

A substantial percentage of RealSelf members say they weren’t impressed with the results: more than a third rated Zoom “ Not Worth It,” saying they didn’t get the promised result or came away with too much sensitivity.Teeth whitening treatments like Zoom aren't recommended if you’re pregnant or nursing.This doesn’t mean that Zoom whitening won’t work, just that researchers didn’t find any perks of light activation for any whitening method. Zoom claims the blue-light system activates the hydrogen peroxide, but research published in the Journal of Evidence-Based Dental Practice shows no added benefit from light-activated whitening systems.“If you’re planning to have any dental work done, do the whitening beforehand,” says Dr. Dental crowns and fillings don’t respond well to the Zoom whitening gel, so if you have them, your tooth color might end up looking spotty.A Zoom whitening procedure can increase tooth sensitivity, especially if you already have sensitive teeth or gums.Dentists recommend waiting three weeks between procedures.

If it’s done prior to dental bonding or porcelain veneers, Zoom can improve the overall cosmetic result.

