Fig. 4From: Mechanical strength of stainless steel and titanium alloy mini-implants with different diameters: an experimental laboratory studySEM analysis of the red side of 1.5 mm diameter SS-MI (a) and TA-MI (b). a × 10 magnification image showing the entire MI thread. b, d, f Pre-insertion evaluation at × 60 magnification of MI threads at H1, H2, and H3. c, e, g Post-insertion evaluation at × 60 magnification of MI threads at H1, H2, and H3Back to article page