Research Article
Repair of Cranial Defects in Rabbits with 3D-Printed Hydroxyapatite/Polylactic Acid Composites
Table 1
Mean values from hardness tests of the experimental group, control group, and normal group at 30 days and 90 days after surgeries.
| Group | Mean (hv0.05) | Standard deviation | Standard error of the mean |
| 30 days | | | | Experimental group | 10.83480 | 0.976071 | .180031 | Control group | 15.70360 | 1.017893 | .184015 | Normal group | 22.09820 | .605393 | .128787 | 90 days | | | | Experimental group | 24.44777 | 2.778524 | .489029 | Control group | 23.78440 | 2.520406 | .441904 | Normal group | 23.90140 | 1.158265 | .209643 |
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