9 Interesting Facts About Cat Teeth

Cat teeth play a major role in your pet’s overall health, but many cat owners know surprisingly little about them.

From baby teeth and hunting adaptations to dental disease and tooth brushing, understanding the basics of feline oral health can help keep your cat comfortable and healthy throughout their life.

Here are nine interesting facts about cat teeth every pet parent should know.

1. Cat Teeth and Human Teeth Have Similar Development Patterns

Despite looking very different, cat teeth and human teeth share a similar developmental process.

Both cats and humans are classified as diphyodont animals, meaning they develop two sets of teeth during their lifetime.

The first set consists of deciduous (baby) teeth, which are eventually replaced by a permanent set as the animal matures.

However, cats progress through this process much faster than humans.

"Cats are born without teeth, but their baby teeth start coming in when they’re about 2 weeks old," says Dr. Dan Carmichael, a board-certified veterinary dentist at NYC’s Animal Medical Center. "Then, the baby teeth start falling out at around 3 months to make room for the permanent teeth."

With proper dental care, a cat’s permanent teeth are designed to last throughout their life.

Bonus Fact: How Many Teeth Do Cats Have?

2. Cat Teeth Are Designed for Hunting

Cat teeth are specially designed for hunting, capturing, and tearing prey.

"The crown shapes of cat teeth reflect the function of a true carnivore," says Dr. Alexander Reiter, associate professor of dentistry and oral surgery and clinician educator at the University of Pennsylvania School of Veterinary Medicine in Philadelphia.

Unlike humans, whose teeth are adapted for grinding and chewing a wide variety of foods, a cat’s teeth are built to shear, slice, and tear through meat.

Their large canine teeth—commonly called fangs—are particularly effective at puncturing and gripping prey.

These powerful teeth are one reason cat bites can be surprisingly painful despite a cat’s relatively small size.

3. Different Cat Teeth Serve Different Purposes

Not all cat teeth are used for hunting—different teeth perform different jobs inside a cat’s mouth.

While a cat’s canine teeth are designed for catching and holding prey, the smaller incisors serve a very different purpose.

Incisors are the tiny teeth located between the large canine teeth at the front of the mouth. Although they are not particularly useful for hunting, they play an important role in grooming and handling small objects.

"They’re very helpful if a cat has to nibble at something," notes Dr. Carmichael.

According to Dr. Reiter, some cats also use their incisors to chew on their claws and remove loose nail fragments.

Cats may even use these small front teeth to scratch at itchy areas while grooming themselves.

Together, these behaviors demonstrate how specialized different types of cat teeth are for everyday feline activities beyond eating.

4. Cats Rarely Get Cavities

Cats do not typically develop cavities the same way humans do because of differences in their tooth structure and diet.

Human cavities, also known as dental caries, develop when bacteria feed on sugars and thrive in the pits and grooves of teeth designed for grinding food.

"Unlike humans and dogs, cats do not have occlusal tables [horizontal surfaces] on their molars; thus, they do not develop true carious lesions," explains Dr. Reiter.

Because cats lack these broad chewing surfaces, the bacteria responsible for cavities have fewer places to accumulate and cause damage.

Their carnivorous diet also contributes to the extremely low occurrence of dental caries in domestic cats.

In fact, true cavities have never been reported in modern domestic cats. The only documented evidence of feline cavities comes from a cat fossil dating back to the 13th century.

5. Cats Can Still Develop Serious Dental Problems

Although cats rarely develop cavities, they can still experience several serious dental diseases.

Like humans, cats can develop periodontal disease (gum disease), which damages the tissues that support the teeth. They can also suffer from gingivostomatitis, a severe and painful form of oral inflammation, as well as oral cancer.

Tooth Resorption Is Common in Cats

One of the most common dental problems seen in cats is a condition known as tooth resorption.

Tooth resorption occurs when structures within a tooth begin to break down and are gradually replaced with bone-like material.

"This can be quite painful for cats," says Dr. Carmichael.

Signs Can Be Difficult To Detect

Tooth resorption can be challenging to diagnose because symptoms are often subtle.

Signs may include:

• A visible hole in the tooth
• A small red spot along the gumline
• Other changes that may be difficult to detect without a veterinary dental examination

Treatment Often Requires Extraction

If tooth resorption is diagnosed, veterinarians commonly recommend removing the affected tooth to eliminate pain and prevent further damage.

Because cats often hide signs of discomfort, regular veterinary dental evaluations are important for detecting dental disease early.

6. Cats Often Hide Dental Pain

Cats are well known for hiding signs of dental pain, which can make oral health problems difficult to detect.

"Cats hide their pain," says Dr. Carmichael. "The most common symptom I see in cats with dental problems is no symptoms at all. It's up to pet owners and veterinarians to be on top of cats' dental issues and be proactive when looking for problems."

Because cats frequently mask discomfort, dental disease can progress significantly before obvious symptoms become noticeable.

Signs of Possible Dental Disease in Cats

Pet parents should watch for:

• Drooling
• Red or inflamed gums
• Changes in eating habits
• Difficulty chewing
• Changes in breath odor

Bad Breath Can Be a Warning Sign

According to Dr. Carmichael, oral health problems often create a distinctive odor.

"Oral health issues often have a distinct, rotten odor," Dr. Carmichael says. "A really fishy, rotten smell."

If you notice any of these signs, schedule a veterinary examination. Early detection can help identify dental disease before it becomes more painful or difficult to treat.

7. Cats Can Thrive After Tooth Extractions

Many cats continue to eat and live comfortably after having one or more teeth removed.

If your cat is diagnosed with a dental condition that requires tooth extraction, there is usually no reason to panic.

Cats are often able to eat wet food—and in many cases even dry food—without some or even all of their teeth. With appropriate veterinary care, they can continue to enjoy a long, healthy, and comfortable life.

"It's more important to have a healthy and a pain-free mouth than to have a mouth full of teeth," says Dr. Carmichael.

In fact, if your veterinarian recommends extracting a tooth, that tooth is often already causing significant pain or discomfort.

Removing diseased teeth can greatly improve a cat’s quality of life and overall comfort, even if it means they have fewer teeth afterward.

8. Dental Care Is Essential for Long-Term Health

Daily tooth brushing and regular veterinary dental exams are among the most effective ways to keep your cat's teeth clean and protect their oral health.

Both Dr. Reiter and Dr. Carmichael emphasize the importance of routine dental care because brushing helps prevent the buildup of bacteria that contribute to many common dental diseases.

Although brushing a cat’s teeth may seem challenging at first, many cats can learn to tolerate the process with patience, consistency, and positive reinforcement.

For the best results, introduce tooth brushing when your cat is still a kitten and maintain a regular routine between professional veterinary cleanings.

Don't Skip Annual Oral Exams

Regular dental evaluations are also an important part of preventive care.

"Also, cat owners should always ask that an oral examination be performed during annual wellness visits," notes Dr. Reiter.

Routine oral exams help identify dental disease early, often before obvious symptoms develop, allowing treatment to begin before problems become more severe.

9. Look for the VOHC Seal on Dental Products

When choosing dental products for your cat, one of the most trusted indicators of effectiveness is the Veterinary Oral Health Council (VOHC) Seal of Acceptance.

Cat owners looking for reliable information about feline oral health and dental products should consider reviewing resources provided by the Veterinary Oral Health Council.

"Any product featuring that VOHC seal has undergone rigorous scientific study and meets a high standard of efficacy," says Dr. Carmichael.