Broken Tooth in Cats: Causes, Pain, and What to Do

Name: Broken Tooth in Cats: Causes, Pain, and What to Do
Creator: Dr. Zubair Khalid

By Dr. Zubair Khalid, DVM, MS, PhD · 2026-10-03

A broken tooth in cats mouth is a common and genuinely painful problem, and it will not heal on its own. Cats hide dental pain well, so the first clue is often a change in eating, grooming, or mood instead of an obvious crack you can see. This article is educational and is not a substitute for veterinary diagnosis or treatment.

Quick Answer

A fractured tooth in cats usually means the pulp (the nerve and blood supply inside the tooth) is exposed or the crown is weakened, and that hurts.
Cats rarely cry or stop eating right away, so watch for drooling, chewing on one side, dropping food, bad breath, or pawing at the mouth [1].
Any tooth with a visible pink or red spot, a missing chunk, or a dark hole needs a veterinary dental exam, not a wait-and-see approach.
Do not try to pull, file, or glue the tooth at home, and do not give human pain relievers, which can be toxic to cats.
Treatment is either a root canal to save the tooth or extraction, and both require anesthesia and pain control [2].

What a Broken Tooth Looks Like and What Is Normal

A cat grows 26 baby teeth, which appear around four weeks of age and are usually all in place by about six weeks. By roughly six months, those are replaced by 30 permanent teeth [3]. Those adult teeth are built for catching prey, tearing meat, and chewing, and they also serve for self-defense [3].

Normal teeth are smooth, off-white to slightly yellow, and fully intact. The gum line should be pink, not red, swollen, or bleeding. Mild tartar near the gum line is common, but a healthy mouth does not smell strongly.

A broken tooth can look like several different things:

A missing corner or chunk, often on a canine or a large cheek tooth
A jagged or sharp edge you can feel but not easily see
A dark spot or hole in the middle of the tooth, which often means the pulp is exposed
A pink or red dot in the center of the break, which is the pulp itself
A tooth that looks shorter than the matching tooth on the other side

Cats are good at hiding oral pain. In one six-month study of 64 cats, dental disease was widespread and pain was frequently missed on routine exam, which is why a hands-on veterinary check matters [4]. Signs linked to dental pain in that study included mouth discomfort, bad breath, increased salivation, and difficulty holding food or taking several attempts to pick it up [4].

What Causes Broken Teeth in Cats

The main causes of a fractured tooth in cats fall into a few groups. Trauma is the most dramatic, but wear and disease matter too.

Trauma. Falls, hits by a car, fights with another animal, or running into objects can crack or snap a tooth. In one study of jaw joint injuries in cats, the most common causes were altercations with a dog, being hit by a car, falls, and running into an object, and dental trauma often happened alongside those injuries [5].
Chewing hard objects. Bones, antlers, hard plastic, ice, and very hard toys can fracture teeth over time.
Tooth resorption. This is a common feline condition in which the tooth structure is eaten away from the inside or outside, leaving it weak and prone to breaking [4].
Periodontal disease. Infection and inflammation of the gums and the tissues that anchor the teeth can loosen and damage teeth. It is caused by bacteria building up at and below the gum line, and untreated disease can lead to tooth loss [6].
Age and wear. Years of chewing and grinding can leave teeth thin and brittle.

Here is a quick way to sort causes by urgency.

Cause	Typical clues	How urgent
Trauma (fall, car, fight)	Sudden break, blood, swelling, drooling, reluctance to eat	Emergency if there is bleeding, facial swelling, or a suspected jaw injury [5]
Chewing hard objects	Worn or chipped tips, often on canines	Routine dental visit, sooner if the pulp is exposed
Tooth resorption	Tooth looks eaten away, cat flinches when the area is touched	Prompt visit, this is painful and progressive [4]
Periodontal disease	Bad breath, red gums, tartar, loose teeth, dropping food	Prompt visit, infection spreads below the gum line [6]
Unknown or gradual	Subtle changes in chewing, one-sided eating	Routine visit with a full oral exam

Does a Broken Tooth Hurt a Cat?

Yes, in most cases it hurts, and often more than owners expect. When a tooth fractures deeply enough to expose the pulp, the nerve is open to air, food, and bacteria. That causes sharp pain at first and can progress to infection of the tooth root.

Cats are wired to hide weakness, so pain often shows up as behavior instead of crying. Watch for:

Chewing on one side or tilting the head while eating
Dropping food or refusing hard kibble while still eating soft food
Pawing at the mouth or rubbing the face
Drooling, sometimes with blood-tinged saliva [1]
Bad breath [1]
Grinding or chattering the teeth
Pulling away when you touch the head or mouth
Reduced grooming, hiding, or irritability

Inflammation in the mouth can also cause loss of appetite, and pain may make a cat resist any attempt to examine the area [1]. Enlarged lymph nodes in the region can occur with oral inflammation [1].

Red Flags That Make It an Emergency

Some mouth injuries are not a "book an appointment" problem. Get emergency care now if you see:

Heavy or nonstop bleeding from the mouth
Facial swelling, especially around one eye or the cheek
The eye looks bulging, cloudy, or the cat cannot see well
The jaw hangs open, is crooked, or will not close normally
The cat cannot swallow, is choking, or is breathing with effort
A suspected hit by a car, fall from height, or dog attack, even if the mouth looks minor
Collapse, confusion, or a seizure

Head trauma in cats often comes with dental and jaw injuries, so any cat with head trauma needs to be stabilized and examined thoroughly [5]. Dental procedures themselves are usually routine, but complications can be severe when they happen, including spread of infection to the eye and brain after extraction in rare cases [7]. That is one reason a full exam and imaging before treatment matter.

What You Can Safely Do at Home While You Wait

You cannot fix a broken tooth at home. What you can do is keep your cat comfortable and prevent the problem from getting worse.

Offer soft food. Wet food, pate, or kibble softened in warm water is easier to chew.
Keep the mouth clean-ish. Rinsing is not realistic in most cats, so skip it unless your veterinarian gives you a specific product and instructions.
Do not touch the broken tooth. Poking or probing can cause pain and push bacteria deeper.
Do not give human pain medicine. Ibuprofen, acetaminophen, aspirin, and similar drugs can be seriously toxic to cats. Your veterinarian will calculate any pain medication dose from your cat's weight and health.
Do not try to pull the tooth. A broken root can stay behind and cause infection.
Limit hard chews. Stop bones, antlers, ice, and hard plastic toys until your cat is seen.
Watch for worsening. If your cat stops eating, starts drooling heavily, or develops swelling, call your veterinarian right away.

If your cat has other chronic conditions, pain can be harder to spot. The article on Cat Kidney Disease: How to Tell If Your Cat Is in Pain explains how to read subtle discomfort in cats with ongoing illness.

What the Veterinarian Will Check and Test

Your veterinarian will start with a general exam and then look closely at the mouth. Many cats will not allow a full oral exam while awake, so a sedated or anesthetized exam is often needed. Anesthesia is a standard part of feline dentistry because it allows dental radiographs (X-rays) and proper treatment [2].

Expect some or all of the following:

Full oral exam. Checking every tooth, the gums, the tongue, and the back of the throat.
Dental radiographs. X-rays show the roots, the bone around the tooth, and whether the pulp is involved. They also reveal resorption and hidden fractures.
Probing and charting. Measuring gum pockets and checking for loose teeth.
Pain assessment. Your veterinarian may use a standardized pain scale to judge how much discomfort your cat is in [4].
Blood work. To check organ function before anesthesia, especially in older cats.
Advanced imaging. CT or other imaging may be used if a jaw injury or joint problem is suspected [5].

Treatment options usually come down to two paths:

Root canal therapy. This saves the tooth by removing the damaged pulp, cleaning the canal, and sealing it. It is most often done on important teeth like canines. It requires a specialist and follow-up. One case report described a complicated crown fracture with pulp exposure in a canine tooth that was treated with root canal therapy, and the procedure had to be staged because of bleeding in the canal [8].
Extraction. Removing the tooth is often the most practical choice, especially for teeth that are already infected, resorbing, or badly fractured. Most cats do well after extraction and can eat normally once healed.

Either way, pain control matters. Multimodal perioperative analgesia and anesthesia are standard features of feline oral and dental care [2]. Your veterinarian will choose drugs and doses based on your cat's weight and health.

If you are weighing the cost and scope of dental treatment, the guide on How To Treat Dental Disease In Cats walks through the options.

Prevention and Monitoring

You cannot prevent every broken tooth, but you can lower the odds.

Skip hard chews. No bones, antlers, hooves, ice, or rock-hard toys.
Brush teeth if your cat tolerates it. Daily brushing is the gold standard for reducing plaque below the gum line, which is where periodontal disease starts [6].
Use veterinary dental products. Look for products accepted for dental use, and ask your veterinarian what fits your cat.
Schedule regular dental checks. Professional cleaning under anesthesia treats plaque below the gum line, which home care cannot reach [6].
Watch for early signs. Bad breath, red gums, and tartar are early warnings. Catching them early can save teeth.
Keep up with wellness visits. Only about 10 percent of cats make it through life without some dental problem, so routine exams are your best early warning system [3].

For a step-by-step home routine, see Prevent Dental Problems In Cats and How To Prevent Dental Problems In Cats.

Limitations and When to Contact a Veterinarian

This article cannot tell you whether your cat's specific tooth is fractured, infected, or resorbing. That requires an exam and usually dental radiographs. Individual cases need a veterinarian.

Contact your veterinarian the same day if:

You can see a broken tooth with a pink, red, or dark center
Your cat is drooling, dropping food, or chewing on one side
Bad breath appeared or got worse
Your cat is pawing at the mouth or flinching when touched
Your cat is eating less but still eating

Go to an emergency clinic now if:

Bleeding from the mouth will not stop
There is facial or eye swelling
The jaw looks broken, crooked, or will not close
Your cat cannot eat or drink at all
There was a fall, car accident, or animal attack
Your cat is lethargic, confused, or having trouble breathing

If you are unsure, call your veterinarian and describe what you see. A phone call costs nothing and can prevent a small problem from becoming a serious one.

Frequently Asked Questions

Can a broken tooth in a cat heal on its own?

No, a fractured tooth does not heal on its own. The outer enamel does not regrow, and if the pulp is exposed, bacteria can travel into the root and cause infection. Without treatment, the tooth may die, abscess, or need extraction later.

How do I know if my cat's broken tooth is an emergency?

It is an emergency if there is heavy bleeding, facial or eye swelling, a jaw that looks broken, trouble breathing, or a recent trauma like a fall or car accident. A clean chip with no bleeding and a cat that is eating normally can usually wait for a routine dental visit, but call your veterinarian to be sure.

Will my cat need anesthesia for a broken tooth?

Yes, in almost all cases. A proper exam, dental radiographs, and treatment require anesthesia, and anesthesia is considered an essential part of feline dentistry [2]. Your veterinarian will run blood work first and tailor the anesthetic plan to your cat's age and health.

Is it better to save the tooth or pull it?

It depends on which tooth is broken and how badly. Root canal therapy can save a tooth, especially a canine, but it usually requires a specialist and may need staging [8]. Extraction is often simpler, cheaper, and very effective for teeth that are infected or resorbing. Your veterinarian will explain the trade-offs for your cat.

Can I give my cat pain medicine from my own cabinet?

No. Human pain relievers can be toxic to cats, and the wrong drug or dose can cause serious harm. Your veterinarian will calculate a safe dose from your cat's weight and health, and may prescribe a feline-specific medication. Until then, keep your cat comfortable with soft food and a quiet space.

References

Disorders of the Mouth in Cats - Cat Owners. Merck Veterinary Manual.
2025 FelineVMA feline oral health and dental care guidelines. Journal of feline medicine and surgery, 2025.
When Kitty Needs a Dentist. Cornell University College of Veterinary Medicine.
Dental Pain in Cats: A Prospective 6-Month Study. Journal of veterinary dentistry, 2022.
Etiology, clinical presentation, and outcome of temporomandibular joint luxation in cats: 21 cases (2000-2018). Frontiers in veterinary science, 2023.
Dental Disorders of Cats - Cat Owners. Merck Veterinary Manual.
Ascending bacterial optic neuritis and meningoencephalitis following tooth extraction in a cat. BMC veterinary research, 2025.
Complications of Intracanal Irrigation During Root Canal Therapy of a Maxillary Canine Tooth in a Cat. Journal of veterinary dentistry, 2025.