Table 2 Pre-operative and peri-operative factor related to the duration until normal function and the duration until a pulp response
Time until normal function: N (%) | Time until pulp response: N (%) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Total (N) | 1 wk–3 m | > 3-6 m | > 6–12 m | p-value | 1 wk–3 m | > 3–6 m | > 6–12 m | p-value | |
Age (years) | |||||||||
< 18 | 15 | 11 (73.3) | 4 (26.7) | 0 | 1 | 9 (60.0) | 6 (40.0) | 0 | 1 |
≥ 18 | 35 | 24 (68.6) | 10 (28.6) | 1 (2.9) | 19 (54.3) | 14 (40.0) | 2 (5.7) | ||
Donor tooth | |||||||||
Maxilla | 33 | 24 (72.7) | 9 (27.3) | 0 | 0.467 | 19 (57.6) | 12 (36.4) | 2 (6.1) | 0.685 |
Mandible | 17 | 11 (64.7) | 5 (29.4) | 1 (5.9) | 9 (52.9) | 8 (47.1) | 0 | ||
Recipient site | |||||||||
Maxilla | 9 | 5 (55.6) | 4 (44.4) | 0 | 0.388 | 5 (55.6) | 3 (33.3) | 1 (11.1) | 0.422 |
Mandible | 41 | 30 (73.2) | 10 (24.4) | 1 (2.4) | 23 (56.1) | 17 (41.5) | 1 (2.4) | ||
Transplantation | |||||||||
Intra-arch | 24 | 14 (58.3) | 9 (37.5) | 1 (4.2) | 0.157 | 12 (50.0) | 11 (45.8) | 1 (4.2) | 0.775 |
Inter-arch | 26 | 21 (80.8) | 5 (19.2) | 0 | 16 (61.5) | 9 (34.6) | 1 (3.8) | ||
Root formation stage | |||||||||
Stage 1 + 2 | 7 | 4 (57.1) | 3 (42.9) | 0 | 0.773 | 5 (71.4) | 2 (28.6) | 0 | 0.086 |
Stage 3 | 33 | 24 (72.7) | 8 (24.2) | 1 (3.0) | 17 (51.5) | 16 (48.5) | 0 | ||
Stage 4 | 10 | 7 (70.0) | 3 (30.0) | 0 | 6 (60.0) | 2 (20.0) | 2 (20.0) | ||
Extra-Alveolar time | |||||||||
< 15 min | 27 | 19 (70.4) | 8 (29.6) | 0 | 1 | 15 (55.6) | 11 (40.7) | 1 (3.7) | 0.881 |
≥ 15 min | 15 | 10 (66.7) | 5 (33.3) | 0 | 9 (60.0) | 5 (33.3) | 1 (6.7) | ||
Bone removal | |||||||||
< 8 mm | 18 | 14 (77.8) | 4 (22.2) | 0 | 0.713 | 13 (72.2) | 4 (22.2) | 1 (5.6) | 0.330 |
≥ 8 mm | 25 | 16 (64.0) | 8 (32.0) | 1 (4.0) | 13 (52.0) | 11 (44.0) | 1 (4.0) | ||
Buccal plate covering the root | |||||||||
≥ 1/3 | 29 | 21 (72.4) | 7 (24.1) | 1 (3.4) | 0.856 | 18 (62.1) | 10 (34.5) | 1 (3.4) | 0.645 |
< 1/3 | 12 | 8 (66.7) | 4 (33.3) | 0 | 6 (50.0) | 5 (41.7) | 1 (8.3) | ||
No buccal plate | 9 | 6 (66.7) | 3 (33.3) | 0 | 4 (44.4) | 5 (55.6) | 0 | ||
Buccal gingival covering the crown | |||||||||
> 2/3 | 17 | 11 (64.7) | 5 (29.4) | 1 (5.9) | 0.966 | 9 (52.9) | 8 (47.1) | 0 | 0.488 |
(> 1/3–2/3) | 20 | 14 (70.0) | 6 (30.0) | 0 | 12 (60.0) | 6 (30.0) | 2 (10.0) | ||
≤ 1/3 | 11 | 8 (72.7) | 3 (27.3) | 0 | 5 (45.5) | 6 (54.5) | 0 | ||