You’re eating lunch – maybe a sandwich, maybe something a bit chewier – and suddenly there’s that unmistakable sensation. Something’s come away from a tooth. You prod it with your tongue. There’s a rough edge where something smooth used to be. And now, if you breathe in cold air, you know about it.
A lost or broken filling is one of the most common dental emergencies people face, and it always seems to happen at the worst possible time. If you have lost a filling, and need it fixed asap, here are a few tips:
Why a Lost Filling Is Never Just a Minor Inconvenience
People assume a missing filling can wait a week or two. It usually can’t. When a filling comes out, the dentine underneath is exposed. This is the softer layer of your tooth, full of tiny channels that connect directly to the nerve part of the tooth. Cold drinks, hot food, and even air hitting it can be genuinely painful. More importantly, bacteria get in quickly. What was a small cavity that had been filled and forgotten can start decaying again within days.
There’s also the structural issue. A tooth that’s lost a filling, especially a back molar, is weaker than it looks. Bite down on something firm at the wrong angle, and you can crack it. A cracked tooth is a much bigger problem than a lost filling, as it would potentially require a crown, a root canal, or, in the worst cases, an extraction. Sorting the filling promptly is always the cheaper and simpler option.


What to Do While You Wait for Your Appointment
If you’ve lost a filling and you’re in pain, there are a few sensible things to do while you’re arranging to be seen. Rinse gently with warm salty water to keep the area clean. If accessible brush the tooth after every meal. Floss and use interdental aids like a Tepe brush to avoid further food packing. Avoid chewing on that side of your mouth especially sticky foods.
If it is sensitive, over-the-counter clove oil can take the edge off sensitivity. Dab a tiny amount on the exposed area with a cotton bud. Pharmacies also sell temporary dental cement, which can protect the tooth for a short period. It’s not a fix, but it keeps bacteria out until your dentist can see you properly. Brush the tooth and floss well, try keep it dry, roll the temporary cement into a ball and then plug the space. Avoid eating on the side for an hour.
What you shouldn’t do is ignore it entirely or assume it’ll settle on its own. It won’t.
NHS vs Private: Your Options for an Emergency Filling in London
If you’re searching for an Emergency NHS Dentist Near Me, it’s worth understanding the reality of how NHS emergency dental works before you’re stuck waiting. NHS 111 can direct you to an urgent dental care centre soon as they can. Availability varies enormously across London. NHS emergency slots are triaged so once you speak to an operator, they can allocate you a dental practice to visit. At times, you may have to travel a little further depending on availability.
For many people, a same-day private appointment is both quicker and more straightforward. During opening house, we keep daily emergency slots. The dentist shall assess, carry out a dental xray (if required) and further tests, explain what’s happened and give you options to help.
At Broadway Dental Studio Mill Hill, we keep daily slots specifically for urgent cases, including patients who’ve never visited us before.
If we are closed please contact Barnet emergency dental services on 076 6100 1236. The practice pays an annual fee to be part of the service for our patients to be looked after.


How We Handle Emergency Fillings at Broadway Dental Studio Mill Hill
When you ring us needing an Emergency Dentist London, we’ll ask a couple of quick questions to understand what’s happened such as which tooth, whether you’re in pain, how long ago it occurred? We’ll find you the earliest slot we can. Same day, in most cases. Our emergency appointments are long enough for the dentist to actually look properly, take an X-ray if needed, carry out specific tests, go through options and carry out the right treatment.
For a straightforward lost or broken filling, we can typically place a permanent composite (tooth-coloured) filling in that single visit. Composite fillings look natural, bond well to the tooth, and don’t require mercury. The result is both functional and aesthetically sound. If the tooth turns out to be more damaged than it appeared such as a crack underneath the old filling or decay that’s spread further than expected, we’ll tell you honestly and walk you through your options, whether that’s a larger restoration, an onlay, or a crown.
We’re also a NHS and Private Dental Clinic in London that’s been in Mill Hill for over a hundred years, treating whole families across NW7 and the surrounding areas. When you come in for an emergency, you’re not just getting the immediate problem sorted, you’re being seen by a team that takes your longer-term oral health seriously.
What Else Might Be Going On With Your Tooth?
Sometimes a lost filling isn’t the whole story. If the tooth underneath has been quietly decaying for a while, or if there’s a crack that’s been spreading, there may be more going on than a simple refill. That’s not a reason to panic! It’s just a reason to get a proper look.
Our dentists can assess whether a filling is the right solution or whether the tooth would benefit from something more protective. Teeth that have had multiple fillings over the years, or that have developed cracks, often do better with a crown or an onlay. This is a restoration that covers more of the biting surface and provides better long-term protection. We’ll always explain the options clearly before we start.
Beyond emergency treatment, Broadway Dental Studio Mill Hill also offer the full range of restorative and preventive care. Routine dental check-ups in Mill Hill, professional Dentist Teeth Cleaning London, specialist gum treatments through our Periodontist Near Me service, orthodontic consultations with our Orthodontist Near Me specialist, Teeth Whitening Near Me, and Dentures London. Whether you’re dealing with an emergency today or planning for your longer-term smile, we can help with it all under one roof.
The Honest Case for Not Letting It Slide
Dentistry isn’t anybody’s favourite thing. We know that. But the gap between “lost filling that is dealt with promptly” and “lost filling that is ignored for six weeks” is often the difference between a thirty-minute appointment and a root canal treatment. The tooth doesn’t recover on its own. The exposure doesn’t seal over. It gets worse, slowly and then all at once.
If you need an Emergency Filling in London and you’re somewhere in North or Central London, we’re straightforward to reach.
Ring us on 020 8959 2497 or drop us an email at contact@broadwaydentalstudio.co.uk, and we’ll get you in as soon as we can. Walk-ins are welcome if we have space, though a quick call ahead means we can definitely have a slot ready for you.
Don’t sit on it. A filling sorted today is a much better story than a crown six weeks from now.