Do dogs lose teeth? Similar to human babies, newborn dogs are born toothless. They also undergo the teething process, and these baby teeth will also get lost, and adult teeth will arrive. Once your dog has a set of permanent teeth, taking care of them is essential to keep them healthy and strong. So, if your dog loses their teeth, they can also get dentures like people’s dental treatment option. Keep reading to learn about dog’s teeth development and the common reasons for them to lose their pearly whites.