Fig. 1From: Comparison of insertion time, pull-out strength, and screw-media interface area of customized pedicle screw with different core and thread design against commercial pedicle screw: a pilot study on Indonesian PopulationDesign and final result of customized screw; A Cylinder core, B Square-thread cylinder-core and C Square-thread conical-core and commercially available pedicle screw (D) EXPEDIUM® 5,5 Spine System pedicle screw (DePuy Synthes, United States, California)Back to article page