The expense associated with teeth whitening can fluctuate significantly based on the specific approach employed and the service provider engaged. Opting for professional teeth whitening administered by a dental expert typically entails a higher cost, with prices typically ranging from $500 to $1,500, depending on the complexity of the procedure and the extent of discoloration. On the other hand, over-the-counter teeth whitening products, which are readily accessible in various forms such as whitening strips, toothpaste, and gels, offer a more affordable alternative, with prices spanning a modest range of $20 to $100. It's important to note that the effectiveness and duration of results may vary between these options, with professional treatments often yielding more immediate and long-lasting outcomes compared to at-home solutions. When considering the appropriate teeth whitening method, individuals should factor in their budget, the desired level of whitening, and the guidance of a dental professional to ensure optimal results while maintaining overall oral health.