Cleaner, fresher dentures with one daily overnight cleanser. Polident Overnight Whitening kills 99.99% of more odor-causing bacteria, helps remove plaque buildup, and helps remove stains while maintaining the original color of your dentures. Unlike toothpaste, Polident Overnight Whitening has a non-abrasive formula, so it cleans without scratching and leaves fewer places for unwanted bacteria and other microorganisms to grow.