Hello sir....
Your history seems you have pulp polyp...
Pulp polyp is nothing but a inflaamatory hyperplastic growth of pulp tissue associated with non vital teeth...It is an irrversibe condition...
Take X_RAY(IOPA) of the involved pemolar teeth...
Next Steps
You need to done ROOT CANAL TREATMENT of the involved teeth...It is the only option
Health Tips
kindly visit nearby dentist for furthur consultation and management