Consider cost-benefit: in-office treatments are quicker however more expensive; take-home trays are cost-effective with steady
https://www.mediafire.com/file/trkbkyf6w24adjv/pdf-39384-29321.pdf/file
Think about cost-benefit: in-office treatments are quicker but costlier; take-home trays are affordable with steady outcomes-- choose based upon timeline and budget plan.