LOCAL ANESTHESIA CDCA EXAM COMPREHENSIVE EXAM SCRIPT 2026 100% SOLVED QUESTIONS AND ANSWERS

LOCAL ANESTHESIA CDCA EXAM COMPREHENSIVE
EXAM SCRIPT 2026 100% SOLVED QUESTIONS AND
ANSWERS
What area is anesthetized by the mental nerve block? - ANSWER---buccal
mucous membranes from mental foramen to midline
lower lip
chin
note: does NOT anesthetize teeth


what is the target area for the mental nerve block - ANSWER---the mental
foramen between the mandibular premolars


what is the landmark for the mental nerve block - ANSWER---mucobuccal fold of
the mandibular premolars


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


what is the injection depth of the mental nerve block - ANSWER---5-6 mm


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

, LOCAL ANESTHESIA CDCA EXAM COMPREHENSIVE
EXAM SCRIPT 2026 100% SOLVED QUESTIONS AND
ANSWERS
how much anesthetic should be used for a mental nerve block - ANSWER---0.6
ml


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


what is the injection depth of the incisive nerve block - ANSWER---5-6 mm


what is the technique when administering the incisive nerve block - ANSWER---
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 - ANSWER---0.6
ml

, LOCAL ANESTHESIA CDCA EXAM COMPREHENSIVE
EXAM SCRIPT 2026 100% SOLVED QUESTIONS AND
ANSWERS

what nerve is numbed after a buccal nerve block is performed - ANSWER---long
buccal nerve


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


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


what is the landmark for the buccal block - ANSWER---last molar, parallel to the
occlusal plane


is a short or long needle used for buccal blocks - ANSWER---long


what is the insertion depth for the buccal block - ANSWER---1-4 mm


what is the technique for administering a buccal block - ANSWER---retract the
cheek
insert needle distally and buccally placed to the last molar, parallel to the
molars
aspirate
deposite

, LOCAL ANESTHESIA CDCA EXAM COMPREHENSIVE
EXAM SCRIPT 2026 100% SOLVED QUESTIONS AND
ANSWERS
how much anesthetic is given for a buccal nerve block - ANSWER---0.3 ml


what nerves are anesthetized with the IA block (4) - ANSWER---IA, incisive,
mental, and lingual


what areas are anesthetized with the IA block (4) - ANSWER---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 - ANSWER---slightly above mandibular
foramen


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


is a short or long needle used for IA block - ANSWER---long


what is the injection depth for the IA block - ANSWER---20-25 mm