 |  |  |  |  | Now, grow your own teeth! Somewhere in a research lab not so far away, scientists are devising a way to help you grow back another tooth, exactly like the original. | Invisible Way To Move Teeth If you want to straighten your teeth without braces, there may be a solution. People still use the traditional braces, but there is an alternative--one that's invisible and made of plastic. | Simple saliva test may make it easier to determine your risk of disease Within two years, you may be able to go for a regular dental visit, spit into a cup and, before your appointment is over, find out from an analysis of your saliva whether you're at risk for oral cancer. |  |  |  | |  |  | |  |  |  |  | |  | |