How to Care for Your Pet's Teeth at Home and When to See a Vet

Daily brushing is the single most effective thing you can do for your pet's teeth

Brushing your pet's teeth several times a week — ideally daily — removes plaque before it hardens into tartar, which only a vet can remove. Most vets recommend starting when your pet is young so they get used to the routine, but older pets can learn it too. You'll need a toothbrush designed for the pet's mouth size (human toothbrushes are too large and stiff) and toothpaste made for animals, which is safe to swallow since pets can't rinse and spit.

The technique matters more than speed. Angle the brush at 45 degrees where the tooth meets the gum, use gentle circular motions, and focus on the outer surfaces — that's where plaque builds up most. Most pets need only 30 seconds per side of the mouth. If your pet resists, start by letting them lick the toothpaste off your finger for a few days, then progress to touching the brush to their teeth without moving it, then to gentle brushing on just the front teeth. Patience in the first week usually pays off in compliance later.

Key Takeaways

• Brushing your pet's teeth several times a week removes plaque before it becomes tartar and prevents gum disease, which is the most common dental problem in pets.
• Use a pet-sized toothbrush and pet toothpaste, which is formulated to be safe if swallowed since pets cannot rinse their mouths.
• Dental treats, water additives, and special diets can help reduce plaque buildup but do not replace brushing.
• Professional cleaning by a vet requires anesthesia and costs between several hundred and over a thousand dollars depending on your pet's age and dental disease severity.
• Signs of dental disease — bad breath, swollen gums, loose teeth, or difficulty eating — mean your pet needs a vet exam, not just home care.

Dental treats and water additives work best alongside brushing, not instead of it

Dental chews and treats designed to reduce plaque can help, but they work only on the surfaces your pet chews. They don't reach the gum line where most disease starts, and they can't remove tartar that's already formed. Treats labeled for dental health usually work by mechanical action (the chewing itself) or by containing enzymes that slow plaque formation. Look for the Veterinary Oral Health Council (VOHC) seal, which means the product has been tested and shown to reduce plaque or tartar in controlled studies.

Water additives that claim to reduce plaque are less proven than chews. They work by adding antimicrobial ingredients to your pet's drinking water, but studies show mixed results — some show modest plaque reduction, others show none. They're inexpensive and harmless, so they can be part of a routine, but they shouldn't replace brushing. Special dental diets formulated with larger kibble or abrasive texture have the same limitation: they help a little, but only on surfaces the pet actively chews.

Professional cleaning requires anesthesia and happens on a vet's schedule, not yours

When tartar builds up below the gum line or your pet shows signs of gum disease, a vet will recommend professional cleaning. This is a procedure done under general anesthesia, which means your pet will be asleep and unable to move or feel discomfort. The vet uses an ultrasonic scaler to remove tartar above and below the gum line, then polishes the teeth. The whole appointment usually takes 30 minutes to two hours depending on how much buildup is present.

Anesthesia carries real risks, especially for older pets or those with heart, kidney, or liver disease. Your vet will do bloodwork beforehand to check organ function and may recommend additional monitoring during the procedure. The cost varies widely — from several hundred dollars in some areas to over $1,000 in others — depending on your pet's size, age, the severity of disease, and whether any teeth need extraction. Some pets need cleaning every one to two years; others go much longer if home care is consistent.

Bad breath, swollen gums, and difficulty eating are signs your pet needs a vet exam

Mild bad breath is normal in pets, but a sudden change or a strong fishy or rotten smell usually means bacteria are multiplying in the mouth. Swollen, red, or bleeding gums indicate gum disease. If your pet is drooling more than usual, dropping food while eating, chewing on only one side of the mouth, or showing reluctance to eat hard food, dental pain is likely the cause. These signs mean a vet should examine your pet's teeth, not just that you need to brush more at home.

Dental disease can spread beyond the mouth. Bacteria from infected teeth can enter the bloodstream and damage the heart, kidneys, and liver over time. Older pets and small breeds are at higher risk for both dental disease and these complications. If your pet has any of these warning signs, schedule a vet exam before the problem worsens and becomes more expensive to treat.

Puppies and kittens lose their baby teeth; adult teeth need care from the start

Puppies are born without teeth, get baby teeth starting around three weeks old, and begin losing them around three to five months. By six to seven months, most puppies have their full set of adult teeth. Kittens follow a similar timeline, with baby teeth appearing around two to three weeks and adult teeth coming in by five to six months. During the teething phase, puppies and kittens chew more to relieve sore gums — this is normal and will pass.

Once adult teeth are in, dental care matters immediately. Plaque starts forming within hours of eating, and the longer it sits, the faster it hardens into tartar. Starting a brushing routine when your pet is young makes the habit easier to maintain for life. If you wait until your pet is older or until dental disease shows up, both the pet and your wallet pay the price.

Breed, age, and genetics affect how quickly dental disease develops

Small dog breeds — particularly Chihuahuas, Yorkshire Terriers, and Dachshunds — develop dental disease earlier and more severely than large breeds. Their teeth are crowded into smaller jaws, which traps food and bacteria. Cats develop dental disease at different rates depending on genetics and diet, though it's less common in cats than in dogs overall. Older pets of any breed are more likely to have tartar buildup and gum disease simply because plaque has had more time to accumulate.

If your pet's breed or age puts them at higher risk, home care becomes even more important. Your vet can tell you whether your specific pet is likely to need professional cleaning more often. Some pets with excellent home care never need a cleaning; others need one every year or two regardless of brushing. Knowing your pet's risk helps you plan for costs and stay ahead of problems.

Frequently Asked Questions

Can I use human toothpaste on my pet?

No. Human toothpaste contains fluoride and other ingredients that are toxic if swallowed, and pets cannot rinse their mouths. Pet toothpaste is formulated to be safe when swallowed and usually tastes like meat or poultry to encourage cooperation. It's inexpensive and widely available at pet stores and online.

My pet hates having their mouth touched. Do I have to brush their teeth?

Brushing is the most effective option, but if your pet refuses after patient training, dental treats with the VOHC seal and a special dental diet can help reduce plaque buildup. These are not as effective as brushing, so your pet may need professional cleaning more often. Talk to your vet about the best combination for your pet's temperament and risk level.

How often should my pet have a professional cleaning?

This depends on your pet's age, breed, genetics, and how well home care works for them. Some pets never need one; others need one every one to two years. Your vet can examine your pet's teeth and recommend a schedule based on what they see. If your pet shows signs of gum disease, a cleaning becomes necessary rather than preventive.

Is anesthesia safe for older pets?

Anesthesia carries more risk in older pets, especially those with heart, kidney, or liver problems. Your vet will do bloodwork to assess organ function before the procedure and may recommend additional monitoring during anesthesia. The risk of leaving dental disease untreated — which can damage the heart and kidneys — often outweighs the risk of anesthesia, but your vet can help you weigh the specific situation.

What should I do if my pet loses a tooth?

A lost baby tooth during puppyhood or kittenhood is normal. A lost adult tooth is not normal and usually means gum disease or trauma. Schedule a vet exam to find out why the tooth was lost and whether other teeth are at risk. Early treatment of gum disease can prevent more teeth from being lost.