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Chemical events during tooth dissolution.

G S Ingram1

  • 1Unilever Research, Port Sunlight Laboratory, Bebington, Wirral, Merseyside, United Kingdom.

Journal of Dental Research
|February 1, 1990
PubMed
Summary
This summary is machine-generated.

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Chemical changes in teeth during acid attacks involve preferential calcium, carbonate, and magnesium dissolution. Fluoride interaction creates a more stable tooth mineral, crucial for maintaining dental integrity against caries.

Area of Science:

  • Dental science
  • Biomineralization
  • Cariology

Background:

  • Enamel and hydroxyapatite dissolution occur during acid attacks and caries.
  • Understanding chemical changes during demineralization is crucial for dental health.

Purpose of the Study:

  • To investigate the chemical alterations in tooth structure during acid dissolution.
  • To elucidate the role of fluoride in modifying mineral properties and resisting demineralization.

Main Methods:

  • Review of studies on hydroxyapatite solubility, enamel solubility, artificial lesion formation, and natural caries.
  • Analysis of compositional changes during acid attack on tooth structures.

Main Results:

  • Preferential dissolution of calcium, carbonate, and magnesium from enamel and hydroxyapatite.

Related Experiment Videos

  • Formation of calcium-deficient mineral with altered lattice parameters and solubility.
  • Fluoride interaction leads to a more stable mineral lattice, resisting dissolution and promoting accretion.
  • Root dentin releases significant magnesium upon acid exposure.

    • Conclusions:

    • Fluoride plays a vital role in enhancing tooth mineral stability and integrity, counteracting demineralization effects.
    • Low levels of fluoride in plaque fluid are essential for maintaining net tooth integrity.
    • Further research is needed on the role of the organic phase in tooth demineralization.