I visited a dentist 6 months ago, incidentally found that one tooth on middle-upper front underwent root canal 2 years ago is having infection, this is detected via X-ray while my primary intention was to check the condition of my wisdom teeth.
The dentist told me the tooth is infected and there might be some bacterias around.
Please advise how much is the treatment ( your best possible rate ) coz I am just a working class of people, and how many treatments needed to solve this problem ?