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Is It a Dental Emergency? When to Call a Dentist and When to Go to the ER

By Dental Associates of Lodi

6 min read

A dental examination in progress at the Lodi office.
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When a tooth breaks, starts throbbing or gets knocked out, the question that needs answering first usually isn't what exactly is wrong — it's where to go. This article covers the situations the evidence sends to a hospital emergency room, what an emergency room can and can't do for a tooth, what the evidence supports doing about a knocked-out tooth, bleeding and swelling while you arrange care, pain relief in the meantime, and how to get an answer when you genuinely can't tell. It gives the immediate steps the evidence supports while you sort out where to go, rather than the full first-aid sequence for each situation: those first-aid steps for each situation are set out separately. The clinical statements below carry links to the sources they come from.

When the emergency room is the right place

Go to the nearest emergency room in these situations:

  • A tooth abscess that comes with a fever of 100.4°F (38°C) or higher, confusion, difficulty swallowing, an elevated heart rate or facial swelling (Cleveland Clinic).

  • Broken facial bones — for more serious injuries such as these, go directly to the emergency room (Cleveland Clinic).

  • Severe pain, or bleeding that won't stop, when your dentist isn't available (Cleveland Clinic).

What an emergency room can and can't do for a tooth

Emergency-room providers can give medications such as antibiotics or pain relievers, but they don't perform restorative treatments such as fillings or crowns, so you'll still need to see a dentist (Cleveland Clinic). For most dental emergencies — a broken or knocked-out tooth, for example — the dentist treats you in the office (Cleveland Clinic). If that is where you are headed, here is what to expect at an emergency visit.

A tooth that has been knocked out

Pick a knocked-out permanent tooth up by the crown — the white part — and avoid touching the root (International Association of Dental Traumatology). Holding it that way, try to place it back in its socket (American Dental Association). If that isn't possible, keep the tooth moist, in milk, saliva or saline (International Association of Dental Traumatology).

Time matters from the moment the tooth comes out: the root surface starts to dry in a matter of a few minutes, and after 30 minutes of dry time most of the root's periodontal ligament cells are non-viable (International Association of Dental Traumatology). Cleveland Clinic gives a second figure: your dentist has the best chance of saving a knocked-out tooth when it is returned to its socket within one hour (Cleveland Clinic).

A knocked-out baby tooth is the exception: it should not be put back. The guideline's reasons include possible further damage to the developing permanent tooth and, most importantly, the risk of the child inhaling the tooth (International Association of Dental Traumatology).

Bleeding that won't stop

For bleeding from the lips, tongue, cheeks or gums, apply pressure to the bleeding site with moistened gauze — or a caffeinated tea bag — and hold it for 15 to 20 minutes. If the bleeding doesn't stop, see a dentist right away (Cleveland Clinic). If your dentist isn't available, go to your nearest emergency room (Cleveland Clinic).

Swelling, fever and an abscess

A tooth abscess won't go away on its own. The pain may stop if the infection causes the pulp inside the tooth to die, while the bacteria keep spreading, so care is still needed (Cleveland Clinic).

If an abscess comes with any of the emergency-room warning signs listed above, follow the ER guidance at the top of this article instead.

Antibiotics may help, but they won't get rid of the cause of the infection — the affected tooth (Cleveland Clinic). The American Dental Association's guideline speaks to treatment rather than to where you should go: for most conditions of this kind in adults who are not severely immunocompromised, it recommends dental treatment rather than antibiotics, with antibiotics if there are systemic signs such as fever or malaise (American Dental Association).

If the trouble turns out to be inside the tooth, two other articles pick it up from there: signs the problem is inside the tooth and what a root canal involves.

Easing the pain while you arrange care

These are temporary measures while you arrange care. If what you have matches one of the emergency-room situations above, follow that route instead.

Over-the-counter pain relievers such as acetaminophen, naproxen or ibuprofen can be taken for dental pain (Cleveland Clinic).

The American Dental Association's announcement of its 2024 guideline on acute dental pain says that NSAIDs such as ibuprofen, taken alone or along with acetaminophen, are recommended as first-line treatments for short-term dental pain in adults and adolescents aged 12 or older (American Dental Association).

What you shouldn't do is put aspirin, or another painkiller, directly on the gum or tooth; it can burn the tissue (Cleveland Clinic).

Rinse your mouth with warm water instead, and if your mouth is swollen, apply a cold compress to the outside of your mouth or cheek (Cleveland Clinic). After a soft-tissue injury, a cold compress held to the outside of the mouth or cheek for five to 10 minutes can control bleeding and relieve pain (Cleveland Clinic).

If you're not sure, call and describe it

Plenty of tooth problems don't match anything above. Where the evidence routes a situation, this article says so; what it doesn't hand you is a list of problems that are fine to leave for another week, because that judgement depends on what is actually happening in your mouth.

Dental Associates of Lodi is at 147 Main St, 2nd Floor, Lodi, NJ 07644, and the number is 862-247-8030. Same-day emergency appointments are available Monday through Thursday, from 9 a.m. to 3 p.m. There is more about emergency dental care in Lodi if you want it before you call.

When the office is closed, the emergency-room guidance above still applies. The bleeding section and the time-critical knocked-out-tooth section also still apply. For other dental emergencies, the practice's instruction is to book the next available date or find another provider.

Cost is usually the next question, and the site sets out how we handle insurance and payment: insurance verified before treatment, claims filed, a list of PPO plans, and CareCredit and payment plans. If the call ends with nothing urgent, you can book a regular appointment or use the virtual consultation.

Whatever it turns out to be, describing what's actually happening to a dentist is what settles where you should go.

Every source cited above is listed in full below.

Sources

  • Cleveland Clinic. "Dental Emergencies: What To Do ("What Is a Dental Emergency and Where To Go for Care")." Updated 2022-09-15. https://my.clevelandclinic.org/health/articles/11368--dental-emergencies-what-to-do
  • Cleveland Clinic. "Abscessed Tooth (Tooth Abscess: Symptoms, Causes & Treatment)." Updated 2026-01-22. https://my.clevelandclinic.org/health/diseases/10943-abscessed-tooth
  • Cleveland Clinic. "Dental Trauma (Dental Injuries)." Updated 2023-12-04. https://my.clevelandclinic.org/health/diseases/16916-dental-injuries
  • International Association of Dental Traumatology (endorsed by the American Academy of Pediatric Dentistry). "International Association of Dental Traumatology Guidelines for the Management of Traumatic Dental Injuries: 2. Avulsion of Permanent Teeth (AAPD Reference Manual endorsement reprint; Dental Traumatology 2020;36(4):331-342, doi 10.1111/edt.12573)." Published 2020. https://www.aapd.org/media/policies_guidelines/e_avulsion.pdf
  • International Association of Dental Traumatology (endorsed by the American Academy of Pediatric Dentistry). "International Association of Dental Traumatology Guidelines for the Management of Traumatic Dental Injuries: 3. Injuries in the Primary Dentition (AAPD Reference Manual endorsement reprint; Dental Traumatology 2020;36(4):343-359, doi 10.1111/edt.12576)." Published 2020. https://www.aapd.org/globalassets/media/policies_guidelines/e_iadt-injuries25.pdf
  • American Dental Association. "New Guideline Details Acute Pain Management Strategies for Adolescent, Adult Dental Patients." Published 2024-02-05. https://www.ada.org/about/press-releases/new-guideline-details-acute-pain-management-strategies-for-adolescent-adult-dental-patients
  • American Dental Association. "Antibiotics for Dental Pain and Swelling Guideline (2019)." Published 2019. https://www.ada.org/resources/research/science/evidence-based-dental-research/antibiotics-for-dental-pain-and-swelling
  • American Dental Association (MouthHealthy). "Dental Emergencies." https://www.mouthhealthy.org/all-topics-a-z/dental-emergencies

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