Table 2 The influence of aetiology and diagnosis on root changes after REPs
Factors | Categories | Type I n = 86 | Type II n = 9 | Type III n = 9 | Type IV n = 12 | In total n = 116 | P△ |
|---|---|---|---|---|---|---|---|
Aetiology | Dens evaginatus | 71 (86.6%) | 8 (9.8%) | 2 (2.4%) | 1 (1.2%) | 82 (70.7%) | < 0.001*** |
Trauma | 15 (44.1%) | 1 (2.9%) | 7 (20.6%) | 11 (32.4%) | 34 (29.3%) | ||
Diagnosis | Symptomatic apical periodontitis | 14 (77.8%) | 0 (0.0%) | 3 (16.7%) | 1 (5.6%) | 18 (15.5%) | 0.608 |
Asymptomatic apical periodontitis | 56 (72.7%) | 6 (7.8%) | 6 (7.8%) | 9 (11.7%) | 77 (66.4%) | ||
Acute apical abscess | 4 (80.0%) | 1 (20.0%) | 0 (0.0%) | 0 (0.0%) | 5 (4.3%) | ||
Chronic apical abscess | 12 (75.0%) | 2 (12.5%) | 0 (0.0%) | 2 (12.5%) | 16 (13.8%) |