Dental Hygienist Questions Periodontist

What can cause swollen gum under a crown?

I have swollen gum under a crown. What can cause swollen gum under a crown?

3 Answers

Several reasons
Gum disease
Crown does not fit correctly
Bad oral hygiene
Failing root canal, decay leading to a dead tooth, periodontal problem, fracture of the tooth. Those are the most common ones.
Abcess tooth, fractured tooth, poor margin, open contact with food packing