Preventive Fluoride

Fluoride turn tooth enamel into a strong structure which can resist erosive forces and cavity formation.

How incorporation of fluoride into tooth enamel help tooth to be more resistant to acids and prevent tooth decay?

Tooth structure is composed of a material called hydroxyapatite, this material is pron for erosion under the influence of some acids and other chemicals. Once hydroxyapatite come in contact with fluoride, hydroxyapatite crystals will turn into fluorohydroxyapatite, which is stronger when compared to normal hydroxyapatite.

How fluoride come in contact with the tooth?

There are two ways for the fluoride to reach your teeth.

  1. Systemic Fluoride: – The fluoride that circulate through the bloodstream and are incorporated into developing teeth.
  2. Topical application: – Fluoride that applied directly onto the teeth by a dentist or by patients themself

Different ways of topical application:-

  • Foam: Fluoride in the form of foam is sprayed onto a special tray and placed in the mouth for 10-15 minutes.
  • Fluoride paste: Application of prophylactic (or preventive) pastes are applied after plaque removal which helps in replenishing lost fluoride in high concentration
  • Fluoride Varnish: Single tufted brushes are used to paint on fluoride varnish on to sensitive areas of teeth such as the joints between the teeth  (proximal surfaces’) which are more prone to dental decay.

Advantages of fluoride application.

  • Prevention of dental caries
  • Prevent erosion of enamel (the first layer of tooth)
  • Increase the strength of enamel.
  • Decrease any sensitivity of tooth.

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