Table 1. The variables for outcome assessment.
| Variables | Abbreviation | Unit | Calculation* |
| Fraction of Diffuse Damage Area | Fc.DDx.Ar | % | DDx.Ar/B.Ar |
| Fraction of Diffuse Damage Length | Fc.DDx.L | % | DDx.L/BE.L |
| Diffuse Damage Thickness | DDx.Th | µm | |
| Linear Crack Density | LCr.Dn | #/mm2 | LCr.N/B.Ar |
| Linear Crack Surface Density | LCr.S.Dn | µm2/mm2 | (LCr.N*LCr.L)/B.Ar |
| Resorption Cavity Density | RC.Dn | #/mm2 | RC.N/B.Ar |
| Fraction of Resorption Cavity Area | Fc.RC.Ar | % | RC.Ar/B.Ar |
| Resorption Cavity Area | RC.Ar | µm2 | |
| Distance between Resorption Cavity and Bone Edge | RC-BE.Dis | µm |
*B.Ar: Area of peri-screw bone; DDx.Ar: Area of diffuse damage; DDx.L: Length of diffuse damage; BE.L: Length of bone edge; LCr.N: Number of linear cracks; LCr.L: Length of linear cracks; RC.N: Number of resorption cavities; RC.Ar: Area of resorption cavities.