Stained or discolored teeth are a problem for many. Children who smoke and drink colored drinks, including wine and soda water, can become stained very easily. For such stains, the best solution is an over-the-counter whitening treatment. There are many options like whitening strips, whitening gels, whitening toothpaste that can perfect your teeth in just 2-3 weeks. Although you can opt for an at-home whitening treatment, I think treatment under professional supervision is excellent, at least for the first time. timers...no worries, please! However, next time you can do everything at home using inexpensive natural products.