You need to visit dentist.
Sharp edge of tooth has to be eliminated or it may cause cheek/tongue irritation followed by ulceration, if left for prolonged period.
xray of tooth,due the h/o heaviness of tooth caries may be a bit,can be deep near nerve layer.
depending upon the depth of Xray most probably deep caries management or Rct has to be done.
Next Steps
T. parasafe 650,if heaviness of tooth is bothersome to an extent.
Health Tips
Luke warm water salt gargle for several times. if relieving the symptom.
maintain oral hygiene