A brighter smile is one of the most requested changes people ask for when they think about improving their appearance. Coffee, tea, red wine, and just the natural aging process all take a toll on the color of our teeth over time. The good news is that whitening has never been more accessible, but that also means there are more choices than ever, and it can be confusing to know which route actually makes sense for your teeth, your budget, and your patience level. Understanding how in-office and at-home whitening…