What causes teeth to stain?
Age plays a major role in teeth staining. Over the years, teeth darken as a result of wear and tear and stain accumulation. Teenagers will likely experience immediate, dramatic results from whitening. As the teeth begin to show a yellow cast in a person’s 20s, teeth-whitening may require a little more effort. When a person reaches 40, the yellow gives way to brown and more maintenance may be called for. But even in later years, teeth can be whitened to a beautiful color and stains removed. We are all born with a tooth color that ranges from yellow-brownish to greenish-grey, and intensifies over time. Yellow-brown is generally more responsive to bleaching than green-grey. Translucency and thinness are also genetic traits that become more pronounced with age. While all teeth show some translucency, those that are opaque and thick have an advantage because they appear lighter in color and respond to bleaching. Teeth that are thinner and more transparent have less of the pigment that is ne
