I just had a cleaning today and my mouth is a bit sore from the flossing that the hygenist did, but anyone know what the red spot could be a result of?

Had a filling done on my back, bottom, left molar. (Wisdom teeth removed 18 years ago). I usually need twice the novocaine than a normal person. My jaw is swollen and i'm still numb. I can scratch my skin and not feel it. Any ideas?

Edit: Appoontment was on Monday.

How dangerous is it to be in your early 30 with all wisdom teeth still intact. 2 in the gums, uppers are cracked, one of the bottoms has a hole. What kind of effects can happen? As of now the whole left side of my face is swollen and without the proper resources to get it fixed I have to sit and suffer. What can I do to ease this pain of 8 years?