Infected Tooth Extraction

Can a Dentist Remove a Tooth That Is Still Infected?

Yes. Extracting an infected tooth is possible, and an active infection alone does not rule it out. Even so, our dentists usually calm the infection with a prescribed antibiotic first, so the pain eases gradually. They also check whether the tooth is worth saving. Next, they assess how far the infection has spread and pick the right moment.

Three checks before the forceps come out

Every decision about infected tooth extraction rests on three questions. The first is whether a root canal and a crown could rebuild the tooth. Another is whether the infection has moved beyond the root. Finally, your dentist asks about heart conditions, diabetes, immune-suppressing drugs and blood thinners.

Dental abscess

A pocket of pus caused by bacteria, usually at the root tip or in the gum.

Periapical X-ray

A close-up radiograph showing the whole tooth, its root and the surrounding bone.

Facial cellulitis

Infection that spreads diffusely into the soft tissues of the face or neck rather than staying in one pocket.

Dry socket

Pain that builds a few days after an extraction when the blood clot fails to form or breaks down early.

Trismus

Restricted mouth opening caused by muscle spasm, which can make it hard to reach a back tooth.

Is Waiting for Antibiotics to Work Really Necessary?

For an infected tooth, yes: a prescribed antibiotic is the first priority. It calms the infection, and the pain then fades gradually. In the first two or three days, painkillers alone rarely bring full relief. Once the infection settles, your dentist decides when infected tooth extraction or root canal work should follow.

While you wait for dental abscess treatment, do not exceed the recommended dose of any painkiller. A higher dose will not work better and can be very dangerous.

NHS, Dental abscess (page last reviewed 18 March 2026)

Taking antibiotics safely

Take antibiotics only when a dentist prescribes them for you, and follow the course as directed. Never start on tablets left over from an old course. Fever, spreading facial swelling or trouble opening the mouth call for an urgent review. Afterwards, infected tooth extraction or root canal work removes the source for good.

Is Saving the Tooth Still an Option?

Often it is, and keeping a natural tooth is usually the first choice. Root canal treatment removes the infected pulp and seals the cleaned canals. Then the bone around the root can heal. Even with an abscess present, the dentist can open the tooth to release pus. Extraction comes into play when too little sound tooth remains to rebuild.

Signs a tooth is past saving

A crack running down the root is a classic deal-breaker, since bacteria keep re-entering. Deep decay below the gum and bone loss that loosens the tooth tip the balance too. In those cases, extraction of an infected tooth ends a cycle of repeated flare-ups.

Is Infected Tooth Extraction More Painful Than a Routine One?

Not noticeably, provided the numbing works. Your dentist starts only once the area is completely numb. What you feel is firm pressure and some pushing, not sharp pain. If anything feels sharp, raise a hand and more anaesthetic will follow. Afterwards, expect two or three days of soreness that ordinary painkillers usually control.

The chemistry behind stubborn numbness

Inflamed tissue is more acidic, and that acidity reduces how much anaesthetic reaches the nerve. As a result, numbness can take longer to set in or feel less deep. Your dentist may then switch technique or top up the dose within safe limits. Occasionally it is kinder to drain the abscess first and schedule infected tooth extraction later. Our tooth extraction page explains each step.

If you feel more than pressure

Say so straight away rather than gripping the chair. A few minutes and an extra dose usually solve it.

What Happens if an Infected Tooth Is Left Untreated?

The infection does not go away on its own. Pain may fade if the nerve dies, but bacteria keep destroying bone around the root. Over time the abscess can spread into the jaw, cheek or neck. Prompt infected tooth extraction or root canal treatment stops that process early.

Easing the pain until your appointment

Call your dentist promptly: a prescribed antibiotic is the priority for an infected tooth. Until it works, painkillers alone may not fully control the pain. Ask a pharmacist which one suits you. A cold pack on the cheek for short spells can limit swelling. Never put a tablet on the gum, pop a swelling or apply heat to your face. For other causes of dental pain, see our toothache guide.

The First Week After Infected Tooth Extraction

Once the infection source is gone, throbbing usually eases within a few days. Some oozing on day one and mild swelling for two or three days are normal. If pus was present, the dentist may clean the socket and let it drain. Most people find that infected tooth extraction brings relief sooner than expected.

1. Bite firmly on the gauze pad for about 30 minutes.
2. Skip rinsing, spitting and straws for 24 hours to protect the clot.
3. Use a cold compress on the cheek, on and off, on day one.
4. Avoid smoking and vaping for a few days.
5. Eat soft, lukewarm food and chew on the other side.
6. Resume brushing the next day, avoiding the socket.
7. Finish any prescribed antibiotics as directed.

How to tell if healing is off track

Pain that flares two to five days after infected tooth extraction often signals dry socket. The clot has failed or broken down, and the ache may reach the ear. Dry socket is not an infection, so treatment means cleaning and a soothing dressing. By contrast, fever, spreading swelling or pus suggest a new infection and need a prompt review.

When to stop waiting and seek urgent help

Swelling that spreads to the eye, jaw or neck is a red flag. So are trouble swallowing or breathing, a locked jaw and a high temperature. In any of these cases, seek emergency care straight away.

Planning What Goes in the Gap

Most patients choose between a single tooth implant and a bridge. An implant replaces the root itself and leaves the neighbouring teeth untouched. A bridge, however, relies on crowning the teeth on either side of the gap. For a side-by-side comparison, read our guide to dental implants versus bridges.

Timing: immediate or delayed implant?

Sometimes the implant can go in on the day of extraction. That works when the infection stays limited and enough healthy bone remains. Your dentist then cleans the socket thoroughly before placing a same-day implant. With active pus or deep bone loss, though, letting the site heal first is safer. In short, implant timing depends on the examination, just like infected tooth extraction itself.