Root Canal

A root canal is a procedure to treat an infected or damaged tooth. The dentist removes the damaged nerve inside the tooth, cleans it, and then seals it to prevent more problems. This helps relieve pain and saves the tooth, often followed by a crown to protect it.

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What is Root Canal Treatment?

What is a root canal? – The Process

All teeth have a nerve supply which enables us to sense pain, pressure, hot and cold. The nerve is contained in the core of the tooth extending into canals which are based in the roots of the teeth.  If this nerve supply is affected through tooth decay, trauma or gum disease it can result in the nerve becoming exposed and infected which can result in a pain. This is the tooth’s way of telling us something is wrong. However, this can also make it difficult to eat, drink and sleep.

If the nerve has become involved for any of the reasons mentioned above, a root canal treatment may be required. This is also known as endodontic treatment and involves using

delicate instruments to gently clean out the root canals, remove any exposed or infected nerve tissues and wash them all out to ensure the root canal is clean. Once they have been adequately cleansed, a rubber type filling material is placed within the canal system to ensure that bacteria cannot re-enter the tooth and that it can then be restored to normal function. The success rates are generally very high.

Without root canal treatment the only other alternative is to remove the tooth and leave the space, or replace it with either an implant, bridge or removable denture. Whilst these alternatives can be very successful, they do not compare to a natural tooth.

Google rating score of 4.8 of 5, based on 350+ reviews

Porchia A

Got my Invisalign and whitening with dr Kunal at the Fleet Street branch and it really has been life changing. He’s given me the confidence to smile and laugh without covering my mouth. Very professional and listens to what i wanted and always exceeded my expectations. Also makes the entire Invisalign journey easy and comfortable as he was always there to answer any questions I had at any time. Highly recommend ruh dental and dr Kunal. It really is the best decision I’ve made. Had so many compliments on my teeth, even by strangers.


I’ve been wanting to come to Rüh dental for years for a perfect smile, my experience has been amazing, the whitening kit really has brightened my teeth I’m always getting compliments from everyone so I’m very glad I chose Rüh.

Ellie Rodriguez

I couldn’t be happier with my experience at Rüh Dental. The staff are all really friendly and helpful, and every step of the treatment was clearly explained with no sales pressure at any time. My dentist was amazing and I’m so pleased with the outcome.

How much does root canal
treatment cost?

Root Canal Treatment

  • 1-2 appointments
  • Removal of nerve and infection
  • Cleaning and sealing of nerve chamber
    (root canal)

0% finance available

From £450

Concerns about 
canal treatment

You may have concerns about root canal treatments, we have listed below some of the things you may be worried about alongside the solutions for them



Pain and Discomfort

Modern anesthesia and pain management techniques; over-the-counter pain relievers for post-treatment pain. Quite often, as the nerve is dead, the treatment should not be painful


Your dental insurance provider may provide cover. There are also 0% finance options available


Root canal treatment often only requires 1-2 visits

Success Rate

Root canals have a high success rate up to 95%

Infection Risk

If a root canal is cleaned out thoroughly, there should be no reason to expect an infectionto occur

Tooth Fragility

A crown is often placed post-procedure to strengthen and protect the tooth. Just like acrash helmet

Anxiety and Fear

Sedation options may be available to help you relax.


The final crown can be color-matched to your natural teeth for a seamless appearance.


A properly crowned tooth should function normally

Recurrence of Problems

Regular dental check-ups, x-rays and good oral hygiene can help prevent future issues.

Can You Have It After a Root Canal?


Ensure your dentist is aware of your root canal so they can monitor the treated tooth during the alignment process. We normally wait around 12 weeks before moving a tooth that has had a root canal. If the tooth is straight we might not even need to move it at all

Composite Bonding

Composite bonding can be applied to a tooth that has had a root canal. This procedure can help improve the appearance and colour of the treated tooth alongside fixing any other minor imperfections.

Porcelain Veneers

Porcelain veneers can be placed on teeth that have undergone root canal treatment. The treated tooth should be healthy enough to support the veneer. It can mask any discolouration of the tooth affected by a root canal

Dental Implants

If the the root canal-treated tooth fails or needs to be extracted, a dental implant can be a suitable replacement option.

Dental Implant or Root Canal treatment


Tooth Extraction + Dental Implant

Root Canal Treatment


To replace a damaged or decayed tooth with a strong, artificial one rooted in the jawbone.

To save the natural tooth by removing infected nerve and sealing the tooth.

Procedure Duration

Extraction and implant placement take several months, but ensure long-term stability.

Typically requires 1-2 visits, depending on the tooth’s condition.

Pain and Discomfort

Involves minor surgery but manageable with proper pain relief; long-term comfort ensured.

Modern techniques minimize pain; some discomfort post-treatment.


Higher initial cost, but considered a cost effective long-term investment.

Generally less expensive initially; for more complex root canals, it can nearly cost the same as adental implant.

Longevity and Durability

Implants are extremely durable and can last a lifetime with proper care.

Can last a long time with proper care; may need re-treatment or crown replacement.


Provides excellent function, looking like a natural tooth without the risk of decay.

Restores normal function but the natural tooth may be more susceptible to issues in the future


Implant crowns are matched to adjacent teeth for a seamless, natural appearance.

Crowns on treated teeth can be matched tonatural teeth.

Healing and Recovery

Longer recovery period allows for thorough healing and strong integration with the jawbone.

Quick recovery, typically within a few days.

Bone Health

Prevents bone loss in the jaw, maintaining facial structure and oral health.

Preserves natural tooth structure, but doesn't stimulate bone like an implant.

Risk of Future Issues

Low risk of future issues if maintained; implants do not decay and have very high success rates.

Risk of reinfection or failure; may require retreatment or extraction if not successful.


Requires good oral hygiene and aftercare

Regular dental hygiene and check-ups; similar to caring for natural teeth.

frequently asked questions

What is a root canal?

A root canal is a dental procedure in which the pulp (soft inner tissue) is removed from the tooth and the inside of the tooth is cleaned, disinfected, and sealed. It is necessary when the pulp becomes infected or inflamed due to deep decay, repeated dental procedures, or a crack or chip in the tooth.

Why is a root canal needed?

When the pulp inside a tooth becomes infected or inflamed, it needs to be removed to prevent further infection and pain. Without treatment, the infection could spread and cause an abscess in the root tip or supporting bone, leading to swelling and pain. A root canal removes the infected pulp, cleans and disinfects the inside of the tooth, and seals it to prevent further issues.

What are the signs a root canal is needed?

  • Severe toothache pain
  • Pain when biting or chewing
  • Prolonged sensitivity to heat or cold
  • Darkening of the tooth
  • Swelling and tenderness in nearby gums
  • A persistent pimple on the gums

What does the root canal procedure involve?

The procedure is performed under local anesthesia to numb the area around the tooth. The dentist makes an opening in the crown of the tooth to access the pulp chamber and root canals. They remove the infected or inflamed pulp, clean and disinfect the inside of the tooth, and seal it with a rubber-like material. The tooth will likely need a crown after to protect and restore it.

Is a root canal painful?

Root canals have an unfair reputation for being very painful, but modern techniques and anesthesia make them no more uncomfortable than a regular filling. The procedure relieves the pain caused by the infection, so most patients feel better following treatment. Some minor soreness for a few days after is normal.

How long does a root canal take?

A root canal appointment typically takes between 30-90 minutes. Molars may take a little longer than front teeth due to having more canals. Some cases may require two appointments, a week or so apart.

How long does a root canal last?

Root canal treatment is meant to be permanent. However, the treated tooth may eventually become re-infected requiring retreatment or extraction. With proper care and regular checkups, many root canals can last a lifetime.