Think about cost-benefit: in-office treatments are much faster however pricier; take-home trays are cost-effective with progressive
https://devinjdan182.cavandoragh.org/reasons-to-select-expert-whitening-over-store-bought-kits-1
Think about cost-benefit: in-office treatments are much faster however pricier; take-home trays are economical with steady results-- choose based on timeline and budget.