Hopefully, one day we can turn it into a tool that dentists use in their offices and maybe even patients use at home. For people who have a fear of going to the dentist, this is a way to have one less thing to worry about.

It's a non-invasive way to measure the level of infection and inflammation of the gums.

I'm English. Our dentistry is not world famous. But I made sure I got moldings of my old teeth beforehand because I miss them.

Dentists are incapable of asking questions that require a simple yes or no answer

I am not interested in the ephemeral-such subjects as the adulteries of dentists. I am interested in those things that repeat and repeat and repeat in the lives of the millions.

We took a look at dentists' offices and industrial customers and sampled at strategic locations. It's hard to know exactly where it comes from. We went business to business in certain areas, asked them if they use mercury compounds and told them they can't dispose of it down the sewer.