The twitches in the legs are odd, but I had 3 root canals in one morning, May 14th as a matter of fact. Now even though the Dentist turned out to be a quack. I went to a professional who tells if the work done on you was necessary, a long story, but he said my twitching was indeed the shots. In fact a week or so later I was still having nerves come back to life in my eye orbit, nose you name it. Since they were all on top and the "Dentist
, I saw didn't hit the nerve to numb me until he just kept going until he hit it. I don't know for sure of course, but the "Georgia Dental Assoc.", is the one that sent me to the other Dentist to review the work. And he is the one who said the shots were doing that to me, and believe me even with one, and if your Dentist numbed you the first try your Brain doesn't recognize the actual pain and trauma you went through during a root canal since it doesn't experience it a lot, and between that and the shots, you'll twitch. Now that's what I was told, I don't have the letters beside my name, and now I know the "Dentist" that did mine, his "letters" -license was on probation for 7 years for being drunk while working on people. Just watch it, and if it starts feeling like everything is coming back to life in the areas of the twitching it's the shots. Good Luck to both of you.