How To Clean Night Guard At Home. To keep your mouth guard case clean, wash it every few days with normal dish soap (preferably fragrance free). Make sure the soap doesn’t contain any alcohol as it can dry out the night guard and potentially make it brittle.
Rinse the night guard with warm water as soon as it is removed from your mouth. Make sure the soap doesn’t contain any alcohol as it can dry out the night guard and potentially make it brittle. Then, rinse your night guard and soak it in hydrogen peroxide for 30 minutes.
The final way you can deep clean your night guard is to use a mixture of mouthwash and water.
Get some nice suds going and brush your dental appliance all over until it looks and feels clean. Try doing a soak using white vinegar, baking soda, and/or hydrogen peroxide. Some people try to clean their night guard with everyday household items on hand such as toothpaste, vinegar, baking soda, etc. This will help fight against bacterial growth.