Polident Retainer and Mouthguard Cleanser tablets make retainer, night guard and mouthguard care simple. Use Polident Retainer & Mouthguard Cleanser instead of regular toothpaste. It helps make sure your dental appliance stays clean and fresh, removing* 99.9% of odour causing bacteria**. Polident Retainer & Mouthguard Cleanser is developed with our Crystal Clear technology and is designed to help remove stains, odours and discolouration from your dental appliance and has been tested to ensure compatibility with a wide range of dental appliances