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Root caries histopathology and chemistry

J S Wefel1

  • 1Dows Institute for Dental Research, College of Dentistry, University of Iowa, Iowa City.

American Journal of Dentistry
|October 1, 1994
PubMed
Summary

This review examines root caries histopathology and fluoride

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Area of Science:

  • Dental science
  • Oral pathology
  • Biomaterials science

Background:

  • Root caries is a dynamic demineralization process on exposed root surfaces.
  • Histopathology reveals lesion bodies and variable surface layers.
  • Understanding root caries is crucial for effective prevention and treatment.

Purpose of the Study:

  • To review the histopathology of root surface caries.
  • To elucidate the effect of fluoride on the root caries process.

Main Methods:

  • Histopathological examination of root caries lesions.
  • Review of in vitro studies on fluoride's effects.
  • Analysis of mineral and collagen matrix changes.

Main Results:

  • Root caries involves acid demineralization, forming a lesion body.
  • A surface layer may be absent or devoid of mineral but retain collagen.
  • Fluoride inhibits lesion formation and promotes radiodense banding.
  • Remineralization occurs on existing mineral, not solely on collagen.

Conclusions:

  • Fluoride is key in preventing and managing root caries.
  • Lesion inactivation involves mineralization and surface tissue loss.
  • Histopathology provides insights into caries progression and remineralization.

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