Dental Emergency First Aid: What to Do Before You Reach the Dentist

22 August 2026

Dental Emergency First Aid: What to Do Before You Reach the Dentist

It’s just happened. A tooth is out, or broken, or bleeding, and you’ve got minutes, not hours, to think straight. Whatever’s going on, here’s exactly what to do — calmly, step by step — while you’re on your way to us.

Stay Calm and Call Us First

Before any first aid, call the practice so we know you’re coming. It takes thirty seconds and means we can get a chair ready, tell you what to do next for your specific situation, and flag anything urgent to the dentist before you’ve even walked in.

When you call, it helps if you can tell us: what happened, roughly when, and whether you have any allergies or take any medications. That last part rarely gets mentioned on other dental advice pages, but it genuinely changes how we prepare for you.

One thing worth saying clearly: everything below is what to do while help is on the way, not instead of it. First aid buys you time. It doesn’t replace being seen.

Knocked-Out Tooth — What to Do in the First Few Minutes

This is the most time-critical situation on this list, so speed and technique both matter.

• Pick the tooth up by the crown (the white, chewing part) — never touch the root.
• If it’s dirty, rinse it gently with water. No scrubbing, no soap.
• If you can, try to reinsert it gently into the socket. If that’s not possible, keep it moist — milk is the best option, followed by saliva or saline. Never let it dry out, and never store it in tap water for long.
• The best outcome comes from treatment within 30–60 minutes, so head to us straight away.
• If the socket is bleeding, bite down on clean gauze or a folded cloth with firm, steady pressure.

Broken or Chipped Tooth: Protecting It Until You’re Seen

• Rinse your mouth gently with warm water.
• If you can find the broken piece, save it and bring it with you.
• Hold a cold compress against the outside of your cheek if there’s swelling.
• If you have sugar-free gum or dental wax at home, press a small amount over any sharp edges to protect your tongue and cheek.
• Avoid chewing on that side until you’re seen.

Lost Filling or Crown: A Temporary Fix

• If the crown came out in one piece, keep it and bring it with you.
• A small dab of clean toothpaste or dental cement (available from most pharmacies) over the exposed area can help temporarily — never use household glue.

Avoid chewing on that side until it’s properly repaired.

Bleeding, Swelling, or Facial Injury: When First Aid Isn’t Enough

• Apply firm, steady pressure with clean gauze. Try not to keep checking underneath it — that disrupts the clotting process and can restart the bleeding.
• Use a cold compress on any swelling.

There are a few signs that go beyond dental first aid: bleeding that hasn’t slowed after 15–20 minutes of steady pressure, swelling that’s spreading toward your eye or neck, or any difficulty breathing or swallowing. If any of that applies, go straight to A&E rather than waiting for a dental appointment. We’d always rather be upfront about that than have you sit in a waiting room when you need emergency medical care.

Toothache Without Injury: What Helps in the Meantime

• A warm salt water rinse can help settle general discomfort.
• Floss gently around the tooth — trapped food is a more common cause of sudden pain than people expect.
• Take over-the-counter pain relief as directed on the packet. Never place aspirin directly against your gum or tooth — it doesn’t help and can burn the tissue.
• Avoid very hot or very cold food and drink until you’re seen.

Building a Simple Dental Emergency Kit at Home

A few basics kept in one small container mean you’re never caught out: clean gauze, a small lidded pot (for a knocked-out tooth or broken piece), a cold pack, dental wax, sugar-free gum, and our phone number saved somewhere you’d actually find it at 1am. Five minutes now can save a lot of panic later.

When to Head Straight to Herongate Dental Surgery

If you’re dealing with any of the above, don’t wait it out — call us and come straight in. We keep same-day emergency slots open specifically for situations like these. If you’re still working out whether what you’re facing actually counts as an emergency, our earlier guide, What Actually Counts as a Dental Emergency?, walks through exactly that.

You can read more about how we’ve supported other patients through moments like this in our patient reviews. Otherwise, just call — that’s what we’re here for.