You may have noticed a story on page 26, or somewhere thereabouts, of your local newspaper, about a dentist in your area that is performing free dentistry for kids who are not in a position to receive regular dental care. That idea was initially generated by Dr. Jeff Dalin of St. Louis.

To learn more about his story, and the idea he thought up, that now boasts half a million dentists and volunteers, working together to help serve almost six million kids a year, read: How one small idea created a national movement