LOCAL ANESTHESIA CDCA EXAM Question
and Answer 2026 | Premium Study Pack for
Exam Success | A+ Verified
• what is the target area for the mental nerve block -✓✓the mental
foramen between the mandibular premolars
• what is the landmark for the mental nerve block -✓✓mucobuccal fold
of the mandibular premolars
• what is the type of needle used for a mental nerve block -✓✓25-27
gauge short
• what is the injection depth of the mental nerve block -✓✓5-6 mm
• what is the technique for administering the mental nerve block (6) -
✓✓ask the pt to partially close the jaw
retract lip
insert needle at mucobuccal fold by the first premolar or canine
aspirate
deposit anesthetic
• how much anesthetic should be used for a mental nerve block -✓✓0.6
ml
,• what area is anesthetized when the incisive nerve block is administered
-✓✓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
• what is the target area for an incisive nerve block -✓✓mucobuccal
fold of the mandibular premolars
• what is the injection depth of the incisive nerve block -✓✓5-6 mm
• what is the technique when administering 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
• How much anesthetic should be given for an incisive nerve block -
✓✓0.6 ml
• what nerve is numbed after a buccal nerve block is performed -
✓✓long buccal nerve
,• what area is anesthetized with a buccal block -✓✓buccal soft tissue
and buccal periosteum of mandibular molars
• what is the target area with a buccal block -✓✓where the buccal nerve
crosses in front of the anterior border of the ramus
• what is the landmark for the buccal block -✓✓last molar, parallel to
the occlusal plane
• is a short or long needle used for buccal blocks -✓✓long
• what is the insertion depth for the buccal block -✓✓1-4 mm
• what is the technique for administering a buccal block -✓✓retract the
cheek
insert needle distally and buccally placed to the last molar, parallel to the
molars
aspirate
deposite
• how much anesthetic is given for a buccal nerve block -✓✓0.3 ml
, • what nerves are anesthetized with the IA block (4) -✓✓IA, incisive,
mental, and lingual
• what areas 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
• what is the target are for the IA block -✓✓slightly above mandibular
foramen
• what are the landmarks for the IA block (4) -✓✓coronoid notch
occlusal plane
pterygomandibular raphe (vertical curve)
pterygomandibular depression (area insertion)
• is a short or long needle used for IA block -✓✓long
• what is the injection depth for the IA block -✓✓20-25 mm
• what is the technique for performing an IA block (then lingual after) -
✓✓go 6-10 mm above occlusal plane at height of coronoid notch
and Answer 2026 | Premium Study Pack for
Exam Success | A+ Verified
• what is the target area for the mental nerve block -✓✓the mental
foramen between the mandibular premolars
• what is the landmark for the mental nerve block -✓✓mucobuccal fold
of the mandibular premolars
• what is the type of needle used for a mental nerve block -✓✓25-27
gauge short
• what is the injection depth of the mental nerve block -✓✓5-6 mm
• what is the technique for administering the mental nerve block (6) -
✓✓ask the pt to partially close the jaw
retract lip
insert needle at mucobuccal fold by the first premolar or canine
aspirate
deposit anesthetic
• how much anesthetic should be used for a mental nerve block -✓✓0.6
ml
,• what area is anesthetized when the incisive nerve block is administered
-✓✓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
• what is the target area for an incisive nerve block -✓✓mucobuccal
fold of the mandibular premolars
• what is the injection depth of the incisive nerve block -✓✓5-6 mm
• what is the technique when administering 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
• How much anesthetic should be given for an incisive nerve block -
✓✓0.6 ml
• what nerve is numbed after a buccal nerve block is performed -
✓✓long buccal nerve
,• what area is anesthetized with a buccal block -✓✓buccal soft tissue
and buccal periosteum of mandibular molars
• what is the target area with a buccal block -✓✓where the buccal nerve
crosses in front of the anterior border of the ramus
• what is the landmark for the buccal block -✓✓last molar, parallel to
the occlusal plane
• is a short or long needle used for buccal blocks -✓✓long
• what is the insertion depth for the buccal block -✓✓1-4 mm
• what is the technique for administering a buccal block -✓✓retract the
cheek
insert needle distally and buccally placed to the last molar, parallel to the
molars
aspirate
deposite
• how much anesthetic is given for a buccal nerve block -✓✓0.3 ml
, • what nerves are anesthetized with the IA block (4) -✓✓IA, incisive,
mental, and lingual
• what areas 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
• what is the target are for the IA block -✓✓slightly above mandibular
foramen
• what are the landmarks for the IA block (4) -✓✓coronoid notch
occlusal plane
pterygomandibular raphe (vertical curve)
pterygomandibular depression (area insertion)
• is a short or long needle used for IA block -✓✓long
• what is the injection depth for the IA block -✓✓20-25 mm
• what is the technique for performing an IA block (then lingual after) -
✓✓go 6-10 mm above occlusal plane at height of coronoid notch
