Table 3.
Relationship between PCO and clinical and radiographic complications in the primary dentition
| Variables | Pulp canal obliteration | |||
|---|---|---|---|---|
|
| ||||
| Total n (%) | No n (%) | Yes n (%) | P-value | |
| Crown discoloration | ||||
| Yes | 81 (100%) | 70 (86.4%) | 11 (13.6%) | |
| No | 290 (100%) | 283 (97.6%) | 7 (2.4%) | <0.01 ** |
| Loosening | ||||
| Yes | 19 (100%) | 19 (100%) | 0 (0%) | |
| No | 352 (100%) | 334 (94.9%) | 18 (5.1%) | 0.61** |
| Internal root resorption | ||||
| Yes | 2 (100%) | 2 (100%) | 0 (0%) | |
| No | 369 (100%) | 351 (95.1%) | 18 (4.9%) | 1.00** |
| External root resorption | ||||
| Yes | 22 (100%) | 21 (95.5%) | 1 (4.5%) | |
| No | 349 (100%) | 332 (95.1%) | 17 (4.9%) | 1.00** |
| Thickening of the periodontal ligament | ||||
| Yes | 24 (100%) | 22 (91.7%) | 2 (8.3%) | |
| No | 347 (100%) | 331 (95.4%) | 16 (4.6%) | 0.412** |
| Physiological root resorption acceleration | ||||
| Yes | 37 (100%) | 32 (86.5%) | 5 (13.5%) | |
| No | 334 (100%) | 321 (96.1%) | 13 (3.9%) | 0.01 * |
| Periapical lesion | ||||
| Yes | 3 (100%) | 3 (100%) | 0 (0%) | |
| No | 368 (100%) | 350 (95.1%) | 18 (4.9%) | 1.00** |
| Tooth ankylosis | ||||
| Yes | 3 (100%) | 3 (100%) | 0 (0%) | |
| No | 368 (100%) | 350 (95.1%) | 18 (4.9%) | 1.00** |
| Pulp necrosis | ||||
| Yes | 0 (0%) | 0 (0%) | 0 (0%) | |
| No | 371 (100%) | 353 (95.1%) | 18 (4.9%) | --- |
*
Chi-square test;
**
Fisher’s exact test.
P<0.05. Bold denotes statistical association.