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The polishing of teeth removes stains from tooth surfaces, but has not been shown to improve dental health over and above the effects of the removal of plaque and Calculus. [ 18 ] Abrasives, like the dental polishing agents used in dentists' offices, also cause a small amount of enamel erosion which is termed "polishing" action.
Fluoride varnish was a higher concentration than the foam and gel. There was not a significant difference in the amount of remineralization between gels, foams, and varnish. A study with a larger sample size and a longer time frame could show differing results. [20] They can be applied easily and quickly
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]
It is a very hard, white to off-white, highly mineralised substance that acts as a barrier to protect the tooth but can become susceptible to degradation, especially by acids from food and drink. In rare circumstances enamel fails to form, leaving the underlying dentin exposed on the surface.