Recognising the warning signs of an infected or damaged tooth early can make a significant difference to the complexity of the treatment required. If you are experiencing any of the following, we encourage you to contact our clinic promptly:
If you are experiencing one or more of these symptoms, please do not wait. Contact ODL Dental Clinic and our team will assess your tooth as promptly as possible.
Your appointment begins with a thorough clinical examination of the affected tooth and the surrounding gum and bone tissue. Our dentist will assess the extent of any infection or damage, review your symptoms, and discuss your treatment options in full. This is an unhurried conversation — we want you to feel informed and at ease before anything else begins.
Detailed dental X-rays — and in some cases 3D imaging — are used to map the internal anatomy of the tooth's root canals, identify the extent of any infection, and confirm the diagnosis. This imaging is essential to planning the treatment accurately, as root canal systems vary in complexity from tooth to tooth and patient to patient.
Local anaesthetic is administered to ensure you are completely comfortable before treatment begins. The tooth is then isolated using a small rubber sheet to keep the area clean and dry. The infected or damaged pulp tissue is carefully removed from the canals, which are then cleaned, shaped, and disinfected with specialist instruments and irrigation solutions to eliminate all traces of bacteria.
Once the canals are thoroughly cleaned and confirmed to be free of infection, they are filled with a biocompatible material called gutta-percha and sealed to prevent re-infection. A temporary or permanent filling is placed at the top of the tooth at this stage, depending on whether a further appointment is required to complete the restoration.
In most cases, a tooth that has undergone dental root canal treatment requires a crown to protect and strengthen it for long-term use, as the tooth becomes more brittle once the pulp is removed. Our team will discuss the most appropriate restoration for your tooth at your follow-up appointment and provide detailed aftercare guidance to support your recovery and protect the treated tooth.
For patients dealing with a dental infection or severe tooth pain, dental root canal treatment offers a range of significant clinical and quality-of-life benefits:
Some degree of tenderness or mild discomfort around the treated tooth is entirely normal for the first few days after root canal treatment — particularly when pressure is applied or when biting down. This is the tissue around the root tip responding to the treatment and typically settles within two to five days. Over-the-counter pain relief such as ibuprofen or paracetamol is usually sufficient to manage this comfortably.
Your tooth may feel slightly different or more sensitive than usual for a short period following the procedure. This is a normal part of healing and should reduce progressively. If pain intensifies, persists beyond a week, or is accompanied by visible swelling, contact our clinic for advice — this may indicate that a follow-up assessment is needed.
We recommend avoiding eating on the treated side of your mouth until the numbness from the local anaesthetic has completely worn off, as this reduces the risk of accidentally biting your cheek or tongue. For the first few days, softer foods are more comfortable and place less stress on the treated tooth whilst healing progresses.
Continue to brush and floss normally, taking a little extra care around the treated area in the initial days. Attend any follow-up appointments as scheduled — typically for the placement of a permanent crown or further assessment — and let our team know if anything feels unusual before then. Long-term protection of the tooth with an appropriate restoration is an essential part of ensuring the success of your treatment.
Root canal treatment is used to address several distinct dental conditions, each of which affects the tooth differently. Here is how treatment applies across the most common scenarios:
When decay progresses through the outer enamel and dentine and reaches the inner pulp chamber, it causes the pulp tissue to become inflamed and eventually infected. At this stage, a filling is no longer sufficient — the infection must be removed and the canal cleaned and sealed to save the tooth. Dental root canal treatment is the standard clinical response to decay that has reached the pulp, and when treated promptly, the long-term outcome is very positive.
A dental abscess is a collection of pus caused by a bacterial infection within the tooth or the surrounding tissue. It often presents as a visible swelling on the gum, a persistent bad taste, and significant pain. Root canal infection treatment removes the source of the infection, drains the abscess, and disinfects the canal system — stopping the spread of bacteria and relieving the acute pain and swelling associated with the condition.
A crack or fracture that extends deep into the tooth — whether caused by trauma, a heavily restored tooth, or a bite injury — can allow bacteria to reach the pulp and trigger infection or inflammation. Root canal treatment cleans and seals the internal damage, and a crown placed over the tooth afterwards stabilises the crack and protects the tooth from further deterioration.
In some cases, a tooth that has previously undergone root canal treatment requires re-treatment — either because the original treatment did not fully resolve the infection, the tooth has developed a new infection over time, or the internal seal has broken down. Repeat root canal treatment in London follows a similar process to the initial procedure, with additional care given to identifying and addressing the cause of the recurring issue.
Acute dental pain — particularly when accompanied by swelling, a dental abscess, or a broken tooth — is a dental emergency that should be treated as promptly as possible. At ODL Dental Clinic, we accommodate urgent cases and can often provide dentist root canal treatment on the same day or within a very short time frame for patients in acute distress. Early intervention not only relieves pain faster but also prevents the infection from advancing.
