The foundation of a beautiful smile is good oral health. Failing to maintain good oral hygiene will increase your risk of health problems that can change the way your smile looks and compromise the results of your cosmetic dentistry treatments. Brush your teeth least twice per day and floss at lease once. Talk to your dentist about whether you should use a mouthwash or fluoride rinse. Get dental cleanings at least twice per year, or more often if your dentist recommends it. All of these things will help to keep your teeth healthy and your smile looking great.