Begin to rub the teeth in circles at the gum line, similar to the brushing action of human teeth brushing. (dogs.lovetoknow.com)
As on human teeth, plaque forms on a dog's teeth after eating. (petsmagazine.com.sg)
Rabbit teeth are very different from human teeth in that they are constantly growing, an adaptation seen in animals that eat vegetation. (smallanimalchanel.com)