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Numbing medication won't take effect

User Level:
Posted by: thegardener  (9 years ago)
Hi Doc!

I went to the dentist today for the first time in my life. I've had pain off and on in my two front teeth. I have also noticed that my two front teeth aren't aligned. It is like one of my teeth is getting pushed up in front of the other front tooth. I've never had any problems with my teeth before, never had a cavity or any dental work. I could see and feel my wisdom teeth growing in. It's been like this for several months now but they haven't fully erupted yet.

Last week, I noticed a small bump at my second upper molar. It hurts so badly. The dentist said my wisdom teeth are impacted, that's why they are not fully in until now. They are putting my molars at risk of decay and they are crowding my other teeth that is why I have pain in my two front teeth as well. She recommended they be removed.

She gave me a shot of anesthetic. My face was a only little bit numb so she tried again. My mouth could not get completely numb so she gave me another shot but it won't completely take effect. I could still feel the pain when she tried to work on my teeth.

She gave me a script of Clindamycin and sent me home. She asked me to come back after a week. What
could have caused for the numbing medication not to take effect? What can I do to help the injection take effect on my next appointment?

Thanks for your help.
User Level:
Posted by: ghnane  (9 years ago)
Hello. Anesthesia works by numbing the local nerves in the oral cavity for a temporary time to make oral procedures painless and comfortable. The reason why you did not respond to local anesthesia may be due to anatomical distribution of your nerves. In most people anatomical structure are found in similar locations and general rules apply, but some people's anatomy is different and since the face is such a vascularized and complicated anatomical area that it may not be similarly distributed in everyone. There is nothing really that you can do to become more susceptible to anesthesia. And if you never experienced dental decay then you are one of the few lucky people and very less likely to have frequent dental visits.