7/10/25, 4:50 PM
EFDA Test bank FINAL EXAM 2025 \NEWEST VERSIO WITH COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS \VERIFIED ANSWERS
\GRADED A+\LATEST UPDATE
rubber dam
what is the ideal isolation
method
time consumed in placement
disadvantage to using a
rubber dam
1 tooth distal and 2 teeth mesial
how many teeth do you
isolate when using a rubber
dam
closes the opening of the cut dentinal tubules and
sealer
prevent chemical irritants from reaching the pulp
have the ability to soothe the sensitive pulp or reduce
obtundents
the irritability of a pulp
-eugenol/oil of cloves
-also referred to as a base, and is placed to keep the
insulator
pulp from thermal irritation
into the enamel or 1mm into the dentin
min depth
between 1mm into the dentin but greater than 0.5mm
mod depth
from the pulp
Can perform basic remediable intraoral dental tasks
Basic Qualified Personnel
under the DIRECT supervision and full responsibility of
a licensed dentist.
1/20
,7/10/25, 4:54 PM EFDA final
AKA EFDA
-passed Ohio State Dental Board EFDA
Advanced Qualified -perform ADVANCED remediable intra oral dental tasks
Personnel under the direction supervision and full responsibility
of a licensed dentist
-limit of 2 EFDA's per 1 Dentist
-Unlicensed dentist -
-Dental student - enrolled
-Graduates of unaccredited dental colleges outside of
who can become an EFDA the USA - after admin to program
-Certified Dental Asst.
-Licensed dental hygienists -
-Unlicensed dental hygienists
all things that basic qualified personnel can plus
-placement of pit and fissure sealants
What can EFDA's do?
-amalgam restorative materials
-non metallic restorative materials including direct bonded
restorations
Revocation Forever
• Lose Time
Suspension -Definite - specific amt
-Indefinite - conditions met
• Can't do certain things
Restriction
-Permanent or temporary
Probation specific restriction upon meeting the requirement of the board
Censure/ Reprimand formal/public in writing
anatomical crown Portion of the tooth that is covered with enamel
clinical crown That portion of the tooth that is visible
CEJ dictates.... the contours of restorations placed in this area of the tooth
the length of the clinical selection of the matrix and final contours of a restoration
crown influences the...
concavity is called furrow: only above the furcation on the buccal
contact area same teeth in the same arch touch or meet each other
1. keeping food from being impacted
contact area serves 2
purposes 2. help stabilize the dental arch by combining the anchorage of all
teeth
embrasures space adjacent to and surrounding the contact of the teeth in the
same arch
2/20
, 7/10/25, 4:54 PM EFDA final
-occlusal/incisal: posterior/anterior
-lingual: tongue
4 embrasures areas
-facial: buccal or labial
-gingival
what is the largest embrasure lingual embrasure
embrasures make teeth... more self cleaning
-hardest tissue in the body
-thicker at incisal/occlusal edge and thinner towards the root
enamel -color depends on thickness and underlying dentin
-formed by ameloblasts
-brittle
When is enamel formation 3yrs before eruption
complete?
3/20
EFDA Test bank FINAL EXAM 2025 \NEWEST VERSIO WITH COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS \VERIFIED ANSWERS
\GRADED A+\LATEST UPDATE
rubber dam
what is the ideal isolation
method
time consumed in placement
disadvantage to using a
rubber dam
1 tooth distal and 2 teeth mesial
how many teeth do you
isolate when using a rubber
dam
closes the opening of the cut dentinal tubules and
sealer
prevent chemical irritants from reaching the pulp
have the ability to soothe the sensitive pulp or reduce
obtundents
the irritability of a pulp
-eugenol/oil of cloves
-also referred to as a base, and is placed to keep the
insulator
pulp from thermal irritation
into the enamel or 1mm into the dentin
min depth
between 1mm into the dentin but greater than 0.5mm
mod depth
from the pulp
Can perform basic remediable intraoral dental tasks
Basic Qualified Personnel
under the DIRECT supervision and full responsibility of
a licensed dentist.
1/20
,7/10/25, 4:54 PM EFDA final
AKA EFDA
-passed Ohio State Dental Board EFDA
Advanced Qualified -perform ADVANCED remediable intra oral dental tasks
Personnel under the direction supervision and full responsibility
of a licensed dentist
-limit of 2 EFDA's per 1 Dentist
-Unlicensed dentist -
-Dental student - enrolled
-Graduates of unaccredited dental colleges outside of
who can become an EFDA the USA - after admin to program
-Certified Dental Asst.
-Licensed dental hygienists -
-Unlicensed dental hygienists
all things that basic qualified personnel can plus
-placement of pit and fissure sealants
What can EFDA's do?
-amalgam restorative materials
-non metallic restorative materials including direct bonded
restorations
Revocation Forever
• Lose Time
Suspension -Definite - specific amt
-Indefinite - conditions met
• Can't do certain things
Restriction
-Permanent or temporary
Probation specific restriction upon meeting the requirement of the board
Censure/ Reprimand formal/public in writing
anatomical crown Portion of the tooth that is covered with enamel
clinical crown That portion of the tooth that is visible
CEJ dictates.... the contours of restorations placed in this area of the tooth
the length of the clinical selection of the matrix and final contours of a restoration
crown influences the...
concavity is called furrow: only above the furcation on the buccal
contact area same teeth in the same arch touch or meet each other
1. keeping food from being impacted
contact area serves 2
purposes 2. help stabilize the dental arch by combining the anchorage of all
teeth
embrasures space adjacent to and surrounding the contact of the teeth in the
same arch
2/20
, 7/10/25, 4:54 PM EFDA final
-occlusal/incisal: posterior/anterior
-lingual: tongue
4 embrasures areas
-facial: buccal or labial
-gingival
what is the largest embrasure lingual embrasure
embrasures make teeth... more self cleaning
-hardest tissue in the body
-thicker at incisal/occlusal edge and thinner towards the root
enamel -color depends on thickness and underlying dentin
-formed by ameloblasts
-brittle
When is enamel formation 3yrs before eruption
complete?
3/20
