Sodium fluoride: Desensitizing agents

  • Sodium fluoride is Used in toothpaste and mouthwashes to strengthen enamel, protect against acid attacks, and reduce tooth sensitivity by blocking dentinal tubules.

Properties

  • Colorless, odorless, crystalline compound.
  • Highly soluble in water.
  • Has both desensitizing and anti-cavity properties.
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Preparation

  • Produced by neutralizing hydrofluoric acid with sodium hydroxide or sodium carbonate, followed by crystallization.

Uses

  • Toothpaste and Mouthwashes: Strengthens tooth enamel, making it resistant to acid attacks and decay.
  • Desensitizing: Forms a protective layer on teeth, blocking dentinal tubules and reducing sensitivity.
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Storage

  • Store in a cool, dry place, away from moisture, heat, and direct sunlight.
  • Keep in a tightly closed container to prevent contamination.
  • Both calcium carbonate and sodium fluoride are effective in managing tooth sensitivity and improving overall oral health through different mechanisms.

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