Root canal treatment

When a large cavity in a tooth reaches the nerve chamber, or in some cases when a tooth breaks, root canal treatment may be required. In order to save the tooth the Smiles Centre team take great care to painlessly clean and fill infected tooth canals with the most up to date rotary systems, before adding a filling material to seal them.

Within every tooth is a nerve chamber and a blood supply in the root canal. In a healthy tooth, these nerves will be alive. Front teeth will normally have one root holding them in the jaw bone, but back teeth can have two, three or four.

If a large cavity in a tooth reaches the nerve chamber, or if a tooth breaks, bacteria can cause the nerves to die. The root canals can become infected and an abscess may form beneath the root(s) of the tooth, in the jawbone. Pain may occur at any time during this process, and the infection can spread.

Treatment is usually carried out over one or two visits to Smiles Centre. The purpose of the treatment is to remove the bacteria or dying tissue from inside the tooth and to clean and disinfect the root canals. This is achieved by making a small hole through the tooth into the nerve chamber, locating and measuring the root canals, then cleaning and widening them using fine instruments. Local anaesthetic is used throughout the procedure to avoid any discomfort.

To aid the instrumentation of these intricate channels to the tooth, magnification may be used and if possible, the tooth will usually be isolated to keep the area dry and clear.

Once clean, the canals are filled to seal them off from re-infection. In most cases, infections will start to heal at this point.

Most patients only experience mild discomfort following treatment, but it is common to experience none at all.

Patient Reviews

People are talking about us

The biggest compliment we receive is when our patients refer their friends and family to Smiles Centre. In fact, we have built much of our practice on these valued, trusted recommendations over the years. Read our reviews to hear why our patients are recommending us…

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Patient reviews

663 Reviews

5.0
JD

John Derkacz

It was fabulous

12th August 2026

Relaxed and felt at ease with my treatment always happy to explain to me everything that’s going on including what they will be doing and after care.

10th August 2026

Very compassionate and understanding and patient and very helpful

GF

Gemma Ferguson

I have been attending Smiles dental practice since 2016. The staff and dental team are always friendly and helpful. The dental staff are very thorough, share lots of dental knowledge, are happy to answer questions and go above and beyond at each appointment. Would highly recommend!

5th August 2026

Very thorough explained everything even helped answer questions about my husband and his gums,very chatty helping me understand why he needed an xray and why no more treatment needed

5th August 2026

As a nervous person I was put as ease and felt better with the situation

ES

emma Spurling

For someone who was absolutely terrified of dentist. The moment I walked into smiles it felt relaxed and friendly there wasn’t any judgement.I would not go anywhere else Chris is my dentist he is lovely friendly full of knowledge and very patient explains everything throughout treatments, I actually look forward to visiting the dentist and seeing them all now. I also recommend to anyone looking for a dentist.

AJ

Allyson Jordan

Great dentist and dental hygienist.<br>Staff on reception are always exceptionally friendly and helpful

MC

Michael Cope

The staff at Smiles Centre have always offered a supportive and expert dental service, but I discovered today that they are miracle workers. I presented with a very difficult tooth extraction and replacement problem, which needed to be resolved the day before the lab would be closed for two weeks. The receptionist juggled appointments to get me, Dragi extracted the tooth and the lab technicians managed successfully to add a tooth to my plate, in a position that seemed impossible to access. I am amazed, delighted and grateful in quality measure.

31st July 2026

Katie was very helpful and chatty and explain everything to me

25th July 2026

Kate was really patient with me and explained the process as it was done

23rd July 2026

Clinicians listening and explaining options

TP

Trevor Pons

As always everyone was great especially Theresa and Kate - after arriving late with my wife (not happy!) because of traffic delays. The team at Smiles handled the situation brilliantly

9th July 2026

Neha (the Hygenist) is particularly lovely, gentle and kind. She always checks all is well and is friendly, courteous and professional. The dental nurse was also very good, friendly and professional. They both put me at ease.

9th July 2026

I have always been very anxious about visiting a dentist but here, I am always listened to and given time. Thank you.

SG

Sue Giles

Very relaxed and looked after well by Chris, he is friendly and very gentle when examining my teeth.

3rd July 2026

I’m no good at taking things in which has always been a task . My brain works different it’s like a washing machine . Explained things so I understood well done smiles

2nd July 2026

My treatment has been fantastic and my concerns where explained in full .Nothing was too much trouble .

DC

darall chapell

Very friendly team. Dentists are great with me being a nervous patient. I have been coming here for years.

25th June 2026

First class treatment always received

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