Table 1 Migration pattern of the migrated cups.
Implant Number | ||||||
|---|---|---|---|---|---|---|
17 | 27 | 38 | 41 | 61 | 94 | |
x-migration (mm) | ||||||
Lateral | 0.5 | 0.3 | 0.0 | 0.0 | 0.0 | 2.8 |
Medial | 0.0 | 0.0 | 0.6 | 0.2 | 2.5 | 0.0 |
y-migration | ||||||
(mm) | ||||||
Cranial | 2.3 | 1.7 | 1.9 | 0.1 | 2.6 | 4.5 |
Caudal | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Inclination (°) | ||||||
Post surgery | 62.3 | 64.3 | 54.1 | 38.9 | 38.9 | 57.1 |
Change | + 0.0 | + 0.0 | - 0.3 | + 2.7 | - 6.3 | + 12.7 |
Anteversion (°) | ||||||
Post surgery | 5.9 | 20.5 | 18.0 | 18.0 | 3.4 | 9.9 |
Change | + 0.3 | + 0.1 | + 0.1 | + 0.8 | + 0.9 | + 12.9 |
Evidence of migration (months) | 8 | 12 | 13 | 2 | 17 | 2 |
Time of migration (months) | 14 | 6 | 13 | 4 | 21 | 10 |
Restabilisation | No | Yes | Yes | Yes | No | No |
Follow-up (months) | 14 | 36 | 25 | 69 | 21 | 10 |