Think about cost-benefit: in-office treatments are quicker but more expensive; take-home trays are economical with steady
https://www.mediafire.com/file/mf0bnzln5t9b8h0/pdf-29110-52283.pdf/file
Think about cost-benefit: in-office treatments are much faster however more expensive; take-home trays are affordable with progressive results-- choose based on timeline and budget plan.