Mam
Most of Dentist follow strict protocols of disinfection and sanitization. If your Dentist is following the same and you are having discomfort while eating then please get your teeth removed because salt water gargle and brushing will give you temporary relief, you will get permanent relief only after removal of underlying cause.
And coming to vaccination, you will not immunity against covid 19 as soon as you get vaccinated.
Next Steps
Visit to your Dentist with prior appointment and get your wisdom tooth removed.
Hope it helps.