Kitten Losing Baby Teeth Background. Around 3 weeks old, her baby teeth start erupting through the gums. Cats begin losing their baby teeth at around 12 weeks or 3 months.
Although the timing varies between animals.
However, if there are a number of teeth missing once your kitten reaches nine or ten weeks, you may want to contact your vet to check everything is okay. Flickr/gossamer1013 what if my cat doesn't seem to lose his baby teeth? Eldredge, dvm, who practices in the utica, new york area. Your kitten is born without teeth.