How To Disinfect Retainer Case. Coffee, tea, curry, carrot juice, red wine etc will stain retainers. That being said, before you start setting a nightly reminder to disinfect your retainer, it's important to note that there are different types, and they should be cleaned in different ways.
Do not let your retainers get damaged or bent (keep it in the case when not in the mouth). Put into your mouth or into a case. Alcohol can harm your retainer’s plastic.
Mouthwash and water — mouthwash can dry out your retainer so make sure you balance it with lukewarm water.
If you don’t have cleaning tablets, you can pour a capful of mouthwash into a glass and dilute it with enough water to just cover your retainer or night guard. If you don’t have cleaning tablets, you can pour a capful of mouthwash into a glass and dilute it with enough water to just cover your retainer or night guard. This protects it from getting damaged and away from pets (who often like to chew on it.) advertisement. After i realized that i took it out and scrubbed it with toothpaste, then i used mouthwash with it.