anatomical Crown.
●● Also referred to as the cervical line ..
Appears as a slight constriction that encircles the tooth...
Answer: CEJ ( Cementoenmael Junction)
●● The Visible Portion of the Anatomical Crown.
Answer: Clinical crown
●● Area Where the Root Divides.
Answer: Furcation.
●● The actual division into 2 OR more roots..
,Answer: Furrow
●● Same Arch Touches Or Meets...
Answer: Contact Area.
●● Contact Area
=
Two Purposes..
Answer: 1) Food Trap (Prevent)
2) Stabilize Dental Arches.
●● What can eliminate a contact area?
Answer: Tooth Movement.
Loss of Teeth.
Poorly contoured Restorations.
●● Good Contact
=
Answer: Stabilizes the teeth to prevent drifting or tipping and protect
soft tissues.
●● No Contact
,=
Answer: Food Impaction resulting in tissue damage and Plaque Build
Up.
●● Continuous with the inter-proximal space between the teeth..
Answer: Embrasures.
●● Covers the anatomical Crown of the Tooth and Varies in Thickness in
Different Area's of the tooth...
Answer: Enamel.
●● Enamel is thicker at ..
Answer: The Incisal and Occulusal Surface.
●● Hardest tissue in the body and is very brittle...
Answer: Enamel.
●● What color is enamel?
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..
Answer: Ameloblasts.
, ●● The bulk of the tooth is made up of ..
Answer: Dentin.
●● 2nd hardest material in the body...
Answer: Dentin.
●● The hard connective tissue lying just inside the enamel and
cementum..
Answer: Dentin.
●● Normally yellowish white and darker than enamel and slowly
darkens with age..
Answer: Dentin.
●● Dentin is distinguished by enamel by..
Answer: Dentin = Dull flat appearance.
Enamel= translucent and shiny.
●● With Explorer (when scratched)
Dentin =
Enamel=
Answer: Dentin = Dull Sound.
