Steradent Extra Strength tablets are formulated to safely remove stains & ensure your dentures stay brilliantly clean & stain free. Provides a powerful in-depth clean working the areas where the toothbrush can't go while killing 99.9% of bacteria. The formula is safe for metal parts & also safe for both full & partial dentures. Use twice daily, Steradent Extra Strength leaves your dentures feeling perfectly clean & smooth