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Root canal treatment removes infection from inside a tooth and allows it to be saved.

However, once a tooth has had root canal treatment, it is often weaker than before and may need additional protection.

This is why a crown is frequently recommended afterwards.

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FAQ

FREQUENTLY ASKED QUESTIONS

What changes after a root canal?

After root canal treatment:

  • The nerve and blood supply inside the tooth are removed.
  • The tooth no longer has normal moisture and flexibility.
  • The tooth structure may already be reduced by decay or previous fillings.

As a result, the tooth can become more brittle and prone to fracture.

Why a filling alone may not be enough?

In some cases, a filling is sufficient after root canal treatment. However, where a tooth has:

  • A large cavity or filling.
  • Cracks or weakened cusps.
  • Heavy biting forces.
  • A history of fracture or wear.

A filling may not provide enough long-term protection.

Does every root-treated tooth need a crown?

Not always. Front teeth with minimal loss of tooth structure may sometimes be restored with a filling alone. The decision depends on:

  • How much of the natural tooth remains?
  • The position of the tooth.
  • Bite forces.
  • Long-term risk of fracture.

This is assessed on a tooth-by-tooth basis.

Treatment Options

How a crown helps

A crown covers and protects the tooth, helping to:

  • Reduce the risk of fracture.
  • Distribute biting forces more evenly.
  • Restore strength and function.
  • Improve the longevity of the tooth.

Crowns are particularly important on back teeth, which are subject to higher biting forces.

Harcourt Dental Clinic
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Planning and responsibility of care

Your dentist or endodontist will assess the tooth after root canal treatment and explain whether a crown is recommended.

Patient takeaway

Root canal treatment saves a tooth, but a crown often protects it. The aim is not to add unnecessary treatment, but to reduce the risk of the tooth breaking in the future.

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I required some extensive dental work, which I had been catastrophising in my head for some time now. Having finally plucked up the courage, I consider myself extremely fortunate to have been cared for so professionally & competently by Lorna…

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I had a great experience with Lorna. She was very competent, gentle and took the time to explain everything clearly. I’d highly recommend Lorna to anyone who feels anxious about visiting the dentist!

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I’ve been a patient at Harcourt Dental Clinic for about 5 years now, and I couldn’t be happier with the service I’ve received. From the friendly and welcoming staff to the professional and skilled dentists, every visit has been a…

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Martina is an excellent hygienist, professional, kind, and thorough. She made me feel completely at ease and did a fantastic job with my cleaning. I highly recommend her!

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I would highly recommend this dental practice. They are very professional in every sense. Special shout-out for Cianna & Kevin, two highly skilled dentists.

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If you have a broken tooth or a cracked tooth, contact us for an assessment and a clear plan.

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