1) the initial push & pull problem can be due to just completed RC.  that should resolve I'm few days.  If you are having pain in the RC treated teeth, pl  revisit your dentist. it's a momentary pain which will subside in due course. 2)About ulcers on the inner part of lip an be due to many reasons of which hyperacidity can be one of the reasons.  Do u have that or an upset stomach? then pl resolve that problem first.  meanwhile u can also apply ointment dologel 3-4 times a day on the ulcers to give you relief from the ulcer pain. Hope this helps

There is no extrusion of filling material so ulcers cannot be because of it. It could have resulted because of dryness caused of oral skin during treatment and should get fine within 10 days

Dear Madam, as far as your problem you have mentioned it is on the inner part of lips and mouth. It cannot be seen in the Xrays. Coming to Ulcers in the mouth if it's just on the areas adjacent to some sharp edges of teeth or fillings or some replacements like caps cause Ulcers and they have to be adjusted. But if it is in many parts of the mouth it has to be evaluated properly and diagnosed for the right treatment.

Rct is not done properly plus one more tooth is infected so go for rerct plus rct of the newly infected tooth

Hello dear practo user, Looking at the xray, i feel the root canal is not up to the mark, the filling material is 1.5mm short from the root tip (the canal can be clearly seen extending till the root tip when zoomed) ..this is the reason that she is getting the push and pull feeling .. since the rct is done just a couple of months back, it wont show anything on the xray so early .. my advice is to go for re-root canal treatment. Now for the ulcers that she is getting, there may be multiple reasons for it and u should consult your doctor for the same ..all the best.

rct is fine . it is not coz of rct .  rule out some other health reason