It is usually said that dogs change their teeth at four to six months. Specifically, they start to change their incisors (that is, the incisors between the canine teeth on both sides of the mouth in the middle of the mouth, a total of six) at two to four months. By 6 months all incisors are replaced with adult and canine teeth!

dog the condition of the teeth, can also be used for Determine the age of the dog. Specifically, you can refer to the following:
● Around 20 days: the dog begins to grow teeth;
● 4 to 6 weeks old: the dog's milk incisors are even.
● When approaching 2 months old, the dog's milk teeth are all long, white, thin and pointed;
● 2 to 4 months old: the dog replaces the first milk incisor;
●5 to 6 months old: the dog begins to replace the second and third primary incisors and canines;
●After 8 months old: the dog has all replaced the permanent teeth, However, it is not ruled out that some dogs will be late, and there are even cases where the replacement is completed at the age of 2; ;
●1.5 years old: the dog's mandibular first incisor canine peaks are worn to level with the small peaks, this phenomenon is called peak grinding;
●2.5 years old: the dog's second mandible The incisor spikes were obliterated;
●3.5 years old: the dog’s first maxillary incisor spikes were obliterated;
●4.5 years old: the dog’s maxillary second incisor peaks were obliterated;
5 years old: The dog's mandibular third incisor is slightly worn, and the worn surface of the mandibular first and second incisors is rectangular;
●7 years old: the dog's mandibular first incisor is worn to the root of the tooth, and the worn surface is a vertical oval;
●8 years old: the dog's mandibular first incisor is worn and tilted forward ;
●10 years old: The worn surface of the dog's second mandibular and maxillary first incisors is a vertical oval; The dog at that time is already an old birthday star! What is the difference between deciduous teeth and adult canine teeth?