Summary CDCA Local Anesthesia Exam review Q&As (Verified Answers) 2026

CDCA Local Anesthesia Exam review
Q&As (Verified Answers) 2026
What area is anesthetized by the mental nerve block? - correct answer
mucous membranes from mental foramen to midline
✅ buccal


lower lip
chin
note: does NOT anesthetize teeth


what is the target area for the mental nerve block - correct answer
foramen between the mandibular premolars
✅ the mental




what is the landmark for the mental nerve block - correct answer
fold of the mandibular premolars
✅ mucobuccal




what is the type of needle used for a mental nerve block - correct answer
27 gauge short
✅ 25-




what is the injection depth of the mental nerve block - correct answer ✅ 5-6 mm




answer ✅
what is the technique for administering the mental nerve block (6) - correct
ask the pt to partially close the jaw
retract lip
insert needle at mucobuccal fold by the first premolar or canine
aspirate
deposit anesthetic

,CDCA Local Anesthesia Exam review
Q&As (Verified Answers) 2026

✅
how much anesthetic should be used for a mental nerve block - correct answer
0.6 ml




answer ✅
what area is anesthetized when the incisive nerve block is administered - correct
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 - correct answer
fold of the mandibular premolars
✅
mucobuccal




what is the injection depth of the incisive nerve block - correct answer ✅
5-6 mm




answer ✅
what is the technique when administering the incisive nerve block - correct
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 - correct answer
0.6 ml

,CDCA Local Anesthesia Exam review
Q&As (Verified Answers) 2026

✅
what nerve is numbed after a buccal nerve block is performed - correct answer
long buccal nerve


what area is anesthetized with a buccal block - correct answer
tissue and buccal periosteum of mandibular molars
✅ buccal soft




what is the target area with a buccal block - correct answer
nerve crosses in front of the anterior border of the ramus
✅ where the buccal




what is the landmark for the buccal block - correct answer
to the occlusal plane
✅ last molar, parallel




is a short or long needle used for buccal blocks - correct answer ✅ long


what is the insertion depth for the buccal block - correct answer ✅ 1-4 mm


what is the technique for administering a buccal block - correct answer
the cheek
✅ retract


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 - correct answer ✅ 0.3 ml

, CDCA Local Anesthesia Exam review
Q&As (Verified Answers) 2026
what nerves are anesthetized with the IA block (4) - correct answer
mental, and lingual
✅ IA, incisive,




what areas are anesthetized with the IA block (4) - correct answer
mandibular teeth
✅ all


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 - correct answer
mandibular foramen
✅slightly above




what are the landmarks for the IA block (4) - correct answer ✅ coronoid notch
occlusal plane
pterygomandibular raphe (vertical curve)
pterygomandibular depression (area insertion)


is a short or long needle used for IA block - correct answer ✅long


what is the injection depth for the IA block - correct answer ✅ 20-25 mm




answer ✅
what is the technique for performing an IA block (then lingual after) - correct
go 6-10 mm above occlusal plane at height of coronoid notch
locate pterygomandibular raphe