At some time in your cat's life, he or she will need professional teeth cleaning. How often depends on your cat's overall health and teeth condition. One way to make those veterinarian-assisted teeth cleaning easier and less traumatic for your cat is good dental hygiene. Namely, you should be brushing your cat's teeth every day. While this may seem impossible to do, there are ways to make it easier. Here are some tips for getting your cat used to this routine.