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Tartar and bad breath in cats: how to keep your cat's teeth healthy

, by Michael van Wassem, 5 min reading time

Daily brushing, a yearly check-up and the vet when needed: how to keep your cat's teeth healthy and get your cat used to brushing step by step.

A cat with bad breath, who eats more softly or suddenly leaves kibble behind: sometimes the teeth are the cause. Cats hide pain well, so gum disease often goes unnoticed for a long time. Below you can read what you can do at home, what only the vet can do, and how to get a cat used to brushing step by step.

Short answer

You keep your cat's teeth healthy with daily brushing, a dental check at the vet and, if needed, a professional dental cleaning. Dental snacks, powders and gels can help, but they do not replace brushing. Tartar that is already firmly attached cannot be removed at home: the vet does this under anaesthetic.

Why a cat's teeth need attention

A thin layer of bacteria, called plaque, forms on the teeth every day. If it is not removed, it hardens into tartar. The gums become irritated and inflamed, and at a later stage the jaw bone can also be affected. According to the WSAVA (the global veterinary association), dental disease is one of the most common health problems in cats.

Cats can also develop tooth resorption lesions: painful spots where tooth tissue is broken down. You usually cannot see them with the naked eye. The vet finds them with a dental examination and X-rays.

Signs that something may be wrong

  • breath that keeps smelling unpleasant
  • red or swollen gums, or a yellow or brown layer along the gum line
  • drooling or pawing at the mouth
  • dropping food, chewing on one side or leaving hard kibble
  • a poorly groomed coat or shying away when you touch the head

⚠️ Call the vet if you see blood from the mouth, a swollen head or cheek, or if your cat hardly eats for a day or two. Do not wait and see in that case.

Brushing: how to get your cat used to it step by step

Brushing is the best way to remove plaque before it turns into tartar. Always use toothpaste made for cats. Human toothpaste is not meant to be swallowed and can contain ingredients that are not suitable for animals.

  1. Day 1 to 3: let your cat lick a little cat toothpaste from your finger. Give a reward afterwards.
  2. Week 1: run your finger along the outside of the teeth and gums for a few seconds.
  3. Week 2: alternate your finger with a finger toothbrush or a cloth.
  4. From week 3: use a soft cat toothbrush. Brush the outside of the teeth in small circles. The inside is not necessary: the tongue partly keeps it clean.

Keep sessions short, stop before your cat protests and never force it. Daily is ideal, but a few times a week is better than nothing.

Brushing does not work? These are the alternatives

OptionWhat it doesWatch out
Dental kibble and snacksChewing can partly reduce plaque mechanicallyCount the calories; does not replace brushing
Dental powder over the foodIntended to help reduce plaque without brushingA supplement, not a replacement
Gels and spraysManufacturers aim them at oral hygiene and fresh breathEvidence differs per product
Chew toysEnrichmentLittle evidence of an effect on tartar

💡 Look for the seal of the Veterinary Oral Health Council (VOHC) on products. It is given to products for which the manufacturer has shown, using a set protocol, that they reduce plaque or tartar.

Myth: feeding only dry food does not keep the teeth clean by itself. Ordinary kibble often breaks apart quickly and hardly reaches the gum line.

The vet and dental cleaning

Have the teeth checked at least once a year, and more often for older cats. A thorough cleaning is done under anaesthetic, so that the vet can also look under the gum line and take X-rays if needed. The WSAVA advises against dental cleaning without anaesthetic, because the areas under the gum line cannot be properly assessed and treated that way.

Common mistakes

  • Using human toothpaste.
  • Waiting until the breath smells before doing anything.
  • Wanting too much at once: start with licking paste, not with brushing.
  • Thinking a snack replaces brushing.
  • Trying to scrape off tartar at home.

Checklist

  • Cat toothpaste and a soft brush or finger brush at home
  • Short, regular brushing moments with a reward afterwards
  • Dental check once a year
  • Contact the vet straight away if you see signs of pain

Frequently asked questions

How often should I brush my cat's teeth?

Daily is ideal. If that is not possible, a few times a week is still better than not brushing.

From what age can I start?

The younger, the easier the getting used to it. With a kitten, start by touching the mouth and let it get used to this calmly.

Is bad breath normal in cats?

No. Persistent bad breath can point to a dental problem or another condition. Have the vet take a look.

Is anaesthetic for a dental cleaning dangerous?

Every anaesthetic carries a small risk. The vet weighs this against the risks of untreated dental disease and can run tests beforehand, especially for older cats.

Summary

  • Plaque turns into tartar; brushing prevents this.
  • Only use toothpaste for cats and build up brushing calmly.
  • Snacks, powders and gels are a supplement, not a replacement.
  • Only the vet treats tartar and tooth resorption.

Conclusion

Healthy cat teeth start at home with a small, regular routine and end at the vet when needed. Start slowly, reward generously and ask your vet for advice if you are unsure.

Sources

  • WSAVA Global Dental Guidelines (World Small Animal Veterinary Association)
  • Veterinary Oral Health Council (VOHC)
  • Faculty of Veterinary Medicine, Utrecht University: information on dental disease in cats

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