A filling falls out during lunch. A sharp edge catches your tongue. A dull ache that has been building for days suddenly becomes impossible to ignore. These are situations thousands of patients in London face every week — and they all lead to the same question: can I actually get a filling at an emergency dentist?
The short answer is yes. Emergency dental fillings in London are one of the most common same-day treatments available. Whether you have lost an existing filling, developed sudden cavity pain, or cracked a tooth, an emergency dentist can assess the damage and, in many cases, place a filling during the same visit.
This guide explains exactly when fillings are provided during emergency appointments, the difference between temporary and permanent options, what the process involves, and how much you can expect to pay. At Emergency Dentist London, we see patients for emergency cavity treatment every day — and same-day appointments are available.
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Can You Get a Filling at an Emergency Dentist?
Yes, you can get a filling at an emergency dentist. Emergency dental fillings in London are routinely placed during same-day appointments. Depending on the extent of the damage, the dentist may place a temporary protective filling or a permanent composite restoration. An assessment determines which approach is right for your situation.
Emergency dentists provide fillings when a tooth is causing pain, when a previous filling has been lost, or when decay has progressed to the point where the tooth needs immediate protection. In straightforward cases — a small cavity or a cleanly lost filling — a permanent composite filling can often be placed the same day.
In more complex situations, a temporary filling may be used first. This protects the tooth, seals out bacteria, and relieves discomfort while a follow-up appointment is arranged for definitive treatment. Temporary vs permanent emergency fillings is one of the most common topics patients ask about, and understanding the difference helps set clear expectations.
Meet Dr. Yasha Shirazi
Principal Dentist at Emergency Dentist London
"We treat hundreds of dental emergencies every month. The sooner you come in, the easier the fix usually is."
Book an appointment with our team →Emergency cavity treatment follows the same clinical standards as a routine filling appointment. The key difference is speed of access — you are seen promptly, the pain is addressed, and the tooth is stabilised.
When Is an Emergency Dental Filling Needed?
Several situations make an emergency filling necessary. Recognising them early means you can get the right care before the problem worsens.
Lost filling. When an existing filling falls out, the cavity underneath is exposed. Food, bacteria, and temperature changes can reach the sensitive inner layers of the tooth, causing sharp pain and increasing the risk of infection. Prompt lost filling or crown replacement prevents further damage and restores protection.
Cracked or chipped tooth. A crack can expose the softer dentine beneath the enamel. If the crack is small and the nerve is not involved, a filling may be all that is needed to seal and strengthen the tooth.
Sudden cavity pain. A cavity that has been slowly developing may suddenly become painful when it reaches a certain depth. Toothache relief from a missing filling or untreated decay often requires the cavity to be cleaned and filled without delay.
Sensitivity that will not settle. Persistent sensitivity to hot, cold, or sweet foods can indicate that decay has progressed close to the nerve. Early intervention with a filling can often prevent the need for more involved treatment later. If your pain is severe, our guide to treatment for severe toothache explains what to expect.
Temporary vs Permanent Emergency Fillings — What's the Difference?
Understanding temporary vs permanent emergency fillings helps you know what to expect from your appointment and whether a follow-up visit will be needed.
Temporary protective fillings. A temporary filling is made from a softer material designed to seal the tooth quickly. It protects the exposed area, keeps bacteria out, and provides short-term relief. Temporary fillings are not intended as long-term restorations — they are a holding measure while a permanent solution is planned.


Real Patient Result: Emergency White Filling
Treatment by Dr Kamran
Your dentist may place a temporary filling when:
- The cavity is deep and close to the nerve, requiring monitoring before a final restoration
- A medicated dressing has been placed inside the tooth to calm inflammation
- Time constraints during the emergency appointment do not allow for a full permanent restoration
- Further diagnostic information, such as detailed X-rays, is needed before deciding on the best permanent approach
Permanent composite restorations. A permanent filling — typically a tooth-coloured composite resin — is placed when the dentist can fully clean and prepare the cavity during the same visit. The composite is bonded directly to the tooth, shaped to match the natural contour, and hardened with a curing light.
Permanent composite fillings are durable, aesthetically natural, and designed to last for years with proper care. Emergency dental repairs using modern composite materials achieve high clinical success in emergency dental repairs, provided the tooth structure is adequate and the placement conditions are favourable.
Your dentist will explain clearly which type of filling you are receiving and whether any follow-up is needed.
What Happens During an Emergency Dental Assessment?
Before any filling is placed, the dentist carries out a thorough assessment. Understanding this process can help ease any anxiety about what to expect.
Clinical examination. The dentist examines the affected tooth and surrounding area visually and with instruments. They check for visible decay, cracks, swelling, and the condition of any existing restorations.
X-rays if needed. A dental X-ray may be taken to see beneath the surface. This reveals the depth of decay, the proximity to the nerve, and whether infection is present at the root. Not every case requires X-rays, but they provide valuable diagnostic information when the damage is not fully visible.
Pain diagnosis. The dentist identifies the source of pain using clinical tests. This may include temperature testing, gentle pressure, and checking the bite. Accurate diagnosis ensures the right tooth is treated and the correct approach is chosen.
Treatment plan. Based on the assessment, the dentist explains the findings and recommends the most appropriate treatment. If a filling is suitable, they outline whether it will be temporary or permanent and discuss the expected outcome.
The emergency dental assessment fee covers this diagnostic process and is separate from the treatment cost. The assessment ensures that treatment is targeted and effective, minimising discomfort during emergency dental work. For a full breakdown of what appointments cost, read our guide on emergency dentist costs in London.
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Cost of Emergency Dental Filling in London
The cost of an emergency dental filling in London depends on several factors. Understanding these helps you plan and avoids unexpected surprises.
Type of filling. A simple, single-surface composite filling costs less than a large, multi-surface restoration. The size and location of the cavity influence the material required and the time involved.
Assessment vs treatment fee. The emergency dental assessment fee is typically charged separately from the treatment itself. The assessment covers the examination, diagnosis, and any X-rays. The filling is then priced based on the complexity of the restoration.
Additional treatment. If the tooth requires more than a straightforward filling — for example, if a build-up or a crown is recommended — the cost reflects the additional work involved.
At Emergency Dentist London, we believe in transparency. Your dentist will provide a clear treatment plan with costs before any work begins. There are no hidden charges. For a detailed overview of our fees, visit the Emergency Dentist London pricing page.
Walk-In Emergency Dentist London — Can You Be Seen Same Day?
Many patients searching for a walk-in emergency dentist in London want to know whether they can be seen without a pre-existing registration or a long wait. The answer, in most cases, is yes.
At Emergency Dentist London, same-day appointments are available for patients experiencing dental pain, lost fillings, and other urgent issues. You do not need to be a registered patient. New patients are welcome, and appointments can often be arranged within hours of your call or online booking.
Our experienced emergency clinicians are available during extended hours, including evenings and weekends. This means that out of hours emergency dental care is accessible when most high-street practices are closed. Whether your filling falls out on a Saturday morning or you develop sudden pain late on a weekday evening, prompt care is available.
For more information about walk-in availability, visit our walk-in dentist in London page. If you need care outside standard hours, our out of hours dentist London page has full details.
When a Filling Isn't Enough
While fillings resolve many emergency situations, there are times when a different approach is needed. It is important to understand when a filling alone may not be sufficient.
Deep decay reaching the nerve. If the cavity has extended into the pulp — the living tissue inside the tooth — a filling cannot resolve the problem on its own. The infected or inflamed nerve tissue needs to be removed through root canal treatment before the tooth can be permanently restored.
Large structural damage. When a significant portion of the tooth has broken away or been weakened by decay, a filling may not provide enough structural support. In these cases, a crown — a custom-made cap that covers the entire visible portion of the tooth — offers better long-term protection. Visit our broken tooth repair page for more on this.
Fractured tooth below the gum line. If the tooth is fractured vertically or below the gum line, it may not be restorable. Your dentist will explain all options honestly and recommend the most appropriate path forward.
In each of these scenarios, the emergency appointment still plays a critical role. The tooth is assessed, pain is managed, and a clear plan is put in place — even if the definitive treatment takes more than one visit.
Preventing Future Emergency Fillings
While emergencies cannot always be avoided, there are practical steps you can take to reduce the likelihood of needing urgent filling treatment in the future.
Treat cavities early. Small cavities are simpler and less expensive to treat than large ones. If your dentist identifies early decay during a routine check-up, addressing it promptly prevents it from progressing to the point where emergency care is needed.
Do not ignore symptoms. Mild sensitivity, occasional twinges, or a rough edge on a filling are all signs that something may need attention. Booking a routine appointment at the first sign of a problem is far easier than dealing with a full-blown emergency later.
Attend regular check-ups. Routine dental examinations allow your dentist to monitor existing fillings, spot early signs of wear or decay, and intervene before problems become urgent. Prevention is always simpler than cure.
Protect your restorations. Avoid biting hard objects such as ice, pen caps, or hard sweets. If you grind your teeth at night, a custom night guard can protect both your natural teeth and your fillings from excessive wear.
Maintain good oral hygiene. Brushing twice daily with fluoride toothpaste, flossing daily, and using mouthwash all help prevent new decay from forming around existing fillings. Good home care extends the life of your restorations significantly.
Frequently Asked Questions
Can you get a filling at an emergency dentist?
Yes. Emergency dentists routinely place fillings during same-day appointments. Depending on the situation, you may receive a temporary protective filling or a permanent composite restoration. The dentist will assess the tooth and recommend the most appropriate option.
Are emergency dental fillings permanent?
They can be. If the cavity is straightforward and the tooth structure is adequate, a permanent composite filling can be placed during the emergency visit. In more complex cases, a temporary filling is used first, with a permanent restoration placed at a follow-up appointment.
What is the cost of emergency dental filling?
The cost depends on the size and complexity of the filling, plus the emergency dental assessment fee. At Emergency Dentist London, all costs are explained clearly before treatment begins. Visit our pricing page for a detailed breakdown of fees.
Can I see a walk-in emergency dentist London today?
In most cases, yes. Same-day appointments are available for patients experiencing dental pain or urgent issues such as lost fillings. You do not need to be a registered patient. Book online or call to check availability.
What is the emergency dental assessment fee?
The assessment fee covers the clinical examination, diagnosis, and any X-rays needed to determine the cause of your problem. It is separate from the treatment fee and is charged regardless of whether treatment is carried out during the same visit.
Do emergency dentists treat cavities the same day?
Yes, in many cases. If the cavity is accessible and the damage is not too extensive, the dentist can clean and fill it during the same appointment. Larger or more complex cavities may require a temporary filling first, with definitive treatment at a subsequent visit.
