Ch 1- Local Anesthesia in Dental Hygiene Practice QUESTIONS WITH ANSWERS

Ch 1: Local Anesthesia in Dental Hygiene Practice QUESTION
WITH ANSWERS



1.loss of sensation in area; creates numbing feeling: local anesthesia
2.unpleasant sensory and emotional experience: pain
3.mechanism to alleviate pain: pain control
4.neurologic event; little difference between individuals
- neurons carry signals to the brain that there is pain: pain perception
5.personal response to pain; highly variable between individuals: pain
reaction
6.point when sensation is painful and discomfort occurs
- neurologic event
- varies among individuals
- can be altered with drugs like local anesthetics: pain threshold
7.meds that relieve pain; includes topical + local anesthetics: analgesics
8.pain results from a spinal cord mechanism that carries pain
sensation between peripheral nervous system and the brain
- still holds true today: gate theory of pain control (1956)
9.History of local anesthetics:
- 1884
- first local anesthetic; addictive; ester: cocaine
10.History of local anesthetics:
- 1904
1/
6

, - "Novacaine"
- first local anesthetic in mouth
- ester; high allergic reactions; slow onset; short acting: procaine
11.History of local anesthetics:
- 1943
- amide; revolutionized dentistry; potent; decreased allergic reactions
(none documented); strongest vasodilator: lidocaine
12.History of local anesthetics:
- 1957
- amide; long duration; only long acting dental local anesthetic: bupivacaine
13.History of local anesthetics:
- 1957
- amide; short duration: mevipvacaine
14.History of local anesthetics:
- 1959
- amide: prilocaine
15.History of local anesthetics:
- 1969
- 2000 when it became available in the U.S.
- amide




2/
6