The Perio Protect method combines in-office treatments with daily Perio Tray delivery of medication. The Perio Tray is available only with a prescription from your dentist. It has a unique sealing system customized specifically for your mouth to keep medication at the site of the infections. Perio Trays are easy to use. It takes just a few seconds to prepare your trays, and most people wear them only minutes each day. Research shows that Perio Tray therapy and cleanings deliver better results than professional cleanings alone.