Research Article
Postendodontic Pain after Pulpotomy or Root Canal Treatment in Mature Teeth with Carious Pulp Exposure: A Multicenter Randomized Controlled Trial
Table 2
Baseline characteristics and preoperative conditions in the three study arms.
| | Preoperative factors | RCT (n = 168) | PMTA (n = 188) | PCEM (n = 194) | Test | value |
| | Pain intensity, 0–9 scale (mean ± SE) | 3.95 ± 0.21 | 3.95 ± 0.20 | 3.94 ± 0.19 | ANOVA | 0.998 | | 95% Confidence Interval (CI) for Mean | 3.54–4.37 | 3.56–4.35 | 3.55–4.33 | | |
| | Distribution of teeth, N (%) | | Maxilla | 76 (45.2) | 87 (46.3) | 88 (45.4) | χ2 | 0.976 | | Mandible | 92 (54.8) | 101 (53.7) | 106 (54.6) |
| | First molar | 95 (56.5) | 105 (55.9) | 107 (55.2) | Fisher | 0.806 | | Second molar | 71 (42.3) | 80 (42.6) | 81 (41.8) | | Third molar | 2 (1.2) | 3 (1.6) | 6 (3.1) |
| | Characteristics of teeth, N (%) | | With occlusal contact | 155 (92.3) | 168 (89.4) | 175 (90.2) | χ2 | 0.602 | | Without occlusal attrition | 161 (95.8) | 181 (96.3) | 183 (94.3) | Fisher | 0.881 | | Presence of coronal restoration | 41 (24.4) | 39 (20.7) | 44 (22.7) | χ2 | 0.714 |
| | Electric pulp testing (mean ± SE) | 7.52 ± 0.70 | 6.64 ± 0.53 | 7.36 ± 0.63 | ANOVA | 0.570 | | N (%) | 166 (98.8) | 188 (100.0) | 192 (99.0) | Fisher | 0.468 |
| | Cold testing (normal response), N (%) | 124 (73.8) | 132 (70.2) | 142 (73.2) | Fisher | 0.388 |
| | Widening of PDL, N (%) | 11 (6.5) | 13 (6.9) | 12 (6.2) | χ2 | 0.969 |
| | Symptomatic irreversible pulpitis, N (%) | 37 (22.0) | 49 (26.6) | 45 (23.2) | Fisher | 0.388 | | Symptomatic apical periodontitis, N (%) | 23 (13.7) | 23 (12.2) | 20 (10.4) | χ2 | 0.662 |
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