When Do Puppies Lose The Baby Teeth. Puppies first develop their baby teeth also referred to as deciduous teeth or milk teeth at around 3 weeks and by 6 8 weeks your puppy will have his or her full set of milk teeth. If your puppy hasn t lost all his baby teeth by the time he s eight months or 30 weeks old a visit to the vet is a good idea to make sure there isn t a problem such as impaction.

Puppies start to lose their milk teeth when they re between 12 and 16 weeks old. So don t despair mother nature will soon work her magic and push those razor sharp teeth out. Expect lots of chewing and some teething pains when this process starts.
Once in a while an adult tooth will come in but the baby tooth in front of it doesn t fall out.
Due to the lack of room in the puppies mouths they won t have baby molar teeth. Formally known as deciduous teeth these primary choppers start falling out about the age of 4 months. Yes chihuahuas do lose their baby and milk teeth. Your puppy s baby teeth start coming in when he s only 3 weeks old about the time you can start offering him solid food.