How To Clean Mouth Guard With Vinegar. You don't have to be concerned with rinsing it afterward, because white vinegar is not toxic. The second way to deep clean your night guard is by using a mixture of vinegar and hydrogen peroxide.
Soak the night guard in distilled white vinegar for at least 30 minutes. Rinse your mouth guard or night guard under lukewarm tap water. Do not use hot water as this can permanently alter the fit of your dental night guard.
Soak the night guard in distilled white vinegar for at least 30 minutes.
Rinse your mouth guard or night guard under lukewarm tap water. Then, dip a clean toothbrush in warm water and scrub the dish soap into the mouth guard. Never use hot water to clean your mouth guard. Do not use hot water as this can permanently alter the fit of your dental night guard.