1, judged by the growth of teeth under two months of the dog only milk teeth, this time the teeth are whiter, finer, but also sharper. Incisors will be changed in 2 to 4 months; canine teeth will be changed in 4 to 6 months; molars will be changed in 6 to 10 months. 2, judged by the degree of wear and tear of teeth one year old dog incisors have cusps, wait until the age of 2 years the cusps of the lower incisors will be worn flat, 3 years old the cusps of the upper incisors will become flat; wait until the dog 4 to 5 years old incisors will appear worn and yellowing; 6 years old dog teeth will have a lot of teeth solid; wait until the age of 7 The dog’s teeth will be loose and the lower incisors will become rounded, and the dog’s less healthy teeth will fall out after the age of 10. 3, the dog’s hair will be judged by its soft and shiny coat when it is young, and when it becomes an adult, the hair will become hard and fluffy, and then the dog’s hair will gradually turn white.
