17 Jun, 2026

Understanding Root Canal Treatment (RCT)

Root canal treatment models held in dentists hands

Root canal treatment helps save a tooth when infection reaches the centre of the tooth. Early treatment can relieve pain and help prevent tooth loss.

What causes a tooth infection?

A tooth can become infected when bacteria enter the inner part of the tooth. This may happen because of:

  • Deep tooth decay
  • A cracked tooth
  • An injury to the tooth
  • Untreated cavities

Signs you may need treatment

You may need root canal treatment if you have:

  • Ongoing tooth pain
  • Pain when chewing
  • Sensitivity to hot or cold foods
  • Swollen gums near a tooth
  • A darkened tooth

What happens during treatment?

Your dentist removes the infected tissue from inside the tooth. They then clean the area and seal the tooth to help stop further infection. Many people know this treatment as RCT. Dentists also call it endodontic treatment.

Looking after your tooth

Good oral care helps protect your treated tooth. This includes:

  • Brushing twice each day
  • Cleaning between your teeth daily
  • Visiting your dentist regularly
  • Avoiding very hard foods

The Fono Dental Care provides root canal treatment services. Our team can discuss RCT and endodontic treatment options with you.

Frequently Asked Questions

What is the cost of root canal treatment in Auckland? The cost of root canal treatment in Auckland depends on the tooth involved and the treatment required. Your dentist can provide an estimate after an assessment. Can root canal treatment save my tooth? In many cases, root canal treatment can save a tooth that may otherwise need removal. Is root canal treatment painful? Most people feel comfortable during treatment because the dentist uses local anaesthetic.