Table 1.

The parameters of micro-implants.

Micro-implants	A	B	C
Inner diameter (mm)	0.79	1.05	0.98
Outer diameter (mm)	1.50	1.57	1.52
Inner diameter/	0.53	0.67	0.64
Outer diameter ratio
Thread pitch (mm)	0.76	0.73	0.69
Thread depth (mm)	0.35	0.26	0.27
Apical facing angle; Degree	37.0	29.6	35.0
Coronal face angle; Degree	15.5	23.0	14.0