What to Do When a Tooth Breaks: Relief and Repair

If your tooth just broke, rinse your mouth gently with warm water, apply gauze to any bleeding, and call your dentist to get in as soon as possible. Most broken teeth can be repaired, but what you do in the first hour or two matters. A small chip might only need cosmetic bonding, while a deep fracture could require a crown or root canal. Here’s how to handle each step.

First Steps Right After the Break

Rinse your mouth with warm water to clear any debris. If the area is bleeding, press a piece of clean gauze or a damp paper towel against it and hold firm pressure for about 10 minutes. Apply a cold compress to your cheek near the broken tooth to reduce swelling, keeping it on for 15 to 20 minutes at a time.

If you can find the broken fragment, save it. Handle it by the outer surface only, not the raw edge where it snapped. Rinse it briefly with milk or your own saliva rather than tap water, since tap water can damage the cells that help with reattachment. Place the fragment in a small container of milk or saliva and bring it to your dental appointment. Fragments stored this way can sometimes be bonded back onto the tooth within a couple of hours.

For a tooth that’s been completely knocked out (not just chipped), the rules are even more specific: hold it by the crown, never the root, and try to place it back into the socket if you can. If it doesn’t seat fully, bite down gently on gauze to hold it in place. If you can’t get it back in, store it in milk or saliva and get to a dentist immediately.

Managing Pain Before Your Appointment

The American Dental Association recommends combining ibuprofen and acetaminophen for dental pain. The suggested dose is 400 mg of ibuprofen (two standard pills) taken alongside 500 mg of acetaminophen. This combination works better than either medication alone because they reduce pain through different pathways. Avoid aspirin, which can increase bleeding.

Don’t apply pain-relief gels directly to exposed tooth structure, as some can irritate the inner layers of the tooth. If the break left a sharp edge that’s cutting your tongue or cheek, cover it with a small piece of dental wax or sugar-free chewing gum as a temporary buffer.

Protecting the Tooth Until You See a Dentist

Over-the-counter temporary filling kits, available at most pharmacies, can cover an exposed area and reduce sensitivity. Roll a small ball of the filling material, press it into the damaged spot, and use a wet cotton swab to spread it against the walls of the tooth. Bite down a few times and grind gently side to side to check your bite. If it feels too high, remove some material before it hardens. Once it sets, you can eat on the other side of your mouth, but avoid sticky foods, hard candy, and chips, which will break down the temporary filling quickly.

Chew only on the opposite side. Stick to soft foods like yogurt, scrambled eggs, soup, and pasta. Avoid anything very hot or very cold, since a broken tooth with exposed inner layers will be sensitive to temperature changes. This temporary protection is a stopgap, not a fix. It buys you days, not weeks.

Types of Breaks and What They Mean

Not all breaks are equal. The depth and direction of the fracture determine how serious it is and what kind of repair you’ll need.

Craze lines are tiny, hairline cracks in the outer enamel. They’re painless and almost always cosmetic. Most adults have several, and they rarely need treatment.

Chipped or fractured cusps involve a piece breaking off the chewing surface, often near an existing filling. You’ll likely feel sharp pain when biting down and sensitivity to cold. These have a very good prognosis and are typically repaired with bonding or a crown.

Cracked teeth have a fracture that extends from the chewing surface down toward the root. Symptoms are highly variable. Some cracked teeth hurt only when you bite at certain angles, while others ache constantly. If the crack reaches the inner pulp (the living tissue inside the tooth), bacteria can enter and cause infection, which means a root canal becomes necessary. The prognosis for cracked teeth is less predictable than for simple chips.

Split teeth have fractured into two distinct segments that can be separated. This usually happens when a crack has been left untreated for a long time. A dentist may be able to save part of the tooth by removing one segment, but sometimes extraction is the only option.

How Dentists Repair Broken Teeth

Your dentist will choose a repair method based on how much tooth structure is missing and whether the inner pulp is exposed.

Dental bonding works well for small chips and minor cosmetic damage. A tooth-colored resin is applied to the tooth and hardened with a light. It’s the quickest and least expensive option, though it’s less durable than other repairs and can chip or stain over time.

Crowns are the standard fix for teeth with significant fractures, large areas of missing structure, or teeth that have already had root canal treatment. A crown covers the entire visible portion of the tooth and restores its strength. The average cost for a porcelain crown in the U.S. is around $1,750, with prices ranging from $800 to $3,500 depending on the material and whether it’s a front or back tooth. Same-day crowns, milled in the office, run from $1,000 to $3,500.

Root canals become necessary when the fracture extends into the pulp. The infected or damaged pulp is removed, and the tooth is sealed and then typically covered with a crown. Root canal treatment costs between $500 and $2,000 depending on which tooth is involved.

If the tooth is split beyond repair or the fracture extends vertically down the root, extraction followed by an implant or bridge is the likely path.

Signs of Infection to Watch For

A broken tooth is an open door for bacteria. Decay-related infections can take months to develop, but when a tooth is cracked or chipped, bacteria can reach the pulp much faster. The early signs of a developing abscess include throbbing pain that comes and goes, swelling around the tooth or in the gum nearby, and increased sensitivity to hot foods or drinks.

Left untreated for weeks or months, a dental abscess can spread to the jaw, neck, or even the brain. At that point, symptoms escalate to difficulty swallowing, trouble breathing, or an inability to open your mouth fully. A dental infection that spreads this far is a medical emergency. If you notice swelling that’s getting worse, a fever, or pain that over-the-counter medication can’t control, don’t wait for a scheduled appointment.

What Causes Teeth to Break

Teeth break from a combination of weakened structure and force. Large fillings hollow out a tooth’s internal support, making the remaining walls vulnerable. Habits like chewing ice, biting pen caps, or cracking nuts with your teeth create the kind of repetitive stress that leads to fractures. Grinding your teeth at night (bruxism) is one of the most common underlying causes, especially for cracks that seem to appear without any obvious injury.

Teeth also become more brittle with age as enamel wears thinner and the inner layers lose moisture. A tooth that has had a root canal is particularly fracture-prone because it no longer has a living blood supply keeping it hydrated. If you’ve had root canal treatment on a tooth that doesn’t have a crown, getting one placed is one of the most effective ways to prevent a future break.