Administration of LA in children

Question 1

What are the uses of LA?

Answer 1

Operative pain control
Diagnostic tool
Control of hameorrhage

Question 2

Surface anaesthesia

Answer 2

Anaesthesia 2-3mm of surface tissue I/O
Forms available:
Spray 10% lidocaine
Gel 20% benzocaine and 5% lidocaine analgesic gel

Question 3

LA for cardiac patients

Answer 3

Plain lidocaine
Prilocaine 3% with Felypressin
Mepivacaine HCL 3%

Question 4

When is Ariticaine used?

Answer 4

Good for anaesthetising hypoplastic first permanent molar teeth
lower restorations where coagulopathy
slow infiltration over 1 minute

Question 5

Toxicity of LA

Answer 5

Max dose:
Lidocaine 4.4mg/kg
3-5yrs child (20kg) 2 cartridges

Question 6

Early localised complications can occur

Answer 6

Pain
intravascular
failure of LA
facial nerve paralysis
interference with special sense

Question 7

Late localised complications can occur

Answer 7

self inflicted
oral ulceration
long lasting anaesthesia
trismus
infection
developmental defects

Question 8

contra-indications of LA

Answer 8

young age
disability preventing co-op
allergy
liver disease
poor blood supply
bleeding disorders
incomplete root formation
trismus
epilepsy