How long your teeth stay white depends on a few factors. The three most important factors are how you go about whitening your teeth, how much stain-heavy food and drink you consume after whitening your teeth, and how well you take care of your overall oral hygiene.
Professional teeth whitening provided by your dentist or dental professional will be the most long-lasting option. A professional whitening can last between 12 and 24 months. The effects of an in-office whitening procedure are immediate, you should notice whiter teeth as soon as your dental professional completes the whitening. This look can fade over time, and while your teeth may not have stains anymore, they can still develop them.
Regular teeth brushing with a specially designed, whitening toothbrush and whitening toothpaste can help maintain the effects of a teeth whitening procedure. The Philips ProtectiveClean toothbrush has a built in pressure sensor for a gentler clean while still offering teeth whitening benefits.