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Why do older people's teeth turn dark? Understanding Intrinsic and Extrinsic Factors

As we age, it’s a common observation that our teeth lose their youthful pearly-white luster, often taking on a more yellowed or grayish hue. This natural process begs the question: **why do older people's teeth turn dark?** Beyond simple staining, a combination of internal and external factors is at play, affecting the very structure of the tooth.