A.Oral health expert
Yes, The dull pain and gum swelling are indicative of an infection- a root canal is usually necessary in such cases.
It is an amalgam filling which will most likely have mercury in it. Most dentists will be able to replace the filling
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.