What counts as an orthodontic emergency, and what can wait for the next visit?

Five signs that call for emergency care, in the AAO’s words

The American Association of Orthodontists (AAO) names five signs that go straight to emergency care. For each one, the AAO’s emergency page of February 16, 2026 tells readers to “Seek emergency care immediately (call 911 or go to an emergency room or urgent dental clinic)”:

• “Heavy or continuous bleeding from the mouth or face.”
• “Difficulty breathing or swallowing.”
• “A suspected broken or dislocated jaw”
• “A permanent tooth that is knocked out, pushed deep into the gums, or moved dramatically out of position.”
• “Sudden, severe pain with facial swelling, fever, or signs of infection.”

None of the five is about the appliance, so braces, an aligner or a retainer in the mouth does not change that instruction. Gums that swell have a lower threshold of their own for prompt attention in the AAO’s guidance, which the answer on swollen gums with braces walks through.

What can wait for the next visit, and who decides

Most problems with braces, aligners and retainers are not among the AAO’s five emergency signs. The AAO’s own summary is “Most orthodontic problems are uncomfortable but not dangerous.”

Not dangerous can still mean a call. The AAO says, “It’s important to let your orthodontist know immediately about any urgent orthodontic problems that occur, such as broken brackets or loose wires,” because such a problem “can potentially interfere with your treatment.”

What can wait is the repair, and the orthodontist decides that. The AAO says, “Your orthodontist may recommend that you come in immediately to correct the issue to minimize the chance your treatment will get behind schedule.” Otherwise, a home step holds the problem until the next appointment. Soreness after new braces or an adjustment gets home care in the AAO’s guidance: soft foods, orthodontic wax where something rubs, and nonprescription pain relievers as a medical provider or the package directs.

Home steps for a wire that pokes, a bracket that slides or a band that loosens

For braces problems short of the AAO’s five emergency signs, the AAO gives steps to take at home. They work on the parts of braces the braces page describes: the archwire, the metal bands on select back teeth, and each bracket, the small attachment bonded to a tooth that the glossary entry for bracket defines.

The AAO glossary says orthodontic wax goes on brackets or archwires so that they do not irritate the lips or cheeks, and the AAO’s 2023 living page suggests keeping orthodontic wax and over the counter pain relievers on hand. For soreness or irritation in the mouth, the AAO also suggests a warm salt water rinse.

A lost or cracked aligner: the AAO’s instruction

For a lost or damaged aligner, the AAO’s instruction is a call. Its article on clear aligner therapy, dated June 17, 2024, says, “If you should lose or damage an aligner, contact your orthodontist immediately for advice.”

For an aligner that is cracked, warped or no longer fits, the same AAO emergency page says not to keep wearing one that is sharp, painful or badly distorted, that the orthodontist may advise wearing the previous aligner for a time if it still fits comfortably, and to see the orthodontist as soon as possible for a replacement.

The reason is order: the AAO’s FAQ says aligners are worn in a particular sequence, so the next tray, and whether the loss adds time to treatment, are the orthodontist’s to judge.

Prevention starts when the aligner comes out of the mouth. The same article says, “When you remove your aligners, make it a habit to slip them into their case,” and not to leave them in napkins, pockets or purses, or near pets. The full routine is on the page about clear aligner treatment.

A loose fixed-retainer wire, or a retainer that no longer fits

A fixed retainer is a thin wire bonded behind the teeth, and “permanent” is only its nickname: the AAO says fixed retainers can still break or become dislodged, and its instruction is direct: “If you notice that your fixed retainer is damaged, notify your orthodontist immediately, as the teeth can begin to shift.”

A removable retainer that has stopped fitting gets a call and one warning, from the AAO’s guidance of October 21, 2026: “Do not force an old retainer onto your teeth if it no longer fits normally.” The retainers page explains why a fit changes.

For a cracked clear retainer, the AAO’s 2025 cleaning guide says, “If you notice cracks or loose wires, stop wearing your retainer immediately,” and the AAO says a lost or damaged retainer should be replaced as soon as possible to prevent unwanted tooth movement.

A blow to the mouth with braces, aligners or a retainer in

Injury is where an appliance problem can become an emergency. The AAO says, “A small number, especially those involving injury to the teeth, mouth, or face, need urgent attention from a dentist, orthodontist, or even an emergency room.” For a suspected broken jaw, heavy bleeding or a knocked-out permanent tooth after a hit, its instruction is emergency care immediately.

Short of those signs, a bracket or wire knocked loose by the same hit is an urgent orthodontic problem to report to the orthodontist. For sport, the AAO’s protective step is a mouthguard: it says a properly fitted one helps protect the teeth and the orthodontic appliances during contact sports or activities with a risk of impact, and the answer on playing sports with braces or aligners takes it from there.

Reaching Kunik Orthodontics about a broken appliance

The AAO’s advice for reaching the office is to call, send a message through the office portal if there is one, or follow the after-hours instructions on the office voicemail, and to say what is wrong: “Explain what happened and what you are feeling.”

After hours, the practice’s own instruction is this: If you call our regular phone number after hours, you will hear the phone number of the person on call.

For any of the five emergency signs, the AAO’s instruction is emergency care first, not a message to the office.

For anything that can wait for office hours, call the office you visit. More everyday answers sit together on the questions page.