Dosing Flashcards
Maximum dose for 3% mepivacaine without epi.
Adults:
Kids:
400 mg
6.6 mg/kg
Maximum dose for 2% lidocaine with 1:100,000 epi.
Adults:
Kids:
500 mg
7mg/kg
Maximum dose for 4% articaine with 1:100,000 epi.
Adults:
Kids:
700 mg
5mg/kg
Maximum dose for 0.5% bupivacaine with 1:200,000 epi.
Adults:
Kids:
90 mg
2mg/kg
Each cartridge of local anesthesia contains approximately _____ of solution.
1.7 mL
1 percent of local anesthesia is equivalent to ____ mg/ml
1% = 10mg/ml
Vasoconstrictor is given as a ratio. 1:100,000 solution contains how much vascoconstricor?
0.01 mg/ml
1:200,000 solution contains _____ mg/ml of vasoconstrictor.
0.005 mg/ml
1 cc of anesthesia is equal to ____ mL.
1
What is the maximum safe dose of epinephrine in a healthy adult during a single dental appointment?
0.2 mg
What is the maximum safe dose of epinephrine for an adult with cardiac disease or severe hypertension?
0.04 mg
Which local anesthesia has the longest soft tissue effect?
0.5% bupivicaine lasts 4-10 hours
Which local anesthesia has the shortest soft tissue effects?
3% mepivacaine lasts 30-60 minutes
How long does lidocaine last in soft tissues? Pulp?
soft: 2-4 hours
pulp: 60-90 mins
For a 90kg child, what is the maximum dosage in mg for 2% lidocaine?
500mg
(90 kg) (7mg/kg) = 630 mg….but you still cannot exceed 500 mg
True or False: Local Anesthetics cross the blood-brain barrier.
True
True or False: A minimal LA overdose (less than 5 micrograms) will cause a depression of blood pressure.
False,
Minimal overdose = elevation of BP and HR
High overdose = depression of BP and HR
What type of seizures can occur due to a moderate to high LA overdose?
tonic-clonic seizures
convulsive
On which does LA have a greater affect: CNS or CVS?
CNS > CVS
Low levels of lidocaine (1.8-5 micrograms) can ______ premature ventricular contractions (PVCs).
treat
For which (3) injections will you give an entire cartridge?
- Gow Gates (Mandibular)
- V2 (Maxillary)
- IANB (Mandibular)
For which injections will you give 1/3 cartridge (~0.6mL)?
Supraperiosteal (infiltration)
Mental Block
Incisive Block
For which injections will you give 1/2 (~0.9mL)?
PSA
ASA (infraorbital)
How much LA is given for a Greater Palatine injection?
1/4 cartridge (~0.45 mL)
How much LA is given for a Nasopalatine injection?
0.2 mL
How much LA is given for a PDL injection?
0.2 mL PER ROOT (ex. Max molars = 3 x 0.2)
How much LA is given for an intraseptal injection?
0.2 - 0.4 mL over a period of 20 seconds
______ injection has the highest positive aspiration rate. Followed by the ______ injection.
IANB (11-15%) Long Buccal (~10%)
Type I allergies are ______ induced and occur within _____.
antigen-induced
seconds/minutes
Type IV allergies are ______ mediated and occur within ______.
cell-mediated (CD4+ T cells with MH-Complexes)
48 hours