- Good evening, I'm Frank Blair. Welcome to "What Makes Sammy Run", from this modern classic by Budd Schulberg. Again, tonight presented by Crest, the fluoride toothpaste. You know the toothpaste with the kids who say, "look mom, no cavities". Look mom, no cavities. Maybe you have wondered, is that too good to be true? Well last week, Cedric Adam showed you how a Minneapolis suburb answered that question. 

- Now, we know from our own tests, supervised by our own Minnesota Department of Health, that fluoride toothpaste can cut cavities significantly. 

- Tonight, we'll see what conclusion university scientists reached when they tested Crest. William Armstrong, Director of Indiana University Foundation will take you on a guided tour, a tour that shows you how you can reduce cavities for your whole family.