US Patent No. 11,648,192 B2;  Michael Arnold, Beverly Hills, CA, has patented a teeth-whitening kit that contains two components. Component A is a chewable composition that is comprised of an anhydrous chewing gum base with a water content of about 1% or less, an anhydrous fruit acid, carbamide peroxide with a water content of about 2% or less and one or more gum additives. Component B is a chewable composition that contains bicarbonate ion, a gum base, and one or more gum additives....