CDCA Local Anesthesia Exam questions
with verified answers A+ rated
buccal mucous membranes from mental foramen to midline
lower lip
chin
note: does NOT anesthetize teeth - correct answer ✔✔What area is anesthetized by the mental
nerve block?
the mental foramen between the mandibular premolars - correct answer ✔✔what is the target
area for the mental nerve block
mucobuccal fold of the mandibular premolars - correct answer ✔✔what is the landmark for the
mental nerve block
25-27 gauge short - correct answer ✔✔what is the type of needle used for a mental nerve block
5-6 mm - correct answer ✔✔what is the injection depth of the mental nerve block
ask the pt to partially close the jaw
retract lip
insert needle at mucobuccal fold by the first premolar or canine
aspirate
deposit anesthetic - correct answer ✔✔what is the technique for administering the mental
nerve block (6)
,0.6 ml - correct answer ✔✔how much anesthetic should be used for a mental nerve block
pulps of the incisors, canines, and premolars
buccal mucosa from mental foramen to midline
lower lip and skin of chin
note: does NOT anesthetize lingual tissues - correct answer ✔✔what area is anesthetized when
the incisive nerve block is administered
mucobuccal fold of the mandibular premolars - correct answer ✔✔what is the target area for
an incisive nerve block
5-6 mm - correct answer ✔✔what is the injection depth of the incisive nerve block
Ask pt to slightly close
retract lip
insert needle at first premolar, directing needle to mental foramen (or between the two
premolars at long axis of the teeth)
aspirate
deposit - correct answer ✔✔what is the technique when administering the incisive nerve block
0.6 ml - correct answer ✔✔How much anesthetic should be given for an incisive nerve block
long buccal nerve - correct answer ✔✔what nerve is numbed after a buccal nerve block is
performed
buccal soft tissue and buccal periosteum of mandibular molars - correct answer ✔✔what area is
anesthetized with a buccal block
,where the buccal nerve crosses in front of the anterior border of the ramus - correct answer
✔✔what is the target area with a buccal block
last molar, parallel to the occlusal plane - correct answer ✔✔what is the landmark for the
buccal block
long - correct answer ✔✔is a short or long needle used for buccal blocks
1-4 mm - correct answer ✔✔what is the insertion depth for the buccal block
retract the cheek
insert needle distally and buccally placed to the last molar, parallel to the molars
aspirate
deposite - correct answer ✔✔what is the technique for administering a buccal block
0.3 ml - correct answer ✔✔how much anesthetic is given for a buccal nerve block
IA, incisive, mental, and lingual - correct answer ✔✔what nerves are anesthetized with the IA
block (4)
all mandibular teeth
buccal mucosa anterior to 1st molar
anterior 2/3 of tongue
lingual soft tissues and periosteum - correct answer ✔✔what areas are anesthetized with the IA
block (4)
slightly above mandibular foramen - correct answer ✔✔what is the target are for the IA block
, coronoid notch
occlusal plane
pterygomandibular raphe (vertical curve)
pterygomandibular depression (area insertion) - correct answer ✔✔what are the landmarks for
the IA block (4)
long - correct answer ✔✔is a short or long needle used for IA block
20-25 mm - correct answer ✔✔what is the injection depth for the IA block
go 6-10 mm above occlusal plane at height of coronoid notch
locate pterygomandibular raphe
area of raphe and 6-10 mm line meet is insertion point
position syringe at opposite side premolars
advance needle until bone is contacted (if contacted prematurely, withdraw and position
syringe more towards incisors, if no contact, withdraw and position towards molars)
withdraw 1 mm and aspirate
deposit
LINGUAL
withdraw needle halfway and deposit rest of anesthetic
sit pt up - correct answer ✔✔what is the technique for performing an IA block (then lingual
after)
1.5 ml for IA and .2 for lingual - correct answer ✔✔how much anesthetic should be given for an
IA block followed by a lingual block
with verified answers A+ rated
buccal mucous membranes from mental foramen to midline
lower lip
chin
note: does NOT anesthetize teeth - correct answer ✔✔What area is anesthetized by the mental
nerve block?
the mental foramen between the mandibular premolars - correct answer ✔✔what is the target
area for the mental nerve block
mucobuccal fold of the mandibular premolars - correct answer ✔✔what is the landmark for the
mental nerve block
25-27 gauge short - correct answer ✔✔what is the type of needle used for a mental nerve block
5-6 mm - correct answer ✔✔what is the injection depth of the mental nerve block
ask the pt to partially close the jaw
retract lip
insert needle at mucobuccal fold by the first premolar or canine
aspirate
deposit anesthetic - correct answer ✔✔what is the technique for administering the mental
nerve block (6)
,0.6 ml - correct answer ✔✔how much anesthetic should be used for a mental nerve block
pulps of the incisors, canines, and premolars
buccal mucosa from mental foramen to midline
lower lip and skin of chin
note: does NOT anesthetize lingual tissues - correct answer ✔✔what area is anesthetized when
the incisive nerve block is administered
mucobuccal fold of the mandibular premolars - correct answer ✔✔what is the target area for
an incisive nerve block
5-6 mm - correct answer ✔✔what is the injection depth of the incisive nerve block
Ask pt to slightly close
retract lip
insert needle at first premolar, directing needle to mental foramen (or between the two
premolars at long axis of the teeth)
aspirate
deposit - correct answer ✔✔what is the technique when administering the incisive nerve block
0.6 ml - correct answer ✔✔How much anesthetic should be given for an incisive nerve block
long buccal nerve - correct answer ✔✔what nerve is numbed after a buccal nerve block is
performed
buccal soft tissue and buccal periosteum of mandibular molars - correct answer ✔✔what area is
anesthetized with a buccal block
,where the buccal nerve crosses in front of the anterior border of the ramus - correct answer
✔✔what is the target area with a buccal block
last molar, parallel to the occlusal plane - correct answer ✔✔what is the landmark for the
buccal block
long - correct answer ✔✔is a short or long needle used for buccal blocks
1-4 mm - correct answer ✔✔what is the insertion depth for the buccal block
retract the cheek
insert needle distally and buccally placed to the last molar, parallel to the molars
aspirate
deposite - correct answer ✔✔what is the technique for administering a buccal block
0.3 ml - correct answer ✔✔how much anesthetic is given for a buccal nerve block
IA, incisive, mental, and lingual - correct answer ✔✔what nerves are anesthetized with the IA
block (4)
all mandibular teeth
buccal mucosa anterior to 1st molar
anterior 2/3 of tongue
lingual soft tissues and periosteum - correct answer ✔✔what areas are anesthetized with the IA
block (4)
slightly above mandibular foramen - correct answer ✔✔what is the target are for the IA block
, coronoid notch
occlusal plane
pterygomandibular raphe (vertical curve)
pterygomandibular depression (area insertion) - correct answer ✔✔what are the landmarks for
the IA block (4)
long - correct answer ✔✔is a short or long needle used for IA block
20-25 mm - correct answer ✔✔what is the injection depth for the IA block
go 6-10 mm above occlusal plane at height of coronoid notch
locate pterygomandibular raphe
area of raphe and 6-10 mm line meet is insertion point
position syringe at opposite side premolars
advance needle until bone is contacted (if contacted prematurely, withdraw and position
syringe more towards incisors, if no contact, withdraw and position towards molars)
withdraw 1 mm and aspirate
deposit
LINGUAL
withdraw needle halfway and deposit rest of anesthetic
sit pt up - correct answer ✔✔what is the technique for performing an IA block (then lingual
after)
1.5 ml for IA and .2 for lingual - correct answer ✔✔how much anesthetic should be given for an
IA block followed by a lingual block
