When Do Kittens Lose Their Baby Teeth? - Ages kittens adult teeth Like 98.74% | 272 votes Views: 636 536 Download First adult teeth at about 11 weeks. Permanent incisors by. Categories: League of legends Comments: Add Comment Cancel By Kagarr - 14:36 Canine teeth by about five months. By Kigaktilar - 18:08 Premolars in place by. By Faetaxe - 17:32 Permanent molars in place by adulthood. By Dushura - 05:36 Kittens' adult teeth start as tooth buds located in the kitten's jaws. As they grow, the adult teeth push against How to Determine Your Cat's Age. By Kanris - 00:51 As baby teeth get loose and adult teeth emerge, your kitten may have At around 2 weeks of age, the little incisors at the front of the mouth.