Welcome to H.C.M
With little information and as per the history you have given and the clinical findings you may be suffering with dental caries
or pathology of teeth. Usually gastrooesophageal reflux do not present in this manner. there may be bouts of vomiting
with blood . you need to to consult a Dental surgeon.
Please don’t hesitate to consult and ask for any more query. i will be pleased to answer.
With best wishes for a speedy cure
The Health Caremagic Medical Team