For some people, the pursuit of whiter teeth can be a bit of an obsession. From toothpastes and gums that promise to whiten while you use them to trendy all-natural treatments like charcoal and turmeric, it seems like people are willing to try just about anything. But while these treatments may not get the kind of results you’re hoping for, at least you’re not out a lot of money. The danger happens when patients begin investing tons of money into products like white strips, over-the-counter trays and those special lights you hold in your mouth to help accelerate whitening. Do these products work? And if they do, do they work as well as the treatment options available at your dentist’s office?