Think about cost-benefit: in-office treatments are much faster however pricier; take-home trays are cost-effective with gradual
https://devinjdan182.cavandoragh.org/whitening-for-sensitive-teeth-how-we-reduce-pain
Consider cost-benefit: in-office treatments are faster but pricier; take-home trays are cost-effective with steady results-- choose based upon timeline and budget plan.