Whitening procedures are the single most commonly pursued cosmetic procedure dentists see requested. In fact, teeth whitening is in such high demand that an entire over the counter market exists to sell products that are supposed to deliver those benefits at home at a fraction of the cost. While whitening toothpaste and mouthwash might support a professionally whitened smile, the results you will see if using them on their own are minimal, because you really do need a full treatment. Many patients think about using an at-home kit, but there are some excellent reasons why you should think again before trying any dental procedure at home.