Hello, kindly explain, what you mean by fixation treatment, was it a bridge or some fillings, or implants supported fixed teeth..
What kind of pain do you have, meaning, is it constant, or comes and goes, or happens more at night, or aggravates on biting..
Are those fixed teeth sensitive to hot or cold..
Are they already root canalled..
Next Steps
The dentist may take an xray and do some clinical testing to see for any pulpal involvement
Health Tips
Since you have started an antibiotic and painkiller.. Finish the course of the antibiotics, and then take a call, on the relief from pain..