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Related Experiment Videos

The effect of fluoride on the developing tooth.

C Robinson1, S Connell, J Kirkham

  • 1Leeds Dental Institute, University of Leeds, Leeds, UK. C.Robinson@leeds.ac.uk

Caries Research
|May 22, 2004
PubMed
Summary

Fluoride disrupts tooth enamel formation by retaining matrix proteins, leading to porous, opaque dental fluorosis. Understanding these biological processes is key to preventing this condition.

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Area of Science:

  • Biomineralization
  • Dental Enamel Formation
  • Odontogenesis

Background:

  • Dental fluorosis is characterized by enamel opacity.
  • The precise mechanisms underlying fluorosis development are complex and not fully understood.
  • Recent advances in understanding odontogenesis offer new insights.

Purpose of the Study:

  • To review the effects of fluoride on biological processes in tooth enamel formation.
  • To elucidate mechanisms leading to dental fluorosis.
  • To clarify the role of fluoride in enamel matrix protein retention.

Main Methods:

  • Literature review focusing on fluoride's impact on enamel biomineralization.
  • Analysis of studies on odontogenesis and ameloblast function.
  • Examination of crystal chemistry and nano-scale morphology changes.

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Main Results:

  • Fluoride compromises apatite crystal growth, causing enamel opacity.
  • Retention of matrix proteins, increased fluoride and magnesium, and reduced carbonate are observed.
  • Altered crystal morphology and ameloblast function contribute to porous enamel.

Conclusions:

  • Fluoride incorporation stabilizes apatite crystals but impairs matrix protein degradation.
  • Reduced protein removal is the likely cause of porous fluorotic enamel.
  • Further research is needed on cell function and nano-chemistry for a complete understanding.