When Will Puppies Lose Their Teeth. Most puppies start to lose their baby teeth at this age and you may notice little teeth around the home. By the time your dog is about 6 months old he or she should have all 48 adult teeth.

The teeth give way to the permanent adult teeth and because this process can be painful for your puppies they ll need extra attention and care. A vet visit may also be necessary so you re certain that your pup s mouth is as it should be. They won t have back molars because they are relying on their mother s milk at that point.
Puppies start to lose their milk teeth when they re between 12 and 16 weeks old.
By the time your dog is about 6 months old he or she should have all 48 adult teeth. Owners usually notice the tiny teeth falling out as the puppy chews on toys the baby teeth and being pushed up and out by the larger adult teeth. When do chihuahua puppies lose their baby teeth. These teeth sometimes known as milk teeth or needle teeth and referred to as deciduous teeth by vets eventually give way to permanent adult teeth.