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Related Experiment Videos

Tooth-specific risk indicators for apical periodontitis.

Lise-Lotte Kirkevang1, Michael Vaeth, Ann Wenzel

  • 1Department of Oral Radiology, Royal Dental College, University of Aarhus, Denmark. llkirkevang@odont.au.dk

Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
|June 9, 2004
PubMed
Summary

Teeth with root fillings, inadequate coronal fillings, crowns, or caries show higher risks for apical periodontitis (AP). Molars, especially maxillary first molars, are at greater risk, while incisors and canines are at lower risk.

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Area of Science:

  • Dentistry
  • Oral Radiology
  • Endodontics

Background:

  • Apical periodontitis (AP) is a prevalent endodontic-inflammatory condition.
  • Identifying tooth-specific risk indicators is crucial for targeted radiographic screening.

Purpose of the Study:

  • To identify tooth-specific risk indicators for apical periodontitis (AP).
  • To investigate the interrelations of these indicators.
  • To determine which teeth would benefit most from radiographic examination.

Main Methods:

  • Conditional logistic regression analysis was employed.
  • The study included 613 participants (311 males, 302 females).
  • Apical periodontitis was assessed using the periapical index (PAI); variables included root fillings, coronal fillings, crowns, pulpal posts, and caries.

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Main Results:

  • Teeth with root fillings, particularly inadequate ones, exhibited a highly increased risk for AP.
  • Coronal fillings and crowns also elevated AP risk, with inadequate restorations showing a slightly higher risk.
  • Teeth with caries, especially primary caries, had increased AP risk.
  • Molars, particularly first maxillary molars, showed a significantly increased risk for AP compared to incisors and canines.

Conclusions:

  • Tooth-specific factors like root canal treatment, restorative status, and caries significantly influence AP risk.
  • Radiographic examination should prioritize teeth with root fillings, inadequate restorations, and molars.
  • Understanding these risk indicators can optimize diagnostic strategies for apical periodontitis.