intro Flashcards
what is anesthesia
1) pharmacokinetics
- reversibly blocks the generation or conduction of action potentials in the neurons
2) nodes of ranvier
- solution stops the signaling
why do we do it?
1) managing dental anxiety and fear
2) dental phobia
3) pain management and pain free society
needs to be
1) effective, profound
2) reversible, comfortable
infiltrations
1) commonly used for localized areas
2) best for pediatrics
3) used for short procedures
block injections
1) when anesthesia is deposited closer to the nerve bundle responsible for innervating hard and soft tissue
- larger surface area
- best for longer duration procedures
- can be applied for most patients
infiltration site
1) enter in mucobuccal fold
2) the apex of the tooth will be anesthetized
3) 0.9 mL cartridge for one tooth, 1.2 mL for in between teeth
4) the periosteum will be anesthetized and it will spread
PSA
1) block injection 1.3-1.5 mL
2) molars except the MB root of the first molar!!
- endo ice #14, but you can work on #15, #16
3) buccal mucosa and periosteum
greater palatine
1) spongy compressible tissue
2) pressure anesthesia first
3) just gets the hard palate numb
feel for the infraorbital ASA
1) terminal branch of maxillary branch of CN V
2) centrals to canines
- and sometimes to the premolars and MB root of first molar
3) tissue and periosteum anesthetized
nasopalatine
1) look for incisive papilla
2) 0.3-0.4 mL of anesthesia
3) just gets soft tissue anesthetized, not pulps
IA block
1) deliver ABOVE mandibular foramen
- medial to internal oblique ridge
- lateral to the pterygomandibular raphe
2) All the pulps of mandibular teeth
- and tissue anterior to mental foramen
lingual
1) in the pathway of the IA injection site
2) soft tissue only
long buccal
1) hurts because it will touch bone and there is no space for the anesthetic to go
2) stay anterior to anterior border of ramus
3) gets soft tissue posterior to metal foramen numb
3 injections
70-80% success rate of numbness for quadrant
- buccal, IA, lingual
gow-gates
1) deliver right next to head of condyle
2) main branch coming from the foramen ovale (V3)
- gets IA, lingual, and sometimes BAM (buccal, auriculotemporal, mylohyoid)
3) success rate 93% or higher
- for full quadrant
4) 25-30 mm