Most of you have likely found DLTK's section for Dental Health Month.
Not surprisingly all the toothbrush/toothpaste makers have a page or two for children's Dental Health. Thanks to Blair and Nina for sending in these links.
Colgate Kids Section: Games, facts, coloring pages and a brush chart
Crest's Dental Health Month site: Includes info on how to brush and floss and the importance of eating well and visiting your dentist