Often when dogs are in the period of tooth replacement, due to teething will lead to itchy gums, there will be a biting situation, so usually dogs in three to four months can feed the dog teething sticks. Teething sticks can not only give dogs relief from uncomfortable teeth, but also play a role in eliminating plaque, removing calculus, deodorizing and cleaning the mouth. The dog's teeth like people are also divided into milk teeth and permanent teeth, in four or five months will begin to change teeth, and then replaced with permanent teeth, if the permanent teeth are destroyed is not renewable, so the dog's oral dental care is particularly important, the need to start from the end of the change of teeth on a regular basis to the dog's teeth brushing, to remove the surface of the teeth of the food debris and plaque, to achieve the purpose of preventing oral disease.