Fluoride coating much thinner than thoughtUPIDec. 20, 2010 |
Claim Jewish Student Was 'Stabbed In The Eye' by Pro-Palestine Protester Draws Mockery After Video Released
Mike Johnson Pushes Debunked Lie That Israeli Babies Were 'Cooked in Ovens' On October 7
'These Protesters Belong in Jail': Gov. Abbott Cheers Arrest of Pro-Palestine Protesters at UT Austin
'It Has to Be Stopped': Netanyahu Demands Pro-Palestine Protests at U.S. Colleges Be Shut Down
Senate Passes $95B Giveaway to Israel, Ukraine, and Taiwan, Combined With TikTok Ban
SAARBRUCKEN, Germany, Dec. 17 (UPI) -- German researchers say fluoride's protective cavity shield on teeth is a 100 times thinner than previously thought. [...] the researchers find this fluorapatite layer is only 6 nanometers thick -- much thinner than anyone had expected. The researchers pointed out 10,000 of these layers would be needed to span the width of a human hair. They have suggested a layer this thin may be quickly worn away by ordinary chewing and question whether a layer this thin can shield teeth from decay or whether fluoride has some other unrecognized effect on tooth enamel. Read More |