Table 1.

Axial pull-out force change during screw material resorption (mean ± standard deviation).

Time [Weeks]	MgYREZr [N]	PLGA [N]	Note
0	399 ± 7.5	138 ± 26.5	p < 0.01
2	367 ± 28.6	147 ± 4.3	p < 0.01
4	249 ± 34.2	143 ± 11.0	p < 0.01
8	118 ± 71.1	97 ± 17.3	NS
12	201 ± 27.1	72 ± 27.2	p < 0.01
16	102 ± 36.4	49 ± 7.0	p < 0.01

MgYREZr—magnesium alloy screw. PLGA—poly(lactic-co-glycolic acid) screw. NS—no statistical significance.