Optimization Analysis of Two-Factor Continuous Variable between Thread Depth and Pitch of Microimplant under Toque Force

Table 1

The biomechanical parameters of the material.

	Young’s modulus (MPa)	Poisson’s ratio
Cortical bone	13,700	0.33
Cancellous bone	1,600	0.3
Micro-implant	110,000	0.35