Natasha Caleel Freutel is a health and fitness writer, personal trainer and licensed occupational therapist. She obtained her bachelor's degree in kinesiology and master’s degree in occupational ...

If you wear a retainer, you might be wondering how to care for it. Your retainer sits inside your mouth and against your teeth, so it quickly accumulates bacteria, plaque, and tartar. Just like you ...

The function of a retainer is to maintain proper distance between rolling elements. Almost all roller bearings have stamped retainers made of iron-silicon bronze or lead brass. Run-of-the-mill ...

You brush your teeth, floss regularly and faithfully wear your retainer every night. But despite your diligent oral health habits, your retainer or mouth guard can get yellowed, cloudy or stained.