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Int Endod J. 2001 Apr;34(3):198-205.

Frequency and distribution of endodontically treated teeth and apical periodontitis in an urban Danish population.

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

Abstract

AIM:

The aim of this study was to investigate the prevalence of endodontically treated teeth and apical periodontitis (AP) in a Danish population.

METHODOLOGY:

From Aarhus County 614 individuals were radiographically examined, and the frequency of endodontic treatment and periapical status of all teeth were assessed. The year of birth of the subjects ranged from 1935 to 1975. The chi-squared test was used to determine the significance of differences between males and females and amongst age and tooth groups for the following parameters: AP, the number of endodontically treated teeth, and the number of endodontically treated teeth with AP.

RESULTS:

A total of 15 984 teeth were examined; of these 538 (3.4%) had AP and 773 (4.8%) had been endodontically treated. Of the endodontically treated teeth, 404 (52.2%) had AP. Females had more endodontically treated teeth than males; otherwise, no effect of gender was observed. Significantly more molars (P < 0.01) had been endodontically treated (8.1%) compared to premolars (5.4%) and anterior teeth (2.5%). The prevalence of AP in connection with molars was significantly (P < 0.01) higher (7.0%) than premolars (2.8%) and anterior teeth (1.5%). The prevalence of endodontically treated teeth and of teeth with AP gradually increased with age.

CONCLUSIONS:

The average number of teeth, the number of teeth with AP and the number of teeth with endodontic treatment in Danish adults were comparable to findings in other European countries. The frequency of endodontically treated teeth with AP was found to be high compared to that demonstrated in other epidemiological studies.

[Indexed for MEDLINE]

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