What should I do if I have a blister next to my gums after a filling?

After filling the gums next to a bubble may be traumatic blood bubble, alveolar abscess, etc., the main treatment for piercing the blood bubble, root canal treatment.
1. The filling operation process may cause damage to the gingival mucosa, gingival mucosal stress reaction, filling edge is not smooth, etc. Traumatic blood blisters, the main treatment is aseptic needle to puncture the blood blister.
2. Misdiagnosis, the tooth pulp or apical area may have been infected, not only filling can be, and filling operation may stimulate the pulp, resulting in acute infection, the formation of alveolar abscess, the main treatment for the removal of fillings, root canal treatment.
The main treatment is to remove the filling, root canal treatment. After filling a bubble next to the gums, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.