Think about cost-benefit: in-office treatments are faster however costlier; take-home trays are economical with steady
https://www.mediafire.com/file/r0u7hjixd2f75xc/pdf-2224-98380.pdf/file
Consider cost-benefit: in-office treatments are much faster but more expensive; take-home trays are affordable with gradual outcomes-- choose based on timeline and budget.