Cavities on molars and wisdom tooth fixed. 3 weeks later jaw still sore and painful. ibuprofin not very helpful or for very long. pain has gotten worse.

Go back to dentist: If one or more of the cavities were deep it is possible that the nerve of he tooth has become inflamed. If this is the case it can be treated with root canal therapy. It is also possible that if one or more of the fillings is too high they can be sensitive. You need to go back to the dentist who treated you so they can figure out what is going on.

What to do: The soreness in the jaw could be from the injections and\or bruxism. The teeth could be sensitive from sensitized nerves (either reversible or irreversible inflammation), a chipped filling or bruxism. You did not say if you had any other treatment such as a cleaning or if you need further dental treatment. Your dentist can figure this all out ; help you get more comfortable faster.So call for appt.