Use of radioactive chemicals in toothpaste in United States.
United States USA Date:1957 Duration:1 min 6 sec Sound:Yes
A boy brushing his teeth. In a laboratory, teeth made radioactive at the Oak Ridge National Laboratory, Tennessee, are subject to mechanical brushing with stannous fluoride. A technician places a tooth in a Petri dish. He drops acid over the tooth, via a pipette. A woman technician using a geiger counter, measures the amount of radioactive tooth dissolved by the acid The stannous fluoride reduced damage by the acid.
This historic stock footage available in HD and SD video. View pricing below video player.
Have a correction or more info about this clip? Edit Now
Be the first to correct or edit this clip's info! Edit Now