This is one of the stage of dental caries which have involved the pulp and periapical tissues. You will have pain as the infection have reached the pulp. Two treatment for this tooth is 1. Root canal treatment and crown which will save your tooth 2. Extraction but not recommended as this tooth can be saved by root canal treatment.

Root canal will solve the problem

Dear practo user Root canal treatment, crown Follow up Periodontal evaluation

Tooth needs root canal treatment followed by crown.

There is furcation involvement and periapical lesion . The tooth requires first rct followed by observation for 4 weeks and if this still persists then need periodontal surgery . Also we need to correlate clinically .