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Root canal (endodontic) treatment

Painless and efficiently carried out.

While root canal treatment is often associated with complex dental cases, many procedures address more routine issues that, if left untreated, can lead to serious complications.

In our experience, the most common reasons for root canal treatment are either cracks or deep dental decay which may irritate and/or infect the root canal (pulp).

Dental trauma is another frequent cause, often resulting from everyday incidents like biting down on hard foods, sporting injuries, or falls. Even a small crack or chip can affect the long-term health of the tooth.

Damaged root in tooth lighter uai

We take pride in being leaders in the use of cutting-edge technology to make treatment for efficient and predictable. In 2006, we were the practice in Europe to intergrate 3D CBCT imaging into our workflow. Now nearly 20 years on we have combined CBCT and use it when indicated with augmented reality technology to make treatment even more seamless and efficient.

We have a particular expertise in treating patients who feel anxious, had difficult experiences in the past or who need complex care. You’ll be supported every step of the way by a calm, experienced team who listen and take their time.

Shanon and Natalie 1 of 1

60 - 90 minute appointment

Patients often perceive root canal treatment as a dreaded and painful procedure. This is not the case at Dawood and Tanner, with his depth of experience, Shanon carries out root canal treatment skilfully, usually in a single visit, ensuring the patient has a comfortable, pleasant and pain-free experience.

Root canal retreatment

We often treat patients referred to us with problematic (failing) existing root canal treatment. There are many reasons for this, including, the tooth not being suitably restored resulting in extensive unmanageable dental decay, or an untreatable crack extending into the root and/or due to the complex root canal system not being adequately disinfected and/or sealed.

In the majority of these cases, this can be rectified by re-examining the existing treatment to remove the root filling material, and then thoroughly disinfecting and sealing the complex root canal system.  Once treatment is complete a well-executed bonded restoration or crown will be required to enhance the longevity of the tooth.

This treatment preserves your OWN natural tooth usually in a single appointment thus avoiding an extraction or a dental implant.

However, in some instances root canal retreatment may not be viable, but this may only become apparent once the treatment has commenced. For example, the tooth may not have sufficient remaining sound tooth structure remaining to restore it with a crown. In other instances, it may not be possible to completely remove the existing root filling material and thoroughly disinfect the root canal system. In these cases, extraction may be advised and the tooth replaced with an implant retained crown, a bridge, or occasionally a denture.

Root canal re-treatment Before Root canal re-treatment after

Dental trauma treatment

Dental trauma is relatively common, it has been reported to occur in as many as 33% of the population.

In our experience, these types of injuries often require a multi-disciplinary approach—for example, determining whether orthodontic treatment is needed to realign teeth that have been accidentally displaced, or deciding between implant placement and root canal treatment as the most appropriate solution.

When required, root canal treatment is carried out as soon as practically possible. However, in many instances, we can carry out minimally invasive vital pulp therapy to preserve the healthy tooth and its pulp tissues (nerve and blood supply), thus avoiding root canal treatment.

Traumatised teeth may discolour with time, particularly if they are poorly root-treated; we offer focused whitening treatments to improve the appearance of discoloured individual teeth.

It is essential that patients who have sustained dental trauma, no matter how small the nature of the accident, are reviewed on a periodic basis in the first year, and then annually thereafter.

Root-treatment-2-before Root-treatment-2-after

FAQ's about Root Canal treatments

Root canal treatment is a specialist procedure to remove infected or inflamed tissue from inside a tooth. It is often necessary when decay, trauma, or cracks allow bacteria to reach the pulp chamber. By treating the infection early, we can save your natural tooth and avoid the need for extraction.

Thanks to modern techniques and effective local anaesthetic, root canal treatment today is typically no more uncomfortable than having a routine filling. At Dawood & Tanner, we prioritise patient comfort, using advanced equipment and methods that minimise discomfort during and after treatment.

You may need a root canal if you experience symptoms such as:

Persistent toothache
Sensitivity to hot or cold
Swelling around the tooth or gums
Discolouration of the tooth
Pain when biting or chewing

If you notice any of these signs, it’s important to seek professional advice promptly.

Dawood & Tanner offers root canal care by internationally renowned endodontist, Professor Shanon Patel. With access to advanced imaging technology like 3D CBCT scanning and microscope-assisted techniques, we deliver an unparalleled level of precision, even for complex or previously failed cases.

When performed by a specialist team using state-of-the-art equipment, root canal treatment has a very high success rate. At Dawood & Tanner, our expertise in diagnosis, precision techniques, and careful case selection helps to maximise the long-term success and longevity of your treated tooth.

We specialise in retreating previously treated teeth where infection has returned or where healing has not occurred. With enhanced imaging and meticulous care, we can often save teeth that other practices might recommend for extraction.

Many root canal treatments can be completed in a single appointment. However, depending on the complexity of the case and the extent of infection, some treatments may require two or more visits. Your endodontist will explain the recommended plan clearly during your consultation.

Yes, most teeth treated with root canal therapy will require a strong, protective restoration — usually a crown — to restore full function and protect the tooth from future fracture. We work closely with restorative dentists to ensure your tooth is fully restored to health and strength.

Specialist endodontists, like Professor Shanon Patel, have advanced training, sophisticated technology, and vast clinical experience. This allows us to handle complex cases, minimise treatment risks, and deliver consistently excellent outcomes.

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Sharon Sillito
23 September 2026
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I initially saw Fiona McKillop for a loose tooth in January and now 9 months later I have seen many members of the Dawood & Tanner team! I have had crowns & extractions done by Fiona , some gruelling sessions done with expertise and a sense of humour . Shannon Patel dealt with a root canal infection , with his kind manner and expert techniques just before his vacation. I was dreading the procedure having had a root canal done before but it went very smoothly thanks to him. Fiona encouraged me to get an orthodontic opinion due to my crooked teeth and I am now undergoing Invisalign treatment under the care of Almas Husein who is a lovely orthodontist and very experienced in her field. Not forgetting Tannaz the hygienist who really gets into all the nooks and crannies very efficiently and the treatment co-ordinaters who do a great job. It’s brilliant that I can receive the various treatments under the same roof and the team can communicate regarding my treatment. It’s not cheap but you get what you pay for and costs are transparent and discussed in advance . I would definitely recommend this dental practice!
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Bill Shanahan
11 September 2026
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Professor Shanon Patel is an exceptional professional.
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Michael Davis
16 August 2026
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I have been a patient of Dawood & Tanner for many years, including more than twenty years under the care of Dr Fiona MacKillop. Now, at the age of 88, I can honestly say that the quality of care I have received over this period has been unparalleled. Over the years, I have undergone extractions, implants and root canal treatments and on every occasion, I have been impressed by the skill, professionalism and care shown by Dawood & Tanner. Remarkably, I have experienced virtually no pain or discomfort, either during the procedures or throughout the recovery period. Most recently, I would like to thank Fiona and her entire team for looking after me so well on Wednesday. The implant procedure was performed flawlessly by Fiona and I find it quite remarkable that just two days later, I have experienced no pain or adverse after-effects whatsoever. I cannot recommend Dr Fiona Macklin and her team highly enough. In my opinion they combine outstanding clinical expertise with genuine care, kindness and reassurance — everything one could wish for in a dental practice. I have every confidence in them and would recommend Dawood & Tanner without hesitation.
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Sarah Reygate
1 August 2026
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I’ve been a patient for many years and the treatment and quality is unparalleled- they have literally rescued my teeth from years of very bad dental work - I’ve had extractions , bone grafts , implants , root canals all without any pain including the recovery - I’m an extremely nervous patient too - I cant’t recommend them enough and it’s also incredibly advanced technology there and all in house
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Hagar Marshall
30 June 2026
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I have received the best possible root canal treatment and was looked after with great care and kindness. I didn’t feel any pain during the procedure and the healing process was quick. I highly recommend Dawood&Tanner.
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Mary Raphaely
16 April 2026
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I was facing a scary root canal or possible extraction treatment. But Shannon Patel was so reassuring, and so obviously supremely skilled that I was calmed very quickly. In his hands, plus those of his ancillary team, this experience was as pleasant (?) as it could be. My thanks to everyone!
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Liora Baron
14 April 2026
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I first came to Dawood & Tanner 6 months ago after many years of not seeing a dentist due to early age trauma and phobia. I would firstly like to thank Dr Francesca Tosson for her indescribable kindness, understanding and empathy with my situation and restoring my faith in dental practice. The most trepidation I had before my first visit was of being ‘told off’ or being made to feel embarrassed and this couldn’t be further from my experience with Fran. She is truly an angel in human form and I can’t thank her enough for everything she has done and continues to do for me. I can’t recommend her highly enough. Thank you so much for everything, Fran. I would also like to thank Dr Shanon Patel and his assistant Angie (hope that is spelled right) for the extremely efficient and professional way in which they carried out my root canal procedure. Dr Patel’s quiet and steadfast reassurance and amazing depth of knowledge and professionalism helped guide me through what I thought would be a scary and nerve racking process and showed me that with kindness and empathy anything is possible. A special mention to Dr Kiran and Helena as well, thank you for showing me such kindness and providing me with excellent treatment when I needed it. I can confidently say that Dawood & Tanner has gained a new lifelong loyal patient, and if anyone reading this still has any doubts, don’t - this is 100% the place for you!
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Gillie Lizra
20 October 2025
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Referred to Dawood & Tanner dental practice as an emergency - and cannot thank the wonderful team enough. What’s so great is that the professionals all work as a team. I first had a consultation with the highly experienced partner Andrew Dawood - who checked me out & organised a Scan with the very patient Iona . I was then referred to Prof Shanon Patel who again took time out in his lunch break to double check whether the tooth could be saved ! Thank you I then saw Theo Kapos. Incredibly skilful as I’m a very nervous patient and he removed the tooth and made me a temporary bridge. Incredibly no pain whatsoever .. Every step of the way these incredible professionals were liasing as to what was the best course of action for me; with incredible customer care. I’d really recommend the practice especially for very nervous patients like myself. Their dedication and expertise is commendable Thank you again
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Dianne
14 September 2025
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I saw Dr. Shanon Patel back in 2019 for endodontic surgery and had a really positive experience. He is highly skilled, professional, and made me feel at ease throughout the process. I trust Dr. Shanon to provide excellent dental care and would not hesitate to recommend him to anyone needing specialist treatment.
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Barbara Ludlow
5 August 2025
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Fiona has been treating me for 7 years and she is brilliant. Completely straight talking and always offers the best advice. She has taken my gums from a diseased mess to healthy again, and whilst the damage I had done cannot be repaired, Fiona's careful watch and treatment ensures that it will not get worse. When I was told I needed root canal surgery, I seriously considered having the tooth taken out I was dreading it so much. I'd had a root canal many years ago and it was awful. When I discovered that I would have a rubber sheet in my mouth during the procedure my anxiety went through the roof. But, I can honestly say that the treatment was nothing like I imagined. The rubber sheet forms a seal that separated me from the tooth that was being worked on so it was as if it was happening somewhere else. The dam ensures that nothing goes down your throat, whilst you can still swallow, move your tongue and breathe beneath it. It was really comfortable. Shanon's confidence was reassuring and he and his assistant kept me calm throughout the whole process. I had no idea that my treatment had been complicated as Shanon gave nothing away until it was all over. My tooth was saved and my fear completely gone. Treatment is never cheap, but you really get what you pay for. Great communication between Fiona and Shanon and I really felt they were rooting for me!
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Peter C
11 April 2025
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After two unsuccessful root canal treatments on the same tooth, I made an initial appointment with Professor Patel. Following this appointment I decided to undergo a third treatment. Although the treatment is still only recent, I can feel that the tooth is more secure and that the infection and pain I had are dissipating. I feel confident that the tooth will only improve over time. Mr Petal and his dental assistant were both professional and reassuring, and took every effort to the whole procedure as comfortable and pain free as possible. I would have no hesitation whatsoever in recommending Mr Petal for any similar dental treatment.
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Catherine Collins Productions UK Ltd
3 October 2024
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I have escaped invasive dental work until this week when I had to have root canal treatment for a cracked back tooth and an extraction of another tooth which was too cracked to be saved. I was nervous but Shanon did a wonderful job on the root canal and Andrew stepped in to do the extraction late in the day. They were both sensitive to my anxiety, and did an excellent job. I cannot recommend the practice more highly.
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Chahrazad Gherab
13 September 2024
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I highly recommend this practice and particularly Dr Fiona Mackillop! I couldn’t be more pleased with all the treatments I received . She is so professional, kind and funny. Her assistants are just amazing. My case was very complex and required over a year of treatments.I was also happy with Dr Patel that made root canals a walk in park. I will continue to go to this practice for future check ups and future treatments. Lynda
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Gem Atelier
29 August 2024
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Outstanding Dental Practice with best doctors in the UK. My smile was restored to a natural perfection after a sport accident by dental magicians Professor Shanon Patel and Doctor Paul Holmes. I can't recommend them highly enough!!
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Mandy Bissell
5 July 2024
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Professor Patel and his team were incredibly professional and efficient. I had a particularly challenging root canal and being an extremely nervous patient, I was dreading it. However there was no need, I didn’t feel anything and I didn’t need to take any painkillers after the treatment. Amazing treatment and care from Professor Patel and his team. Thank you
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Beth Cartmell
31 May 2024
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I discovered Dawood and Tanner some years ago after experiencing problems with previous root canal work. Fiona Mackillop was amazing and I couldn’t have been more satisfied. However, my recent experience has exceeded my expectations. I needed emergency treatment following a fall on holiday in Australia. A quick call ensured that they saw me the day I arrived home, two further appointments were arranged and a temporary bridge was fitted within just three days! Amazing service. Renata deserves a special mention, she is such a wonderful coordinator and managed to move heaven and earth to find the time in Fiona’s diary to fit me in. Thank you Renata!
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Gillian Greenwood
27 March 2024
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I have been attending Dawood and Tanner for some 24 years! My mouth was in need of a lot of work, despite the fact that I regularly visited a dentist (evidently not a good one though). My root canals were failing and I had gum disease! At Dawood and Tanner I had many hygiene visits and deep cleaning from Fiona MacKillop and then she performed surgery on my gums. Eventually I was rid of gum disease. Then Andrew Dawood sorted out my root canals and my implant. The hygienist helped me with teeth whitening. I developed a gap between my front two teeth due to the previous gum disease allowing the teeth to twist and that needed to be addressed with orthodontics. I had braces fitted to both my top and bottom teeth to straighten them to prevent the damage getting worse. One and a half years later they were straight. Next issue: my jaw was slightly crooked causing my teeth to wear down at an angle. To address this problem Andrew Chandrapal bonded my teeth and Fiona adjusted my crowns to create an even biting surface. Jenny Huntley makes sure my hygiene is kept up to scratch; I see her every three months. Over the years I have seen the business grow, adding more staff and more services, but still staying warm and genuinely friendly. They have some of the best equipment anywhere and they work as a team. At one point 3 experts had a meeting about my teeth! Yes it has stretched my finances over the years but I still have my teeth - I can eat well, they look really healthy and natural, and will continue to last me the next 24 years with help from the team at Dawood & Tanner.
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Lisa Murphy
1 November 2023
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I am a very happy patient after receiving excellent care from Dr Fiona Mackillop and Professor Shanon Patel. I had painless root canal treatment by Professor Patel and a gentle, painless tooth extraction by Dr Mackillop. Both are caring ,talented dentists who I would highly recommend.
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Zita Suminokura
11 September 2022
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Excellent! Very Professional! The Best! I have been introduced to Dawood & Tanner about 3 years ago and had visited the practice since than for many teeth issues, from root canal treatment, extraction, implant and regular hygienist check ups. The whole team is highly professional and so welcoming, including the reception members. They will always give you all options and would support you throughout the treatment and post check ups. Professor Patel, Dr Fiona McKillop and their teams helped me so much and would recommend them highly. Also my hygienist Elisabeth always helps me with great advises how to keep my teeth and gums healthy. Thank you all very much!
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Christelle
22 October 2020
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I have had the privilege of being treated by two dentists at Dawood and Tanner, Dr. Shanon Patel, and Dr. Francesca Tosson. Dr. Shanon Patel saw me for my re-root canal and was able to save my tooth in what ended up being an intricate and difficult procedure. I felt like I was in skilled hands and I’m immensely grateful to him for having staved off my need for an implant for a few more years. While I was in his chair, he noticed fissures in my teeth which he attributed to clenching. He recommended treatment to fix and prevent further damage. This is when I started treatment with Dr. Francesca Tosson. Immediately she recognised that I would be put most at ease by being talked through a given procedure. She took the time to assuage any concerns about a process, and talk through the decisions she makes on my behalf. Her priority was the long term health of my teeth, and I’m thrilled with the outcome of the number onlays, composites, and crowns we’ve had to do. My teeth look and feel natural. I always feel incredibly relaxed and comfortable in her chair knowing that I am in excellent hands. The staff, the nurses, the technicians have also all been lovely. I could not recommend Dawood and Tanner more.

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