When you got a pain during bite and hot sensation, these symptoms indicate that the requirements of the rct or removal of tooth. But temporarily you take pain killer like Diclomol or Ketorol-DT when you get pain.
Next Steps
consult dentist for proper examination and radiographs.
Health Tips
Avoid to bite from that side if possible than go with warm saline rinses to clean food debris. it will give help to maintain hygiene status which causes pain.