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  2. Tooth discoloration - Wikipedia

    en.wikipedia.org/wiki/Tooth_discoloration

    Amalgam fillings often stain the tooth they are placed in. [11] This is most noticeable in very old fillings, as pigment slowly leaches out of the amalgam filling material and its associated corroded surfaces. In addition, metallic fillings cast a shadow that can be visible through the tooth and make it appear darker. [11]

  3. Tooth whitening - Wikipedia

    en.wikipedia.org/wiki/Tooth_whitening

    The perception of tooth colour is multi-factorial. Reflection and absorption of light by the tooth can be influenced by a number of factors including specular transmission of light through the tooth; specular reflection at the surface; diffuse light reflection at the surface; absorption and scattering of light within the dental tissues; enamel mineral content; enamel thickness; dentine colour ...

  4. Remineralisation of teeth - Wikipedia

    en.wikipedia.org/wiki/Remineralisation_of_teeth

    Tooth remineralization is the natural repair process for non-cavitated tooth lesions, [1] [2] in which calcium, phosphate and sometimes fluoride ions are deposited into crystal voids in demineralised enamel. Remineralization can contribute towards restoring strength and function within tooth structure.

  5. Komodo dragons have iron-tipped teeth, new study shows - AOL

    www.aol.com/komodo-dragons-iron-tipped-teeth...

    Analysis showed that iron was already present when the teeth erupted from the gum tissue, and was also present despite Ganus having a very different diet to wild Komodo dragons, he added.

  6. 12 surprising foods that will turn your teeth yellow ... - AOL

    www.aol.com/news/12-surprising-foods-turn-teeth...

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  7. Dental compomer - Wikipedia

    en.wikipedia.org/wiki/Dental_compomer

    Compomers and glass ionomer cements are able to release fluoride over extended periods, and this may help to reduce the risk of a tooth decaying further. However, such a property does not negate the need for excellent oral hygiene to prevent oral disease. [1] [3] Compomers are recommended for patients at medium risk of developing dental caries. [2]

  8. Tooth polishing - Wikipedia

    en.wikipedia.org/wiki/Tooth_polishing

    Foods and beverages such as coffee, tea, and red wine can stain the enamel. Chromogenic bacteria found in plaque that is left behind due to poor oral hygiene can also cause staining. Other external factors that can lead to extrinsic staining are smoking, some antimicrobial rinses, and environmental working conditions where there is exposure to ...

  9. Dental fluorosis - Wikipedia

    en.wikipedia.org/wiki/Dental_fluorosis

    In dental enamel, fluorosis causes subsurface porosity or hypomineralizations, which extend toward the dentinal-enamel junction as the condition progresses and the affected teeth become more susceptible to staining. Due to diffusion of exogenous ions (e.g., iron and copper), stains develop into the increasingly and abnormally porous enamel. [7]

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