Spotlight Women in Dentistry: Clinical February 1, 2020 Volume 16 , Issue 2 , February 2020 Share BUY NOW Young® ClearDefense™ Silver Fluoride ClearDefense™ offers an advanced solution for treating dental hypersensitivity. Its unique formula combines 3% sodium fluoride (13,600 ppm fluoride ion) with 0.2% nanosilver (2,000 ppm silver ion), occluding dentinal tubules to reduce sensitivity. You must be signed in or registered to view this page