Consider cost-benefit: in-office treatments are faster but more expensive; take-home trays are cost-effective with progressive
https://www.mediafire.com/file/x1tie8k4q699x2e/pdf-48466-12138.pdf/file
Think about cost-benefit: in-office treatments are quicker but costlier; take-home trays are cost-effective with steady outcomes-- pick based on timeline and budget plan.