Teddy puppies how to see a few months

How can I tell when my Teddy puppy is a few months old? Generally speaking, Teddy puppy’s teeth will gradually grow unevenly in about 20 days after birth; by 30-40 days, its milk incisors will gradually grow; at 4 months of age, the first milk incisor will be replaced; at 8 months of age, all the teeth will be replaced with permanent teeth; when Teddy puppy is 1 year old, the permanent teeth will grow. The specific age of a pet dog can be judged by the specifics of the teeth. The same method can be applied for determining the age of a Teddy puppy. As the age of the Teddy puppy changes, the growth and wear of the teeth will also appear in a different state. Generally speaking, Teddy puppy’s teeth will gradually grow unevenly in about 20 days after birth; by 30-40 days, its milk incisors will gradually grow together; at 2 months of age, all the milk teeth will grow together, and the teeth will be sharp and white; at 4 months of age, the first milk incisor will be replaced; at 5-6 months of age, the second and third milk incisors and all the milk teeth will be replaced; at 8 months of age, all the teeth will be At 1.5 years of age, the cusps of the first mandibular incisor are worn down; at 3.5 years of age, the cusps of the first maxillary incisor are worn down; at 5 years of age, the cusps of the third mandibular incisor are slightly worn down, while the first and second mandibular incisors are worn in a rectangular shape; at 7 years of age, the first mandibular incisor is worn down to the root of the tooth, and the worn surface is in a longitudinal oval shape; at 10 years of age At the age of 10, the second incisors of the lower jaw and the first incisors of the upper jaw are worn in a longitudinal oval shape; at the age of 12-13, the incisors of Teddy puppies are lost and the canine teeth are incomplete, entering the old age stage.