Local Anesthesia: Maxilla Flashcards
1
Q
What does the ASA anesthetizes?
A
anterior teeth, facial periodontal tissue including the gingiva, periodontal ligament
*mesial to canine
2
Q
What does the MSA anesthetizes?
A
premolars and MB root of the maxillary first molar
- mesial to premolar
- only 27% of people have MSA
3
Q
What does the PSA anesthetizes?
A
molars, EXCEPT MB root of 1st molar
4
Q
Why would you need to be caution from with the PSA injection?
A
pterygoid plexus of veins can be pierced readily w/PSA injection
5
Q
What can be a result of the piercing of the pterygoid plexus of veins?
A
hematoma (bruise)
