Yellowing and thinning of teeth as we get older: Narrowing of the pulp chamber

Why do teeth not look as white as before and become dull after the age of 40?

年齢の変化

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Prof. Dr. Alperen Yılmaz Verified Medical Specialist (Ağız, Diş ve Çene Cerrahisi Uzmanı)

02.08.2026 00:44 TR

@Ayşe Gül in reply to:

As age progresses, the enamel layer on the outside of the tooth wears down and becomes thinner, and the more yellow/opaque secondary dentin layer underneath thickens. This is a physiological process; can be revitalized with regular professional polishing and whitening.

#294

Pelin Şimşek

02.08.2026 04:39 TR

@Ayşe Gül in reply to:

I was wondering the same question, and the detailed answer given by our doctor was very enlightening. Thanks.

#295

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