I have a retainer that I have to keep in at all times. It's to fix the two upper eye teeth that have grown in above the rest of my teeth. I recently took out my retainer and it smelled really bad. I washed it using a baking soda paste, with just baking soda and water, using a baby tooth brush. That got rid of the smell, but it keeps coming back. I don't want to use an adult toothbrush, with toothpaste, because I know it'll scratch it up and get even worse.
Is there another way to get rid of the smell?
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