Table 3 Pre-operative and peri-operative factors related to radiographic outcomes
Time to complete trabeculation with lamina dura: N (%) | Time to pulp obliteration: N (%) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Total (N) | 1 wk–3 m | > 3–6 m | > 6–12 m | p-value | 1wk–3 m | > 3–6 m | > 6–12 m | p-value | |
Age (years) | |||||||||
< 18 | 15 | 2 (13.3) | 7 (46.7) | 6 (40.0) | 0.717 | 12 (80.0) | 3 (20.0) | 0 | 0.527 |
≥ 18 | 35 | 2 (5.7) | 16 (45.7) | 17 (48.6) | 21 (60.0) | 13 (37.1) | 1 (2.9) | ||
Donor tooth | |||||||||
Maxilla | 33 | 2 (6.1) | 14 (42.4) | 17 (51.5) | 0.505 | 23 (69.7) | 9 (27.3) | 1 (3.0) | 0.685 |
Mandible | 17 | 2 (11.8) | 9 (52.9) | 6 (35.3) | 10 (58.8) | 7 (41.2) | 0 | ||
Recipient site | |||||||||
Maxilla | 9 | 1 (11.1) | 5 (55.6) | 3 (33.3) | 0.689 | 9 (100) | 0 | 0 | 0.035* |
Mandible | 41 | 3 (7.3) | 18 (43.9) | 20 (48.8) | 24 (58.5) | 16 (39.0) | 1 (2.4) | ||
Transplantation | |||||||||
Intra-arch | 24 | 3 (12.5) | 12 (50.0) | 9 (37.5) | 0.349 | 17 (70.8) | 7 (29.2) | 0 | 0.876 |
Inter-arch | 26 | 1 (3.8) | 11 (42.3) | 14 (53.8) | 16 (61.5) | 9 (34.6) | 1 (3.8) | ||
Root formation stage | |||||||||
Stage 1 + 2 | 7 | 0 | 3 (42.9) | 4 (57.1) | 1 | 4 (57.1) | 3 (42.9) | 0 | 0.88 |
Stage 3 | 33 | 3 (9.1) | 15 (45.5) | 15 (45.5) | 22 (66.7) | 10 (30.3) | 1 (3.0) | ||
Stage 4 | 10 | 1 (10.0) | 5 (50.0) | 4 (40.0) | 7 (70.0) | 3 (30.0) | 0 | ||
Extra-Alveolar time | |||||||||
< 15 min | 27 | 1 (3.7) | 11 (40.7) | 15 (55.6) | 0.203 | 18 (66.7) | 8 (29.6) | 1 (3.7) | 1 |
≥ 15 min | 15 | 0 | 10 (66.7) | 5 (33.3) | 10 (66.7) | 5 (33.3) | 0 | ||
Bone removal | |||||||||
< 8 mm | 18 | 2 (11.1) | 8 (44.4) | 8 (44.4) | 0.646 | 13 (72.2) | 5 (27.8) | 0 | 1 |
≥ 8 mm | 25 | 1 (4.0) | 13 (52.0) | 11 (44.0) | 17 (68.0) | 7 (28.0) | 1 (4.0) | ||
Buccal plate covering the root | |||||||||
≥ 1/3 | 29 | 3 (10.3) | 11 (37.9) | 15 (51.7) | 0.519 | 21 (72.4) | 7 (24.1) | 1 (3.4) | 0.534 |
< 1/3 | 12 | 0 | 8 (66.7) | 4 (33.3) | 6 (50.0) | 6 (50.0) | 0 | ||
No buccal plate | 9 | 1 (11.1) | 4 (44.4) | 4 (44.4) | 6 (66.7) | 3 (33.3) | 0 | ||
Buccal gingival covering the crown | |||||||||
> 2/3 | 17 | 3 (17.6) | 5 (29.4) | 9 (52.9) | 0.386 | 11 (64.7) | 5 (31.3) | 1 (5.9) | 0.91 |
(> 1/3–2/3) | 20 | 1 (5.0) | 11 (55.0) | 8 (40.0) | 13 (65.0) | 7 (35.0) | 0 | ||
≤ 1/3 | 11 | 0 | 6 (54.5) | 5 (45.5) | 8 (72.7) | 3 (27.3) | 0 | ||