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Endodontics · Primrose Hill, NW1

Retrograde filling for apical sealing in London

Retrograde filling is a specialist endodontic procedure used to seal the root end of a tooth to prevent reinfection. We use this technique to save teeth that standard root canal therapy alone cannot treat.

The time the procedure needs varies by case. A consultation with Dr Neha Patel, specialist in endodontics (GDC No. 150517), determines the exact steps and timeframe your case needs.

A precise procedure to protect your tooth

  • GDC-registered specialist endodontist
  • Primrose Hill, London NW1
Dr Neha Patel, Specialist in Endodontics
GDC-registered specialist endodontistLondon Dental Specialists

Identifying the cause of persistent tooth pain

You may be experiencing severe pain from an infected pulp that has not responded to previous treatment. When a tooth infection spreads to adjacent teeth or resists standard care, it can become serious. We use 3D CBCT imaging and pulp vitality tests to identify the precise cause of your discomfort, gauging nerve response and tooth sensitivity, which matters for planning endodontics in London. Combining these diagnostic approaches cuts the need for exploratory treatment and helps us build a targeted plan to preserve your natural tooth structure.

Whether you are dealing with cracked tooth syndrome or a complex infection in a traumatised tooth, Dr Patel uses an operating microscope for a precise diagnosis. We provide these specialist procedures to stop the infection spreading and avoid the need for extraction. A consultation lets us assess your specific case and decide the most effective way to relieve your pain.

Specialist planning for apical sealing

Choosing the wrong procedure can lead to tooth loss. We prevent this through specialist-led planning, where Dr Patel assesses whether a retrograde filling is the correct choice for your specific anatomy. This diagnosis-first approach means you receive the precise treatment the tooth needs, rather than a generic solution.

Depending on the complexity of the root, we may recommend hemisection for multi rooted tooth preservation, intentional replantation for inaccessible canal treatment, or perforation repair for iatrogenic openings. We set out pricing clearly at your consultation, so you understand the costs before treatment begins.

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Who can benefit from apical sealing

Saving a tooth that has failed previous root canal treatment is often possible through a retrograde filling. This procedure typically suits patients with persistent infection at the root tip, or whose anatomy makes standard treatment difficult. We understand that returning to the dentist after a failed procedure can feel daunting. Dr Patel focuses on removing the source of infection to prevent tooth loss. If you are unsure which root canal treatments: which option fits your case, an examination will determine your candidacy.

Putting off a visit because of anxiety is common. We provide a supportive environment for patients who feel anxious.

Sealing the root tip

Endodontic root assessment

We begin by examining the tooth to see whether the infection persists. This stage identifies whether you need an apicoectomy to remove the infected root tip. We use this clinical review to confirm whether a retrograde filling is the right path to save your natural tooth.

Accessing the root apex

We create a small opening in the gum to reach the end of the root, letting us remove infected nerve tissue and any remaining bacteria. It is a precise process, and we confirm the area is clean before sealing begins.

Placing the apical seal

We place a biocompatible material at the very tip of the root. This creates a protective dental procedure that blocks bacteria from re-entering the canal, sealing the root from the bottom up and preventing further inflammation in the surrounding bone.

Suturing and closing

Once the seal is secure, we close the small incision with sutures, focusing on a tidy closure to encourage fast healing and positioning the gum tissue correctly to protect the site.

Post-treatment review

We monitor the area to confirm the infection has cleared. Some patients worry about the pain of the procedure or the number of visits required, and we address these concerns at your consultation with a clear timeline for recovery.

Clinical precision and outcomes

We use operating microscopes, precision instruments, and advanced materials for filling and canal disinfection, which also allow a precise diagnosis of tooth fractures through microscopic examination.

We use bioactive materials to stimulate dentine bridge formation, which supports pulp healing. This approach to microsurgery preserves the natural tooth and restores oral health.

We provide a range of specialist services at our Primrose Hill practice, including root canal retreatment, apicoectomy, cracked tooth treatment, and dental trauma care. The practice is led by Dr Ope Sodeinde, GDC-registered specialist periodontist (GDC No. 104071).

Clinical outcomes for apical sealing

We focus on the outcome of every procedure, with a calm, unhurried environment where you can discuss honest options without pressure, so you understand the steps needed to resolve your issue.

We understand that anxiety often accompanies specialist dental work. We keep your comfort a priority throughout your visit to our Primrose Hill practice. If you have questions about the suitability of this treatment, we can assess your needs at a consultation.

Common concerns about apical sealing

What is a root canal filling?

A retrograde filling is a procedure used to seal the end of a root canal. We use this when a standard root canal has failed or cannot reach the tip of the root, sealing the canal from the root end to stop bacteria causing further infection.

How much does retrograde filling cost?

Fees vary with the complexity of your case. We provide a specific cost breakdown at your clinical assessment, where we examine the root and decide the right approach.

How long does retrograde filling take?

The duration of the procedure depends on the number of canals needing sealing. Your clinician gives you a precise timeframe at your appointment after reviewing your dental imaging.

Is retrograde filling painful?

Fear of discomfort is a common concern. We use local anaesthetic for patients who feel anxious, and we focus on a calm environment to manage any anxiety you feel.

Assess your apical seal

We determine whether you are suitable for this procedure at a clinical examination. Dr Patel assesses the root tip to establish the right course of action. You can see what happens at your root canal consultation and how to book to begin this process. We also provide a wider range of endodontics in London for complex cases.

Request your assessment or call us on 020 7589 7792.

Further endodontic options

We assess each case individually to decide whether a retrograde filling is the most effective way to save your tooth. Depending on the root anatomy and the location of the infection, we may suggest other advanced techniques, including hemisection for multi rooted tooth preservation or intentional replantation for inaccessible canal treatment. In cases of structural damage, we provide perforation repair for iatrogenic openings.

Dr Patel determines the suitability of these procedures at your clinical assessment.

We give you a written plan and an itemised quote that is yours to keep and use at any other practice. Arrange your assessment with Dr Patel to determine whether this procedure is right for you.

020 7589 7792

Who carries out your treatment

Your specialists

Dr Neha Patel, Specialist in Endodontics

Dr Neha Patel

Specialist in endodonticsGDC No. 150517

Profile and qualifications

Dr Ope Sodeinde, Specialist in Periodontics

Dr Ope Sodeinde

GDC-registered specialist periodontistGDC No. 104071

Profile and qualifications

Patient reviews

What our patients say

Real, verified Google reviews from patients of London Dental Specialists.

“Recently had a tooth extracted and I was feeling anxious, but the staff was super calming and the procedure was quick and painless.”

Megan Kennedy · Google review

“This was my first specialist root canal treatment with Dr Neha Patel and I felt very reassured in her ability.”

Jordan CS · Google review

“A few months after a failed re-root canal treatment at a different Dental Surgery I started looking for a Dentist that I can trust and from speaking to Dr Ope I felt that he was trustworthy as he really cared.”

Sarah Faith · Google review

“Dr Ope and his team really helped to put me at ease and there was no pain at all in the procedure.”

Kirsty L · Google review

“My latest treatment at London Dental has been an extraction with implant insertion and gum graft followed by 2 root canal treatments and three new crowns.”

Lindy Stacey · Google review

“This required root canal treatment (completed by Dr Neha Patel) and then the fitting of a crown, after complex work to reshape the tooth (completed by Dr Ope Sodeinde).”

Andrew Budd · Google review

“It was a journey, but Ope and the team successfully helped me deal with an old root canal, failed crown and decayed tooth.”

Chris Williams · Google review

“Rather than the extraction, they carefully operated a root canal.”

Jingyuan Wang · Google review

“Ope, based on the condition of my affected tooth, why I should have dental implant as opposed to the root canal treatment (I really wanted to keep my natural tooth) I wanted.”

Sammy Adoki · Google review

“Follow up hygienist appointment by Miss O'Keefe and root canal by Dr Patel were the same excellent high standards.”

C Skerritt · Google review

“The tooth extraction was so painless I didn't even realise Dr Ope had extracted the tooth.”

Sarah Faith · Google review

“If I was having a dental implant I would definitely be running to sit in Dr Ope's chair as I know the experience would be pain free.”

Sarah Faith · Google review

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NW1

Where we are

111 Regent's Park Road, Primrose Hill, London NW1 8UR

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020 7589 7792

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