Right now it is not safe to visit a dental clinic.
For now you can use Thermoseal RA tooth paste or Sensodyne Rapid reief.
Next Steps
You can contact me on Practo call or Practo video.. link -> https://www.practo.com/hyderabad/doctor/g-swapna-darsini-dentist?specialization=Dental%20Surgeon
Health Tips
Stop intake of cold food. Use soft bristle tooth brush.