http://laytondental.com Dr Layton shows in real time the smoking tooth. This video shows how your mercury fillings are constantly giving off harmful toxic gasses. Also how the amount of gas given off differs from the different things you may do every day for example Drinking Coffee or grinding your teeth. Dr Layton is the Premiere Natural and Holistic Dentist in San Diego Ca. You can find us at 285 N. El Camino Real, Suite 102, Encinitas, CA 92024. (760) 753-7700