Think about cost-benefit: in-office treatments are much faster however more expensive; take-home trays are cost-effective with steady
https://www.mediafire.com/file/7c9omod2olj43oc/pdf-17286-84817.pdf/file
Consider cost-benefit: in-office treatments are quicker but costlier; take-home trays are cost-effective with steady outcomes-- select based on timeline and budget.