What could be the blister on the upper gum line?
Patient: I have had a blister on upper gumline, where I recently had a lot of work done.  Dentist is watching it, need to go back in 3 weeks.  I have burst the blister before thinking that would heal it; but it is back??? should I leave it alone?? Hoping it's not Ca. Doctor: Hello, Welcome Thanks for consulting HCM,   I have gone through your query,  as you have blister dont worry there is formation of pus which can be due to periodontal problem Periodontal Abscess or Periapical Abscess .  You consult your dentist again and go for proper treatment done.   If it is gum problem then go for Oral prophylaxis and if it is periapical Pathology then go for Root Canal treatment done .Hope this will help you. Wishing you good health.