Consider cost-benefit: in-office treatments are quicker however pricier; take-home trays are economical with gradual
https://www.mediafire.com/file/7c9omod2olj43oc/pdf-17286-84817.pdf/file
Consider cost-benefit: in-office treatments are much faster but more expensive; take-home trays are affordable with progressive results-- pick based on timeline and budget plan.