PA EFDA Boards Questions and
ANSWERS GRADED A+
Hardest tissue in the body and is very brittle... -
ANSWERS>>>>>Enamel.
What color is enamel? - 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.. - ANSWERS>>>>>Ameloblasts.
The bulk of the tooth is made up of .. - ANSWERS>>>>>Dentin.
2nd hardest material in the body... - ANSWERS>>>>>Dentin.
The hard connective tissue lying just inside the enamel and
cementum.. - ANSWERS>>>>>Dentin.
Normally yellowish white and darker than enamel and slowly
darkens with age.. - ANSWERS>>>>>Dentin.
Dentin is distinguished by enamel by.. - ANSWERS>>>>>Dentin =
Dull flat appearance.
,Enamel= translucent and shiny.
With Explorer (when scratched)
Dentin =
Enamel= - ANSWERS>>>>>Dentin = Dull Sound.
Enamel= High Pitch.
Formed by cells called odontoblasts and develops with the pulp
from dental papilla of the tooth bud... - ANSWERS>>>>>Dentin.
3 Major Types of Dentin... - ANSWERS>>>>>1)Primary.
2) Secondary.
3) Reparative.
Produced before the tooth erupts and shortly after eruption... -
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.. -
ANSWERS>>>>>Secondary Dentin.
_____________ OR tertiary dentin forms rapidly when tooth has
received an excessive stimulus from caries, cavity preparation ,
OR other trama... - ANSWERS>>>>>Reparative.
,A Defense reaction to an area of injury.. -
ANSWERS>>>>>Reparative Dentin.
Ridge of enamel on the base or margin of a tooth.. -
ANSWERS>>>>>Cingulum.
The hard dental tissue covering the anatomical roots of teeth.. -
ANSWERS>>>>>Cementum.
Cementum is fromed by cells called.. -
ANSWERS>>>>>Cementoblasts
Cementum appears.. - ANSWERS>>>>>Light yellow, slightly
lighter than dentin.
Cementum is visible on teeth where.. - ANSWERS>>>>>The
gingiva had receded or has been removed.
Dentin has.. - ANSWERS>>>>>- 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.. - ANSWERS>>>>>!) Acellular
2) Cellular
Extends from the cementoenamel junction toward the root apex
covering a large portion of the tooth.. - ANSWERS>>>>>Acellular
Cementum.
Cannot Replace itself if it is diseased or has been removed
mechanically... - 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.. - 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.. - ANSWERS>>>>>The Pulp.
The Pulp is in a ____________ _____________ with one or more root
canals. - ANSWERS>>>>>Pulp Chamber.
The pulp is divided into... - 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.)
ANSWERS GRADED A+
Hardest tissue in the body and is very brittle... -
ANSWERS>>>>>Enamel.
What color is enamel? - 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.. - ANSWERS>>>>>Ameloblasts.
The bulk of the tooth is made up of .. - ANSWERS>>>>>Dentin.
2nd hardest material in the body... - ANSWERS>>>>>Dentin.
The hard connective tissue lying just inside the enamel and
cementum.. - ANSWERS>>>>>Dentin.
Normally yellowish white and darker than enamel and slowly
darkens with age.. - ANSWERS>>>>>Dentin.
Dentin is distinguished by enamel by.. - ANSWERS>>>>>Dentin =
Dull flat appearance.
,Enamel= translucent and shiny.
With Explorer (when scratched)
Dentin =
Enamel= - ANSWERS>>>>>Dentin = Dull Sound.
Enamel= High Pitch.
Formed by cells called odontoblasts and develops with the pulp
from dental papilla of the tooth bud... - ANSWERS>>>>>Dentin.
3 Major Types of Dentin... - ANSWERS>>>>>1)Primary.
2) Secondary.
3) Reparative.
Produced before the tooth erupts and shortly after eruption... -
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.. -
ANSWERS>>>>>Secondary Dentin.
_____________ OR tertiary dentin forms rapidly when tooth has
received an excessive stimulus from caries, cavity preparation ,
OR other trama... - ANSWERS>>>>>Reparative.
,A Defense reaction to an area of injury.. -
ANSWERS>>>>>Reparative Dentin.
Ridge of enamel on the base or margin of a tooth.. -
ANSWERS>>>>>Cingulum.
The hard dental tissue covering the anatomical roots of teeth.. -
ANSWERS>>>>>Cementum.
Cementum is fromed by cells called.. -
ANSWERS>>>>>Cementoblasts
Cementum appears.. - ANSWERS>>>>>Light yellow, slightly
lighter than dentin.
Cementum is visible on teeth where.. - ANSWERS>>>>>The
gingiva had receded or has been removed.
Dentin has.. - ANSWERS>>>>>- 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.. - ANSWERS>>>>>!) Acellular
2) Cellular
Extends from the cementoenamel junction toward the root apex
covering a large portion of the tooth.. - ANSWERS>>>>>Acellular
Cementum.
Cannot Replace itself if it is diseased or has been removed
mechanically... - 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.. - 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.. - ANSWERS>>>>>The Pulp.
The Pulp is in a ____________ _____________ with one or more root
canals. - ANSWERS>>>>>Pulp Chamber.
The pulp is divided into... - 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.)
