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ORIGINAL ARTICLE
Year : 2017  |  Volume : 7  |  Issue : 2  |  Page : 82-85

Prevalence of apical periodontitis in root canal-treated teeth from an urban Saudi female population: Influence of root canal fillings and coronal restorations


Department of Conservative Dentistry, College of Dentistry, Qassim University, Qassim, Saudi Arabia

Correspondence Address:
Dr. Durre Sadaf
Department of Conservative Dentistry, College of Dentistry, Qassim University, Mullaydha, Buraydha 51452, Qassim
Saudi Arabia
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijohs.ijohs_46_17

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Aim: The aim of this study is to determine the prevalence of apical periodontitis (AP) in root canal-treated teeth in females in Qassim region, Saudi Arabia and to evaluate the correlation of quality of the root canal fillings, coronal restorations (CRs), and cast restorations with the AP. Study Design: Cross-sectional retrospective study. Place and Duration: Female Dental Clinics at College of Dentistry at Qassim University, Saudi Arabia from January 2014 to February 2017. Materials and Methods: A total of 400 orthopantomograms were evaluated out of which root canal treatment (RCT) had been performed in 1108 teeth. Frequencies and percentages of quality of RCT, CR, and periapical status were recorded. Their association was recorded by Chi-square test and Pearson correlation was computed at significance level of 5%. Results: A total of 813 (73.4%) endodontically treated teeth presented with AP radiographically. The percentages of teeth which fulfilled the criteria of an acceptable RCT, CR, and cast restoration radiographically were 8.8%, 64%, and 93.6%, respectively. The incidence of AP among teeth with acceptable RCT (35.1%) was significantly lower than those with unacceptable RCT (77.1%) (P < 0.001). Moreover, adequate CR demonstrated a significantly better periapical status (60.2%) compared to teeth with inadequate CR (95%) (P < 0.001). The incidence of AP ranged from 24.1% (in acceptable RCT and CR cases) to 96.6% (in unacceptable RCT and CR cases) (P < 0.001). Adequate cast restoration demonstrated a better periapical status (76%) compared to teeth with inadequate cast restoration (87.5%). The incidence of AP ranged from 15.6% (in acceptable RCT and cast restoration cases) to 86.7% (in unacceptable RCT and cast restorations cases) (P < 0.001). Pearson correlation coefficient was computed. Length of obturation, density of root filling, quality of CR and quality of cast restoration were found to have highly significant positive correlation with AP (r = −0.375, r = −0.162, r = −0.118, r = −0.079, respectively). Conclusion: The prevalence of AP has been found 73.4% in root treated teeth. Quality of RCT, CR, and of cast restoration is significantly associated with periapical status in root-filled teeth.


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