?REUSABLE AND DURABLE: Made from medical grade silicone, these dental aligner seaters are hygienic and safe to use. They are reusable and can last for weeks. You can clean your OrthoChews after each session with mild soap and water or diluted mouthwash. EASY TO USE?: OrthoChews are soft enough to bite comfortably, but hard enough to seat trays effectively. With two hardnessess to choose from, OrthoChews are appropriate even for those with sensitive teeth. Quick and easy to use, just position an OrthoChew between your teeth and bite down repeatedly. The quatrefoil shape enables a confident grip- no worries about slipping out of place!. RELIEVE PAIN?: Some pain and discomfort might occur during your clear aligner journey as your teeth move into new positions. Biting on these OrthoChews will increase blood flow to reduce the pain you may experience from wearing your invisible braces. Think of it like a massage for sore muscles- your gums are working hard to move your teeth, and OrthoChews give them some relief!. TREATMENT PROGRESSES AS FAST AS POSSIBLE: When you get a new set of aligner trays, they may not fit tightly against your teeth at first, which can slow down treatment. Using OrthoChews will help to close any air gaps between your teeth and your aligners, making sure they fit properly and your teeth begin to move immediately. ALIGNERS FIT BETTER: OrthoChews are very useful when changing to a new set of trays. They help the aligners fit properly on your teeth right away, which helps your teeth start moving immediately. After putting your aligners in, chew on one of these for a few seconds to ensure that the aligner is fully seated on your teeth and comfortable in your mouth.