Comments on: Scientists discover a gel that whitens teeth and kills 94% of bacteria https://lifeboat.com/blog/2023/11/scientists-discover-a-gel-that-whitens-teeth-and-kills-94-of-bacteria Safeguarding Humanity Thu, 16 Nov 2023 01:22:22 +0000 hourly 1 https://wordpress.org/?v=6.6.2