Table 2.
Insertion torque value in different bone types (Ncm)
| Cylindrical implant | Tapered implant | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Cortical bone thickness (mm) | Cancellous bone density (g/cm3) | P | LM/L | Cortical bone thickness (mm) | Cancellous bone density (g/cm3) | P | LM/L | ||
| 0.16 | 0.32 | 0.16 | 0.32 | ||||||
| 0 | 4.3 | 33.7 | <0.01 | 7.84 | 0 | 4.6 | 34.6 | <0.01 | 7.52 |
| 1 | 10.2 | 34.6 | <0.01 | 3.39 | 1 | 13.4 | 45.8 | <0.01 | 3.42 |
| P | <0.01 | 0.561 | P | <0.01 | <0.01 | ||||
| Tcor 1/Tcor 0 | 2.37 | 1.03 | Tcor 1/Tcor 0 | 2.91 | 1.32 | ||||
L: Low-density cancellous bone; LM: Low- to medium-density cancellous bone; Tcor 0: Cortical bone thickness of 0 mm; Tcor 1: Cortical bone thickness of 1 mm