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  2. Tooth whitening - Wikipedia

    en.wikipedia.org/wiki/Tooth_whitening

    The tooth whitening endpoint does depend on the frequency of use and ingredients of the product. [1] Whitening gels are applied onto the tooth surface with a small brush. [1] The gels contain peroxide and are recommended to be applied twice a day for 14 days. [1] The tooth whitening endpoint like that of the whitening strips. [1]

  3. Sodium monofluorophosphate - Wikipedia

    en.wikipedia.org/wiki/Sodium_monofluorophosphate

    po 3 f 2− + oh − → hpo 4 2− + f − Fluoride protects tooth enamel from attack by bacteria that cause dental caries (cavities). Although developed by a chemist at Procter and Gamble , its use in toothpaste ( Colgate toothpaste and Ultra Brite ) was patented by Colgate-Palmolive , as Procter and Gamble was engaged in the marketing of ...

  4. White blood cell differential - Wikipedia

    en.wikipedia.org/wiki/White_blood_cell_differential

    The white blood cell differential is a common blood test that is often ordered alongside a complete blood count.The test may be performed as part of a routine medical examination; to investigate certain symptoms, particularly those suggestive of infection or hematological disorders; [5] [6] or to monitor existing conditions, such as blood disorders and inflammatory diseases.