How To Clean Your Retainer Plastic. Now rinse them thoroughly with water (never use hot). Soak your retainer for at least 20 minutes in the solution.
Use a soft toothbrush to clean; Cleaning your retainer will prevent it from accumulating excess plaque, bacteria, and tartar that can endanger your oral health or cause your retainer to smell and taste bad. After gentle brushing, let retainer dry on your counter top.
It may seem odd at first, but you can clean your retainer with mild dish soap.
Replace the retainer in your mouth or store it safely until you’re ready to wear it. If you wear your holder regularly, we recommend firstly, and secondly, knowing the importance of keeping it clean. Remove it from the solution and then rinse it thoroughly under cool, running water until all baking soda washes away. To clean your retainer with vinegar: