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  2. Tooth discoloration - Wikipedia

    en.wikipedia.org/wiki/Tooth_discoloration

    Dentin forms the bulk of the tooth substance, [7] and contributes most to the overall tooth color. [6] At the core of the tooth is soft connective tissue termed the dental pulp . [ 8 ] The pulp is pink/red due to its vascularity, but is rarely visible through the overlying enamel and dentin unless the thickness of these layers is reduced by ...

  3. Tooth whitening - Wikipedia

    en.wikipedia.org/wiki/Tooth_whitening

    Tooth whitening or tooth bleaching is the process of lightening the colour of human teeth. [1] Whitening is often desirable when teeth become yellowed over time for a number of reasons, and can be achieved by changing the intrinsic or extrinsic colour of the tooth enamel . [ 2 ]

  4. Tooth enamel - Wikipedia

    en.wikipedia.org/wiki/Tooth_enamel

    At the edges of teeth where there is no dentin underlying the enamel, the color sometimes has a slightly blue or translucent off-white tone, easily observable on the upper incisors. Since enamel is semitranslucent , the color of dentin and any material underneath the enamel strongly affects the appearance of a tooth.

  5. Color of your teeth may not be indicative of your oral health

    www.aol.com/lifestyle/2017-12-12-color-of-your...

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  6. Ohaguro - Wikipedia

    en.wikipedia.org/wiki/Ohaguro

    Ohaguro existed in Japan in one form or another for hundreds of years, and was considered a symbol of beauty for much of this time. Objects with a deep black color, such as those lacquered to a glossy black, were considered to be of great beauty, and many shades of black were used in dyeing kimono, with different shades holding different meanings.

  7. Ivory - Wikipedia

    en.wikipedia.org/wiki/Ivory

    Ivory is a hard, white material from the tusks (traditionally from elephants) and teeth of animals, that consists mainly of dentine, one of the physical structures of teeth and tusks. The chemical structure of the teeth and tusks of mammals is the same, regardless of the species of origin, but ivory contains structures of mineralised collagen. [1]

  8. Dentinogenesis imperfecta - Wikipedia

    en.wikipedia.org/wiki/Dentinogenesis_imperfecta

    Primary teeth have a more obvious appearance as they have a thinner layer of enamel overlying dentine, hence the abnormal color of dentine is more noticeable. [2] Radiographically, affected teeth have short and narrow roots, and obliterated pulps due to dentine hypertrophy before or shortly after tooth eruption. [2]

  9. Human tooth - Wikipedia

    en.wikipedia.org/wiki/Human_tooth

    Bottom teeth of a seven-year-old, showing primary teeth (left), a lost primary tooth (middle), and a permanent tooth (right) Tooth eruption in humans is a process in tooth development in which the teeth enter the mouth and become visible. Current research indicates that the periodontal ligaments play an important role in tooth eruption.