1 Local anesthesia. 2  Your dentist or oral surgeon administers local anesthesia with one or more injections near the site of each extraction. 3  Before you receive an injection, your dentist or surgeon will likely apply a substance to your gums to numb them.4  You're awake during the tooth extraction.ptions include: 1  Local anesthesia. 2  Your dentist or oral surgeon administers local anesthesia with one or more injections near the site of each extraction. 3  Before you receive an injection, your dentist or surgeon will likely apply a substance to your gums to numb them. 4  You're awake during the tooth extraction.
The definition of anecdotal is something that is story-like or something that is based on stories and retellings, not based on provable facts.
In the other case, it is also random, but in the sense of being haphazard, undisciplined. Only the first kind of randomness lifts evidence out of the realm of the anecdotal. For more on analytic and empirical knowledge: http://en.wikipedia.org/wiki/A_p... http://en.wikipedia.org/wiki/Ded...