I am experiencing lower lip twitching and I believe it is related to recent dental work. I was given several injections to numb a back molar prepping for a crown. I have had injections in that area once a week for several weeks. The last time, 5 days ago, the dentist had to give a second and third injection to thoroughly numb the area. Is this possible? Should I be concerned?

Repeated injections in the posterior region frequently at short duration can cause Paraesthesia if the nerve is pierced accidently. you need not worry as this kind of problem goes away in six months and you can start taking Nurokind More tablets 2 times a day for 1 month

•  nerve
•  medicine

Hello. Repeated injections for achieving anaesthesia for back teeth may cause paraesthesia that is transient numbness of the areas supplied by the nerve injured. This is a temporary phase as the nerve regeneration takes 6-8 months slowly subsiding the concerned numbness. In only few cases it may last even longer. U may take Neurobion once a day for 15 days and a follow up with your treating dentist thereafter. Good day.

•  Healing
•  nerve regeneration

though reversible there has to have been adequate cause for you to have had "repeated" injections. A competent care provider ought to have minimized visits and also should allay your fears. give your treating doctor your feedback and hope that he/she can attend to you to your satisfaction

•  numbness
•  nerve regeneration

Don't worry ,mostly this is reversible and does take care of itself within a couple of months .
It is due to accidental nerve injury during the injecting of the local anesthesia ,though not common but can occur with even a single injection and not necessarily due to multiple injections .
Just bad luck that it happened ,but take solace in the thought that it is reversible and you should be fine in some time .
Neural vitamins like the ones suggested above will help regenerate / heal the nerve faster and should be taken .
The situation will become ok and it doesn't cause permanent problems .
Take care

•  nerve regeneration
•  nerve block complications