Think about cost-benefit: in-office treatments are faster but pricier; take-home trays are affordable with gradual
https://www.mediafire.com/file/mf0bnzln5t9b8h0/pdf-29110-52283.pdf/file
Consider cost-benefit: in-office treatments are quicker however pricier; take-home trays are cost-effective with steady results-- pick based on timeline and budget.