How many days treatment are included in the Teeth Whitening Trays by BURST? July 12, 2022 18:35 Updated There are 7 days of treatments included, 14 trays in total. 7 Upper and 7 Lower. Related articles Can I drink Coffee, Tea or other dark staining drinks for the course of my Teeth Whitening? Why should I choose the Teeth Whitening Trays by BURST instead of the Whitening Strips by BURST Can I use the Teeth Whitening Trays by BURST for 14 days in a row? How long will my results from the Teeth Whitening Trays by BURST last? What are the shelf life and care instructions for the Teeth Whitening Trays by BURST?