If you have a dog, you know that their teeth need to be cleaned on a regular basis. There are many ways to do this, but one of the simplest is to use baking soda. To clean your dog’s teeth with baking soda, mix 1/2 cup of baking soda with enough water to make a paste. Wet your dog’s mouth and apply the paste to their teeth, using circular motions. Let the paste sit for two minutes before rinsing off with water. Repeat as needed. ..