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What Happens During Root Canal Treatment?

November 9, 2026What Happens During Root Canal Treatment?

This photo was taken during a treatment session at Hanoi Smile. Images are published with the patient's consent.

Dentist treating a patient with an assistant alongside

  1. Diagnosis: examination, pulp tests and X-rays.
  2. Local anaesthesia and rubber dam isolation.
  3. Access, cleaning and shaping of the canals with antiseptic irrigation.
  4. Sealing the canals.
  5. Restoring the tooth with a filling or crown.

Treatment is done under anaesthesia; mild tenderness for a few days is common. Increasing pain or swelling should be reported.

Note: Treatment indications and outcomes depend on each person's oral condition, general health and home care. This article is for general information only; an in-person examination is needed for individual advice.

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