A Comprehensive Guide to Using Kukident Denture Cleaner Rinse Your Dentures: Before cleaning, briefly rinse your dentures under running water to remove any loose debris or food particles. Prepare a Glass of Warm Water: Fill a glass with warm water (around 50°C or 122°F). You can also place a towel in the sink or fill the sink with water to prevent damage if your dentures accidentally slip out of your hand. Add a Kukident Denture Cleanser Tablet: Drop one Kukident Denture .