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New Molecule Will Prevent Cavity for Life - as part of the news series by GeoBeats.No one likes going to the dentist to get a cavity filled. Well Jose Cordoba from Yale University and his colleague from Chile have discovered a molecule that kills the cavity causing bacteria. The molecule has been named Keep 32, in reference to the 32 total number of teeth we have.It works to kill the bacteria for hours as long as the molecule is held in the mouth for 60 seconds. Beginning their research in 2005, the team of scientists says that they are under two years away from having Keep 32 on shelves in several different dental health products like toothpaste and mouthwash as well as candy like gum or Hershey’s. This is good news for a reported 92 percent of adults age 20 to 64 who have experienced tooth decay in their lifetimes according to the National Institute of Dental and Craniofacial Research. Cavities are minor cases of tooth decay, but they can grow and get worse if they are not treated by a dentist, who drills away the decayed part of the tooth and places a filling in the hole.