Influence of intracanal post on apical periodontitis identified by cone-beam computed tomography

Abstract

The determination of the success of endodontic treatment has been often discussed based on outcome obtained by periapical radiography. The aim of this study was to verify the influence of intracanal post on apical periodontitis detected by cone-beam computed tomography (CBCT). A consecutive sample of 1020 images (periapical radiographs and CBCT scans) taken from 619 patients (245 men; mean age, 50.1 years) between February 2008 and September 2009 were used in this study. Presence and intracanal post length (short, medium and long) were associated with apical periodontitis (AP). Chi-square test was used for statistical analyses. Significance level was set at p<0.01. The kappa value was used to assess examiner variability. From a total of 591 intracanal posts, AP was observed in 15.06%, 18.78% and 7.95% using periapical radiographs, into the different lengths, short, medium and long, respectively (p=0.466). Considering the same posts length it was verified AP in 24.20%, 26.40% and 11.84% observed by CBCT scans, respectively (p=0.154). From a total of 1,020 teeth used in this study, AP was detected in 397 (38.92%) by periapical radiography and in 614 (60.19%) by CBCT scans (p<0.001). The distribution of intracanal posts in different dental groups showed higher prevalence in maxillary anterior teeth (54.79%). Intracanal posts lengths did not influenced AP. AP was detected more frequently when CBCT method was used.

Relationship between quality of root canal obturation and periapical lesion in elderly patients: a systematic review

“…Therefore, the abstracts of 1097 studies were read. A total of 1022 references were excluded on the basis of their titles and/or abstracts, and 75 were selected for full analysis, but no study could be included in the present systematic review (Fig. ).…”

“…This cannot be considered a problem of delineation, as none of the articles had the objective of studying therapeutic outcomes in elderly populations. Several articles did not mention the method used to assess the quality of endodontic treatments.…”

Applications of Cone Beam Computed Tomography in Endodontics: A Review

“…Recently a periapical index based on cone beam-computed tomography (CBCTPAI) for identification of apical periodontitis has been proposed. The CBCT PAI is a 6-point (0-5) scoring system calculated from determining the largest lesional measurement in either the buccopalatal, mesio-distal, or axial dimension or taking into account expansion and destruction of cortical bone [8][9][10][11][12][13][14] (Table 2).…”

Descriptive study of apical periodontitis detected in Cone Beam Computed Tomography scans

“…According to several studies, the probability of apical periodontitis existing and not being identified by periapical or panoramic radiography, is considerable [2][3][4] . On the other hand, cone beam computed tomography (CBCT) images are high resolution 1,3,5 , permitting a more precise identification of the apical periodontitis (AP), providing more effective information about the size and location, since the superimposition of the neighboring anatomical structures [1][2][3][4][6][7][8][9][10][11][12][13][14][15] is eliminated.…”