If you’re ready to turn back the hands of time to enjoy a vibrant smile again, you have more options than ever for teeth whitening. Besides in-office treatments, you can also choose to achieve professional results from the comfort of your own home. Take-home trays provide everything you need to combat tooth discoloration around your own schedule. Your teeth can become as much as 8 shades whiter within 2 weeks. Want your new smile to last? Here are a few tips to extend the effects of your whitening treatment.