The computer revolution has brought big changes to the dentist's office. Dr. David Diehl of Dupont Family Dentistry tells HealthCall's Lee Kelso how 3-d cameras and in-office milling machines allow him to restore a smile in just one appointment. Scroll ahead to 9:00 to learn more. We begin with why the WHO's suggestion to avoid dental care is without basis in the USA, and what brand of electric toothbrush Dr. Diehl says it best.