Think about cost-benefit: in-office treatments are much faster however costlier; take-home trays are economical with progressive
https://www.mediafire.com/file/mzdo4rt1irmv9y7/pdf-66295-4519.pdf/file
Think about cost-benefit: in-office treatments are faster but more expensive; take-home trays are economical with steady outcomes-- choose based on timeline and budget.