Kitten Teething and the Adult-Tooth Timeline

Kittens lose their baby teeth and grow in a full set of adult teeth between roughly three and seven months old. It's a normal, usually low-drama process, but knowing the rough timeline helps you tell ordinary teething discomfort from something that needs a vet's attention.

The timeline

Because kittens often swallow the tiny baby teeth they lose, don't be surprised if you never actually find one on the floor. It's normal either way.

What teething looks like day to day

Expect more chewing than usual, on furniture, cords, fingers, and anything within reach. Some kittens also drool a little more, paw at their mouth, or seem briefly less interested in hard kibble if their gums are tender.

Redirect the chewing rather than trying to eliminate it — a teething kitten that isn't given something appropriate to chew will find something inappropriate instead. Cool, textured chew toys can be soothing on sore gums, similar to how teething helps work for puppies.

What's normal vs. what's not

Retained baby teeth — where the adult tooth comes in but the baby tooth doesn't fall out — are common enough that they're often just noted and watched at a routine visit, but persistent retained teeth can need professional removal to prevent crowding and decay. Your vet is the one to make that call, usually at a regular check-up during this age window.

Feeding through the teething stretch

Some kittens go slightly softer on their preferences while teething, favoring wet food or softened kibble over crunching through dry food. That's normal and temporary. If appetite drops sharply or your kitten seems to be avoiding food altogether rather than just preferring a softer texture, that's worth a vet call — kittens can't afford to skip meals the way an adult cat sometimes can. More on feeding choices during this stage in kitten food vs. adult cat food.

How long to wait before worrying

A single day of picky eating, a few days of extra drool, or one soft-looking gum near an erupting tooth are all within the normal range and don't need a same-day call. Give ordinary teething symptoms about 48 hours to settle on their own. What shouldn't wait that long: a kitten refusing food entirely rather than just eating less, drooling enough to wet the fur under the chin, or one specific tooth or area of gum that looks worse day over day instead of better. Teething is a gradual, low-drama process — anything that's getting worse rather than passing is no longer "just teething."

For a shy or recently rescued kitten

A kitten who's naturally more sensitive to handling, or one with an unclear history, can be harder to check for teething problems simply because they resist having their mouth looked at. Don't force a full look if your kitten is struggling — instead watch indirect signs: how they're eating, whether they're chewing on one side, drooling, or pawing at the mouth. If something seems off but you can't get a good look yourself, that's a reasonable, low- stress reason for a vet visit on its own, rather than trying to force a home inspection on a kitten who isn't ready for it.

What happens if it's ignored

Retained baby teeth left unaddressed don't just resolve with more time once a kitten is past seven or eight months — a baby tooth still present alongside its adult replacement usually needs to stay flagged for your vet rather than assumed to be catching up late. Left long-term, retained teeth can trap food and plaque between the two teeth, contributing to earlier gum disease and misalignment as the adult tooth is pushed out of its normal position. This is also why letting a kitten "grow out of" heavy furniture or cord chewing without redirection during this stage tends to create an adult cat with an established chewing habit — the behavior that felt harmless on a kitten's small teeth doesn't disappear once the adult teeth (and the adult cat's jaw strength) are what's doing the chewing.

Starting a dental routine

Once the adult teeth are mostly in, around six to seven months, it's a sensible time to introduce toothbrushing as a habit, using a cat-safe toothpaste rather than human toothpaste, which isn't safe for cats to swallow. Building tolerance for having a finger or soft brush near the mouth earlier — the same gradual approach covered in handling a kitten for vet visits and grooming — makes the actual brushing habit far easier to start once the adult teeth have settled in.

What to do next

Expect more chewing for a few months, offer appropriate things to chew, and don't worry about the odd tooth you find or never find. Mention any retained baby teeth to your vet at the next scheduled visit, and start light dental handling practice before the adult teeth are even fully in, so brushing isn't a brand-new idea by the time it's actually useful.