Research Article
Factors Affecting the Periapical Status of Root-Filled Canals: A Cross-Sectional Study at the Undergraduate Level
Table 6
Bivariate and multivariate logistic regression between independent variables and treatment failure (
= 154).
| Independent variables | Level | | Bivariate analysis | Multivariate analysis | OR | CI 95% | | OR | CI 95% | |
| Teeth group | Single-rooted (reference) | 113 | 1.00 | — | — | 1.00 | — | — | Two-rooted | 41 | 0.58 | 0.24–1.40 | 0.232 | 0.54 | 0.20–1.43 | 0.221 |
| Quality of root-filled canal
| “Perfect” (reference) | 64 | 1.00 | — | — | 1.00 | — | — | Satisfactory | 71 | 0.80 | 0.37–1.73 | 0.580 | 0.69 | 0.29–1.64 | 0.405 | Poor | 19 | 1.08 | 0.62–1.89 | 0.771 | 1.31 | 0.67–2.53 | 0.420 |
| Quality of coronal restorations | Adequate (reference) | 48 | 1.00 | — | — | 1.00 | — | — | Inadequate | 81 | 1.17 | 0.51–2.71 | 0.702 | 0.80 | 0.29–2.19 | 0.668 |
| Carious lesion | Absent (reference) | 109 | 1.00 | — | — | 1.00 | — | — | Present | 45 | 2.89 | 1.35–6.14 | 0.006 | 2.97 | 1.21–7.28 | 0.017 |
| Bleeding on probing | Absent (reference) | 105 | 1.00 | — | — | 1.00 | — | — | Present | 49 | 2.38 | 1.13–5.02 | 0.021 | 2.45 | 1.02–5.84 | 0.043 |
| Tooth mobility | Absent (reference) | 136 | 1.00 | — | — | 1.00 | — | — | Present | 18 | 3.25 | 1.18–8.88 | 0.022 | 4.23 | 1.23–14.51 | 0.022 |
| Periodontal disease | Absent (reference) | 120 | 1.00 | — | — | 1.00 | — | — | Present | 34 | 0.81 | 0.33–1.97 | 0.644 | 0.34 | 0.10–1.11 | 0.076 |
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Note. Statistical significance; OR, Odds Ratio; CI, confidence interval.
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