Study finds new evidence on how fluoride fights caries
German researchers have found new evidence that fluoride affects the adhesion force of bacteria that stick to teeth and produce the acid that causes caries, according to a study in Langmuir (April 4, 2013). Despite a half-century of scientific research, controversy still exists over exactly how fluoride compounds reduce the risk of tooth decay. The caries-preventive effect for teeth is often traced back to effects on demineralization. Research established long

