How old is a Teddy puppy? Generally speaking, around 20 days after birth, the teeth of a Teddy puppy will gradually grow unevenly; by 30-40 days, its deciduous incisors will They will gradually grow together; when they are 4 months old, the first deciduous incisors will be replaced; when they are 8 months old, all the teeth will be replaced by permanent teeth; when Teddy puppies are 1 year old, their permanent teeth will grow together.

Judging the specific age of a pet dog can be judged by the specific condition of the teeth. This method can also be used to determine the age of Teddy puppies. As the age of Teddy puppies changes, the growth and wear degree of the teeth will also appear in different states. We can judge the age of Teddy puppies through the changes in teeth.

Generally speaking, the teeth of a Teddy puppy will gradually grow unevenly around 20 days after birth; by 30-40 days, its deciduous incisors will gradually grow in straight;< /p>

At the age of 2 months, all the deciduous teeth will have grown in, and the teeth will be thin and white;

At 4 months of age, the first deciduous incisor will be replaced;

Replace the second and third deciduous incisors and all deciduous canines at 5-6 months of age;

At the age of 8 months, all the teeth are replaced by permanent teeth; when the Teddy puppy is 1 year old, the permanent teeth are all long, smooth and strong, and there are sharp protrusions on the upper part of the incisors.

At the age of 1.5 years, the peak of the mandibular first incisor disappeared;

The peak of the maxillary first incisor disappears at the age of 3.5 years;

At the age of 5, the peak of the third mandibular incisor was slightly worn, and at the same time, the first and second mandibular incisors were ground into a rectangular shape;

At the age of 7, the mandibular first incisor is worn to the root of the tooth, and the wear surface is vertically oval;

At the age of 10, the wear surfaces of the second mandibular and first maxillary incisors were longitudinally oval;

When 12-13 years old, Teddy puppies lose their incisors and have incomplete canine teeth, and they enter the old age stage.