You know that old saying, truth is stranger than fiction? Well it's not always true, but in the case of these five tooth-related stories it sure is. If you like "news of the weird," check out these five oral health stories that prove sometimes fact really is stranger than fiction.

For most people, dry mouth is a minor annoyance that can be easily fixed by having a glass of water. But what happens when water isn’t enough, and that dry mouth never really goes away? For the estimated 4 million Americans who suffer from an autoimmune disorder called Sjogren’s Syndrome, this problem can be an uncomfortable reality.