Is it bad if I don't brush my cat's teeth? - The Environmental Literacy Council (2025)

Yes, it is definitely bad for your cat’s health if you don’t brush their teeth. Neglecting your feline friend’s dental hygiene can lead to a cascade of serious health issues. Unlike their wild counterparts who naturally maintain oral health by consuming bones and raw prey, domestic cats rely on us to keep their teeth clean. Without regular brushing, your cat is highly susceptible to developing dental disease, which can progress from uncomfortable to outright painful and even affect their overall well-being. This isn’t simply about bad breath; it’s about a health issue that can impact your cat’s entire body.

The Progression of Dental Disease in Cats

Plaque and Tartar Buildup

The trouble starts with plaque. This sticky film of bacteria constantly forms on your cat’s teeth. If this plaque isn’t removed through regular brushing, it will harden into tartar (also known as calculus). Tartar is rough and porous, providing an ideal surface for even more bacteria to accumulate.

Gingivitis and Periodontal Disease

This buildup irritates the gums, causing gingivitis. You might notice signs like red, swollen, or bleeding gums. If left untreated, gingivitis can progress to periodontal disease, a much more serious condition that affects not just the gums but also the underlying structures of the teeth, including the ligaments and bone. This can be extremely painful for your cat and can ultimately lead to tooth loss.

Systemic Health Risks

Beyond the mouth, dental disease can have far-reaching consequences. The bacteria involved in these dental issues can enter the bloodstream and travel to other organs, potentially leading to infections and complications in the kidneys, heart, lungs, and liver. This makes dental care for cats not just a matter of oral hygiene, but a crucial aspect of their overall health and longevity.

Why Brushing is Essential

Regular teeth brushing is the most effective way to remove plaque and prevent the formation of tartar. While some cats may not be thrilled with the idea at first, establishing a routine can help ensure your cat lives a healthier and more comfortable life.

FAQs About Cat Dental Health

1. What happens if you don’t brush your cat’s teeth?

If you don’t brush your cat’s teeth, plaque will accumulate and harden into tartar. This can lead to gingivitis, periodontal disease, pain, tooth loss, and potentially systemic infections affecting other organs.

2. Is it too late to start brushing my cat’s teeth?

No, it’s never too late to start brushing your cat’s teeth! However, it’s a good idea to get your cat checked by a vet first to ensure they don’t have any underlying dental issues causing pain, which can make the training process more difficult.

3. What percentage of cat owners actually brush their cat’s teeth?

Unfortunately, most cat owners don’t brush their cat’s teeth regularly. Approximately 73% of cat owners never brush their cat’s teeth, and only a small percentage do it daily or a few times a week.

4. How do cats clean their teeth in the wild?

In the wild, cats naturally clean their teeth by gnawing and crunching on bones and raw prey. The abrasive action of these materials helps to scrape away plaque. This contrasts sharply with the soft texture of kibble and canned food, which are not as effective at cleaning teeth.

5. At what age do cats start to get bad teeth?

Studies show that 50% to 90% of cats over four years old suffer from some form of dental disease. This highlights the importance of starting preventive dental care early in a cat’s life.

6. How can I keep my cat’s teeth clean without brushing?

While brushing is most effective, you can use dental care gels or sprays which can be applied to your cat’s teeth and gums using your finger or a swab. These products work by reducing bacterial film on the teeth. Certain dental treats and dental kibble can also provide some benefit. However, these are not a substitute for brushing.

7. Can I brush my cat’s teeth with my finger?

Yes, you can wrap a piece of gauze around your finger and gently rub it against your cat’s teeth. This method can help remove plaque, especially if your cat isn’t initially comfortable with a toothbrush. Even doing this without toothpaste can be beneficial.

8. How do you brush a cat’s teeth easily?

Start slowly. Introduce the toothbrush gradually by letting your cat sniff it and lick the toothpaste. Use positive reinforcement, like praise and treats. Be patient and make it a positive experience. Work your way up to brushing all teeth, focusing first on the outer surfaces.

9. Do indoor cats need their teeth cleaned?

Yes, indoor cats are just as susceptible to dental disease as outdoor cats. In fact, it’s essential to care for their teeth as their diet lacks the natural cleaning action of a raw, bone-in diet. Both at-home care and professional cleanings are important.

10. Can I use human toothpaste for my cat?

Never use human toothpaste on your cat. Human toothpaste contains ingredients that are toxic to cats, such as xylitol. Always use toothpaste specifically formulated for pets, as these are safe to swallow and often flavored to appeal to cats.

11. Do cat dental toys really work?

Dental toys can be a helpful addition to your cat’s dental routine, as they can encourage chewing which helps remove plaque. However, they are not a substitute for brushing and professional dental care.

12. Why is cat dental work so expensive?

Cat dental work often includes more than just a cleaning. It can involve anesthesia, x-rays, extractions, and even oral surgery. These procedures require specialized training, monitoring, and equipment, which significantly increase the cost. It’s more complex than human dental work in many instances.

13. Do Greenies really work for cats?

Greenies for cats are an effective and VOHC-approved dental treat, meaning they have demonstrated effectiveness in reducing tartar buildup. They provide a crunchy texture that can help clean teeth and are an excellent supplement to regular dental care, not a replacement.

14. At what age should I get my cat’s teeth professionally cleaned?

It is generally recommended that cats have their first professional dental cleaning by the age of one year. After the first cleaning, annual checkups and cleanings are recommended to ensure their dental health is maintained. Some breeds or individuals may need more frequent cleanings.

15. Does bad breath mean my cat has dental issues?

While occasional bad breath can be normal (especially after your cat has eaten strong-smelling food), consistent bad breath is a major sign of underlying dental problems and should be checked by a vet. It’s important not to ignore this sign.

Conclusion

Neglecting your cat’s dental health can have serious consequences, ranging from discomfort and pain to more significant health issues impacting their vital organs. While brushing may seem challenging, starting early and consistently is key to preventing dental disease. By understanding the risks and taking proactive steps to care for your cat’s teeth, you’re investing in their overall health and longevity. Don’t underestimate the power of good oral hygiene—it’s an essential part of responsible cat ownership. If you’re concerned about your cat’s dental health, always consult with your veterinarian for professional guidance.