Each mouthpiece for the BitePod20 is sold separately.
The Viber runs on AC household current and is rechargeable.
Wear it for 20 minutes immediately after an orthodontic adjustment (or new aligner trays) for drug-free help with pain relief.
Wear it for 10 minutes twice a day to help seat new aligners, or generally help with orthodontic pain relief .
Works with all types of orthodontic braces.
Can be used by multiple family members; just replace the mouthpiece! Does not "expire" and can be used for years by other family members in the future, if desired.