LOCAL ANESTHESIA CDCA EXAM FINAL
PAPER 2026 TEST PAPER QUESTIONS AND
SOLUTIONS GRADED A+
◉ what is a contraindication for local infiltrations. Answer:
inflammation or infection at the site - need a nerve block instead
◉ where is anesthetic deposited in a field block. Answer: above the
tooth's apex
◉ field blocks anesthetize the area around how many teeth. Answer:
1-3
◉ what are the indications for a nerve block (3) Answer: anesthesia
of 2+ teeth
longer duration of anesthesia
infection or inflammation at the site
◉ Is the maxillary nerve sensory or motor? Answer: sensory
◉ Where does the maxillary nerve exit? Answer: foramen rotundum
,◉ what two nerve branch off from the IO nerve Answer: ASA and
MSA
◉ the ASA exits through which foramen Answer: infraorbital
foramen
◉ what does the ASA innervate (7) Answer: maxillary anterior teeth
bone
periodontal tissues
buccal soft tissues
lower eyelid
side of nose
upper lip
◉ the MSA innervates what (5) Answer: maxillary premolars
occasionally MB root of first molar
periodontal tissues
bone
buccal soft tissues
◉ what four nerves branch off from the pterygopalatine nerve
branch Answer: PSA
,GP
NP
LP
◉ what does the PSA innervate (4) Answer: maxillary molars
periodontal tissues
buccal tissues
bone
◉ what does the greater palatine nerve innervate Answer: posterior
part of hard palate - from first premolar back
◉ what does the NP innervate Answer: anterior palatal tissues
◉ what does the. lesser palatine (LP) innervate Answer: the soft
palate
◉ Where does the mandibular nerve pass through in the skull?
Answer: the foramen ovale
◉ the mandibular nerve is divided into anterior and posterior
trunks.
what nerves branch off from the anterior trunk? 5
, what nerves branch off from the posterior trunk? 6 Answer:
ANTERIOR
masseteric (motor)
deep temporal (motor)
lateral pterygois (motor)
medial pterygoid (motor)
buccal nerve (sensory)
POSTERIOR
auriculotemporal ((sensory)
lingual (sensory)
IA nerve (sensory and motor)
mental (sensory)
incisive (sensory)
mylohyoid (motor)
◉ the masseteric nerve comes from the anterior or posterior branch
of CNV3?
what does it innervate Answer: anterior
muscles of mastication
PAPER 2026 TEST PAPER QUESTIONS AND
SOLUTIONS GRADED A+
◉ what is a contraindication for local infiltrations. Answer:
inflammation or infection at the site - need a nerve block instead
◉ where is anesthetic deposited in a field block. Answer: above the
tooth's apex
◉ field blocks anesthetize the area around how many teeth. Answer:
1-3
◉ what are the indications for a nerve block (3) Answer: anesthesia
of 2+ teeth
longer duration of anesthesia
infection or inflammation at the site
◉ Is the maxillary nerve sensory or motor? Answer: sensory
◉ Where does the maxillary nerve exit? Answer: foramen rotundum
,◉ what two nerve branch off from the IO nerve Answer: ASA and
MSA
◉ the ASA exits through which foramen Answer: infraorbital
foramen
◉ what does the ASA innervate (7) Answer: maxillary anterior teeth
bone
periodontal tissues
buccal soft tissues
lower eyelid
side of nose
upper lip
◉ the MSA innervates what (5) Answer: maxillary premolars
occasionally MB root of first molar
periodontal tissues
bone
buccal soft tissues
◉ what four nerves branch off from the pterygopalatine nerve
branch Answer: PSA
,GP
NP
LP
◉ what does the PSA innervate (4) Answer: maxillary molars
periodontal tissues
buccal tissues
bone
◉ what does the greater palatine nerve innervate Answer: posterior
part of hard palate - from first premolar back
◉ what does the NP innervate Answer: anterior palatal tissues
◉ what does the. lesser palatine (LP) innervate Answer: the soft
palate
◉ Where does the mandibular nerve pass through in the skull?
Answer: the foramen ovale
◉ the mandibular nerve is divided into anterior and posterior
trunks.
what nerves branch off from the anterior trunk? 5
, what nerves branch off from the posterior trunk? 6 Answer:
ANTERIOR
masseteric (motor)
deep temporal (motor)
lateral pterygois (motor)
medial pterygoid (motor)
buccal nerve (sensory)
POSTERIOR
auriculotemporal ((sensory)
lingual (sensory)
IA nerve (sensory and motor)
mental (sensory)
incisive (sensory)
mylohyoid (motor)
◉ the masseteric nerve comes from the anterior or posterior branch
of CNV3?
what does it innervate Answer: anterior
muscles of mastication
