If you swish with hydrogen peroxide everyday you will have the same results plus excellent gum tissue! Recommend swishing with peroxide for minutes morning and night. It kills bacteria that causes decay, gingivitis, periodontal disease. Worth a shot!
Slighly crinkle up the aluminum foil and place it on the bottom of your dish. Put all your jewerly in a single layer making sure the silver is touching the foil. Sprinkle a layer of Baking Soda over everything. Pour boiling water over.