Definition

1. Noun:
   • A white powder that is used to fluoridate toothpaste: "stannous fluoride" is a specific chemical compound added to dental care products, primarily toothpaste, to help prevent tooth decay by strengthening tooth enamel and reducing sensitivity.

Usage

• Stannous fluoride is used as an active ingredient in many anti-cavity and desensitizing toothpastes.
• It functions by reacting with tooth enamel to form a protective layer.

Examples

• Noun:
  • This toothpaste contains stannous fluoride to fight cavities.
  • Dentists often recommend toothpaste with stannous fluoride for patients with sensitive teeth.

Advanced Usage

• Technical/Medical Context: In professional dental literature, "stannous fluoride" is discussed for its dual efficacy in caries prevention and gingivitis reduction due to its antibacterial properties.
  • The study compared the plaque-inhibiting effects of stannous fluoride to those of sodium fluoride.

Variants and Related Words

• Tin(II) fluoride: This is the systematic chemical name for stannous fluoride, indicating the tin ion is in the +2 oxidation state.
• Fluoride: A general term for compounds containing the fluorine ion, of which stannous fluoride is one specific type used in dentistry.

Synonyms

• Tin difluoride: A less common but accurate synonym based on its chemical formula (SnF₂).

Notes

• "Stannous fluoride" is a fixed chemical name. It is typically not used in idioms or phrasal verbs, as it is a technical term.
• It is distinct from other fluoride compounds used in dentistry, such as sodium fluoride or sodium monofluorophosphate.

Noun

1. a white powder that is used to fluoridate toothpaste