To make your night guard clear again, follow these steps:
1. Rinse the night guard with warm water.
2. Use a non-abrasive toothpaste and toothbrush to gently scrub the night guard.
3. Soak the night guard in a denture cleaner or a mixture of water and vinegar for 15-30 minutes.
4. Rinse the night guard thoroughly with water before wearing it again.