Try your hand at these questions on what's good for your teeth. Questions 1. Chewing gum is always bad for your teeth. __True __ False 2. You should replace your toothbrush every six months. __ True __ False 3. Nearly 35,000 new U.S. cases of oral cancer are diagnosed annually. ___ True ___ False 4. The amount you sleep affects your gums. ___ True ___ False 5. Dentists recommend fluoride consumption for adults and children of all ages. ___ True ___ False 6. Healthy teeth and gums reflect your body's overall health. ___ True ___ False Answers 1. False. The American Dental Association (ADA) Council on Scientific Affairs has awarded the ADA Seal of Acceptance to several sugarless gum manufacturers. …