Table 4 Bone-quality coefficients for thread-cutting
From: Oblique Cutting Based Mechanical Model for Insertion Torque of Dental Implant
Group | a0 | a1 | a2 | a3 | b0 | b1 | b2 | b3 |
|---|---|---|---|---|---|---|---|---|
1 | 14.6 | 0.17 | 0.44 | 0.03 | 12.9 | 0.02 | 0.17 | 0.003 |
2 | 16.7 | 0.37 | 0.77 | 0.07 | 13.2 | 0.02 | 0.18 | 0 |
3 | 58.1 | 4.81 | 8.19 | 0.86 | 52.8 | 4.43 | 7.29 | 0.795 |