- On July 1, 2016
Molds of your teeth will be made to fabricate your own unique ultra comfortable KöR-Seal™ whitening trays. You and your dentist will select which level of KöR Whitening is the proper fit for you. You will normally wear your KöR-Seal™ trays at home for two weeks while you sleep. Depending on your selection you may also have one or two simple whitening visits the in the dental office.