Neat News 1380 (added 2019-10-11) Gel to repair the dental enamel © K.D. Schroeder [CC BY-SA 4.0] A new gel containing calcium and phosphate can repair and regrow dental enamel. News seen at: ntv (in German) Further Info Diagram of a healthy human tooth taken from WikipediaWikipedia page on human teethScientific article in "Science Advances"