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Related Experiment Videos

Root resorption in chronic periodontitis: a morphometrical study.

Raquel B Rodriguez-Pato1

  • 1Galician Health Service (SERGAS), Section of Dentistry of A Estrada, Pontevedra, Spain. mmraquel@usc.es

Journal of Periodontology
|September 3, 2004
PubMed
Summary

The severity of chronic periodontitis directly impacts transient external root resorption in teeth. More severe periodontitis correlates with a higher prevalence and greater extent of root resorption, particularly in the apical third.

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Area of Science:

  • Dentistry
  • Periodontology
  • Oral Pathology

Background:

  • Chronic periodontitis is a prevalent oral disease affecting tooth-supporting structures.
  • Previous observations suggest a link between periodontitis severity and external root resorption.
  • Understanding this relationship is crucial for managing periodontal disease complications.

Purpose of the Study:

  • To investigate the correlation between the severity of chronic periodontitis and the presence/extent of transient external root resorption.
  • To quantify resorption characteristics across different stages of periodontitis.
  • To determine the influence of periodontitis severity on the location of root resorption.

Main Methods:

  • Sixty-six teeth from 48 patients with varying degrees of chronic periodontitis were analyzed.

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  • Light microscopy was used to examine teeth for root resorptions.
  • Resorption characteristics, including area and volume percentages per radicular third, were measured.

    • Main Results:

    • Over 80% of teeth exhibited resorption, with prevalence increasing with periodontitis severity (46.67% slight, 85% moderate, 93.55% severe).
    • Average resorption length and area significantly increased from slight to severe periodontitis.
    • While apical third resorption was common, severe periodontitis influenced the location of the largest resorption percentages.

    Conclusions:

    • Periodontitis severity is a significant factor in the occurrence and magnitude of transient external root resorption.
    • The extent and location of root resorption are directly influenced by the stage of chronic periodontitis.
    • Apical resorption is common, but severe disease dictates the primary sites of resorption.