Over 80 percent of cats that are older than 6 years have periodontal disease. If left untreated, it can lead to serious problems and shorten your pets life. You should start with a yearly dental exam when the cat is age 2. The vet can determine if a tooth cleaning/polishing is necessary. It will take 30 minutes, your cat will need to be anesthetized for the procedure.
Brushing Your Cat's Teeth
Here's an informative video that shows how easily you can brush your cats teeth.