Kindly visit a dentist at the earliest, possibility of some infection in your 3rd molar, which may cause difficulty in mouth
To confirm the cause and treat it, u need to gwt it diagnosed properly with the help of a dentist
Next Steps
if possible get an opg done ( digital x-ray of ur jaw)
Health Tips
an oral surgeon and a prosthodontist may be able to give a complete diagnosis both curative and long term function wise