7/10/25, 2:36 PM EFDA Review Flashcards
EFDA Review EXAM 2025-2026 \COMPLETE
QUESTIONS AND CORRECT DETAILED
ANSWERS \VERIFIED 100% \LATEST
UPDATE
Terms in this set (398)
The portion that extends from the incisal or occlusal
What is the anatomical
surface to the enamel's junction with the cementum of
crown?
the root
The visible portion of the anatomical crown extending
What is the clinical crown? from the crest of the soft tissue and includes the
occlusal surface or incisal edge
What is the A slight constriction that encircles the tooth, dipping
cementoenamel junction apically on the facial and lingual surfaces and rising
(cervical line)? coronally on the proximal surfaces
What is the function of the To tear or incise food
anterior teeth?
What is the function of the Shaped with broad biting and convex surfaces that
posterior teeth? grind food
Coronal to the actual division into two or more roots
Where is the furrow? is a concavity that extends to or nearly to the
cementoenamel junction
The point or area where approximating teeth in the
Define contact area
same arch touch or meet each other
To keep food from packaging between the teeth and
What is the functions of
to help stabilize the dental arches by combining the
the contact area?
anchorage of all teeth in either arch
1/38
,7/10/25, 2:36 PM EFDA Review Flashcards
The spaces adjacent to and surrounding the contact
What is an embrasure?
of the teeth in the same arch
Where is enamel the At the incisal or occlusal areas
thickest?
What is enamel's 95% inorganic matter, mainly hydroxyapatite, and 5%
composition? organic matter and water
____ is the hardest tissue in Enamel
the body
___is the second hardest Dentin
material in the body
___ provides support for Dentin
enamel and increases in
hardness as it ages
When scratching dentin Dull
with an explorer, it exhibits
a___ sound opposed to
the sharp higher pitch of
enamel
70% inorganic matter, 20% organic matter, and 10%
Dentin is composed of
water
Is produced before the tooth erupts and shortly after
Primary dentin
eruption
Is a continuation of primary dentin that forms at a
Secondary dentin slower rate as the tooth ages and throughout the life
of the tooth
Forms rapidly when the tooth has received an
Reparative/Tertiary dentin excessive stimulus from caries, cavity preparation, or
other trauma
___ is the hard dental tissue Cementum
covering the anatomical
roots of the teeth
2/38
,7/10/25, 2:36 PM EFDA Review Flashcards
What has the highest Cementum
fluoride content of all the
materialized tissue?
___ has no blood supply of Cementum
its own, but derives its
nutrition from the
periodontal ligament
What cementum cannot Acellular
replace itself if it is
diseased or has been
removed mechanically?
____ cementum extends Acellular
from the cementoenamel
junction toward the root
apex covering a large
portion of the root. Thin
toward the
cementoenamel junction
and thick toward the root
apex
What is the fourth hardest Cementum
material in the body?
___ cementum of the apex Cellular
of the root is made of
cells that are actively
producing new layers of
cementum throughout the
life of the tooth
The pulp serves functions Formative/Developmental, Nutritive, Sensory,
such as Defensive/Protective
What function provides Sensory
sensory nerve fibers within
the pulp to mediate the
sensation of pain?
3/38
, 7/10/25, 2:36 PM EFDA Review Flashcards
What function is related to Defensive
its response to irritation by
mechanical, thermal,
chemical, bacterial
stimuli?
Irritation such as tooth Degeneration and death of the involved cells
fracture, grinding of
teeth/bruxism, cavity
preparation or chemical
irritation can cause
What function supplies Nutritive
nutrients and fluids to the
dentin through the blood
supply?
Sterilizing, cleaning, drying and desensitizing agents,
What can cause the pulp
temperatures, air, pressure, some cavity liners, some
to be harmed?
temp/permanent restorative materials
What is a major Cusp
developmental convexity
on or near the occlusal
surface of a posterior
teeth?
Which teeth usually have Maxillary first and second molars and mandibular
four cusps? second molars
What tooth is unique in Mandibular first molar
that it also has a small fifth
cusp near the distobuccal
line angle known as a
distal cusp
What tooth may also have Maxillary first molar
a fifth cusp on the lingual
surface
4/38
EFDA Review EXAM 2025-2026 \COMPLETE
QUESTIONS AND CORRECT DETAILED
ANSWERS \VERIFIED 100% \LATEST
UPDATE
Terms in this set (398)
The portion that extends from the incisal or occlusal
What is the anatomical
surface to the enamel's junction with the cementum of
crown?
the root
The visible portion of the anatomical crown extending
What is the clinical crown? from the crest of the soft tissue and includes the
occlusal surface or incisal edge
What is the A slight constriction that encircles the tooth, dipping
cementoenamel junction apically on the facial and lingual surfaces and rising
(cervical line)? coronally on the proximal surfaces
What is the function of the To tear or incise food
anterior teeth?
What is the function of the Shaped with broad biting and convex surfaces that
posterior teeth? grind food
Coronal to the actual division into two or more roots
Where is the furrow? is a concavity that extends to or nearly to the
cementoenamel junction
The point or area where approximating teeth in the
Define contact area
same arch touch or meet each other
To keep food from packaging between the teeth and
What is the functions of
to help stabilize the dental arches by combining the
the contact area?
anchorage of all teeth in either arch
1/38
,7/10/25, 2:36 PM EFDA Review Flashcards
The spaces adjacent to and surrounding the contact
What is an embrasure?
of the teeth in the same arch
Where is enamel the At the incisal or occlusal areas
thickest?
What is enamel's 95% inorganic matter, mainly hydroxyapatite, and 5%
composition? organic matter and water
____ is the hardest tissue in Enamel
the body
___is the second hardest Dentin
material in the body
___ provides support for Dentin
enamel and increases in
hardness as it ages
When scratching dentin Dull
with an explorer, it exhibits
a___ sound opposed to
the sharp higher pitch of
enamel
70% inorganic matter, 20% organic matter, and 10%
Dentin is composed of
water
Is produced before the tooth erupts and shortly after
Primary dentin
eruption
Is a continuation of primary dentin that forms at a
Secondary dentin slower rate as the tooth ages and throughout the life
of the tooth
Forms rapidly when the tooth has received an
Reparative/Tertiary dentin excessive stimulus from caries, cavity preparation, or
other trauma
___ is the hard dental tissue Cementum
covering the anatomical
roots of the teeth
2/38
,7/10/25, 2:36 PM EFDA Review Flashcards
What has the highest Cementum
fluoride content of all the
materialized tissue?
___ has no blood supply of Cementum
its own, but derives its
nutrition from the
periodontal ligament
What cementum cannot Acellular
replace itself if it is
diseased or has been
removed mechanically?
____ cementum extends Acellular
from the cementoenamel
junction toward the root
apex covering a large
portion of the root. Thin
toward the
cementoenamel junction
and thick toward the root
apex
What is the fourth hardest Cementum
material in the body?
___ cementum of the apex Cellular
of the root is made of
cells that are actively
producing new layers of
cementum throughout the
life of the tooth
The pulp serves functions Formative/Developmental, Nutritive, Sensory,
such as Defensive/Protective
What function provides Sensory
sensory nerve fibers within
the pulp to mediate the
sensation of pain?
3/38
, 7/10/25, 2:36 PM EFDA Review Flashcards
What function is related to Defensive
its response to irritation by
mechanical, thermal,
chemical, bacterial
stimuli?
Irritation such as tooth Degeneration and death of the involved cells
fracture, grinding of
teeth/bruxism, cavity
preparation or chemical
irritation can cause
What function supplies Nutritive
nutrients and fluids to the
dentin through the blood
supply?
Sterilizing, cleaning, drying and desensitizing agents,
What can cause the pulp
temperatures, air, pressure, some cavity liners, some
to be harmed?
temp/permanent restorative materials
What is a major Cusp
developmental convexity
on or near the occlusal
surface of a posterior
teeth?
Which teeth usually have Maxillary first and second molars and mandibular
four cusps? second molars
What tooth is unique in Mandibular first molar
that it also has a small fifth
cusp near the distobuccal
line angle known as a
distal cusp
What tooth may also have Maxillary first molar
a fifth cusp on the lingual
surface
4/38
