Rct is although safe....but u should consult specialist like pedodontist or endodontist  for better outcome

RCT is a safe procedure don't worry, and the reasons could be several, but it will heal soon.

RCT is one of the pioneer ways to conserve your tooth . of course! its safe, its a skilled procedure. to b done by a skilled dentist

yes root canal is totally safe .you are done with one sitting only ,the swelling will subside by own by the end of treatment.now contact with your doctor and take medicines.

RCT in children is called Pulpectomy. It is a safe procedure and is best done by a qualified Paediatric Dentist. There can be various reasons for the swelling such as pressure buildup in the canal of the tooth, or due to reaction of the local anaesthetic used for the procedure, or due to prior infection which will take time to heal with the help of antibiotics or incomplete removal of pulp tissue from the tooth canal or residue left from irrigation of canals.