The appropriate starting site for removal of posterior cortex and ILM should be the site without inner layer retinoschisis.
合理剥除后皮质与内界膜起始点,应在未发生内层劈裂处。
Of these 98 anterior sacral injuries, 47 (48.0%) were complete, passing through the sacrum and exiting the posterior cortex.
在上述98例骶骨前部损伤中,47(48.0%)处为完全损伤,其骨折线贯穿骶骨、穿出后方皮质。
But should notice the influence with pullout testing, the scope of biting away the posterior cortex should not exceed the screw's diameter.
但应注意咬除皮质的范围不应超过螺钉的直径否则会降低拔出力。
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