Print AAPD’s fun, educational “Did You Know” posters! Click each link below to view and download each poster. Most cavities in children occur in places that sealants could have protected. Pediatric dentists undergo an additional 2-3 years of specialized study after becoming dentists, with emphasis on child psychology, growth & development and special health care needs. 1st birthday = 1st dental checkup! Parents should supervise their children brushing their teeth until age 7 or 8. Tooth decay is nearly 100% preventable. Tooth decay can begin as soon as a tooth erupts. 40% of children have tooth decay by the time they enter kindergarten. An average American spends 38.5 days over a lifetime brushing their teeth. Studies have shown that manual toothbrushes are just as effective as powered ones. Children with oral health issues are 3X more likely to miss school due to dental pain than children with no dental health problems.