Table 6.
Frequency of cortical bone perforation for 3.3/4.3 mm implants, for both prosthetically- and bone-driven positions, and the ILAA.
| Tooth | Prosthetically Driven | ILAA | Bone Driven | ||||
|---|---|---|---|---|---|---|---|
| No perforation | <2 mm | Perforation | No perforation | <2 mm | Perforation | ||
| n (%) | mean ± SD (min, max) | n (%) | |||||
| 13 | 0 (0) | 6 (9.5) | 57 (90.5) | 19.4 ± 7.2 (8.5, 35.5) | 29 (46.0) | 29 (46.0) | 5 (8.0) |
| 12 | 0 (0) | 20 (31.7) | 43 (68.3) | 19.8 ± 10.3 (7.7, 45.4) | 25 (39.7) | 35 (55.5) | 3 (4.8) |
| 11 | 1 (1.6) | 18 (28.6) | 44 (69.8) | 14.7 ± 7.7 (0, 29.5) | 24 (38.1) | 36 (57.1) | 3 (4.8) |
| 21 | 0 (0) | 11 (17.5) | 52 (82.5) | 15.5 ± 7.2 (5.6, 33.3) | 29 (46.0) | 33 (52.4) | 1 (1.6) |
| 22 | 0 (0) | 16 (25.4) | 47 (74.6) | 20.5 ± 7.6 (9.1, 38.9) | 22 (34.9) | 38 (60.3) | 3 (4.8) |
| 23 | 0 (0) | 12 (19.0) | 51 (81.0) | 18.8 ± 8.1 (7.8, 38.9) | 29 (46.0) | 29 (46.0) | 5 (8.0) |
| Total | 1 (0.3) | 83 (21.9) | 294 (77.8) | 18.1 ± 8.2 (0, 45.4) | 158 (41.8) | 200 (52.9) | 20 (5.3) |
ILAA—Implant-line A angle.