Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
In short, laser teeth whitening works by using lasers to activate whitening gels – this process releases oxygen ions which gently lift the stains off the teeth. How effective this whitening is, depends on the whitening gels, activators, the structure of the teeth, the time taken, and the technique used by the cosmetic dentist.
