What’s going on with pus in the gums after a filling?

Gums with pus after filling may be caused by periodontal abscess, alveolar abscess and so on.
1. Gums with pus after filling may be the tooth itself has both dental and periodontal problems, filling solves the dental problem, but periodontal inflammation may just attack after filling, periodontal abscess.
2. The dentition problem is misdiagnosed, and in fact, there is already apical periodontitis in the tooth, which cannot be filled only. The filling operation process may also irritate the pulp of the tooth, causing the pulp to become acutely infected and an alveolar abscess to develop.
There may also be other reasons for the gums to be abscessed after filling, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment under the guidance of the doctor.