试验结果表明：自攻自钻螺钉群连接件具有“群体折减效应”。
The destructive mechanism of self-drilling screws connection is recorded in the test.
目的设计与新型髓内钉相配套的双皮质自攻螺纹交锁螺钉，并对其生物力学性能进行对比研究。
ABSTRACT: Objective To compare the biomechanical characteristics by designing newly manufactured cortex self tapping interlocking screw matched with interlocking nail.
首先，对单颗自攻自钻螺钉连接件和自攻自钻螺钉群连接件进行了抗剪承载力试验研究。
The study's focus is describing the detailed results on bearing capacity of self-drilling screws connection by tests and numerical analysis. A more proper method is recommended.
不锈钢螺丝系列：内六角螺栓，紧钉螺钉，机螺钉，自攻钉，马车螺丝，膨胀螺丝，吊环螺丝，牙条，开口销，平垫，弹垫等。
Stainless steel screw, hex bolt series: tighten screw, machine screw, nail screw, self-tapping screw, expansion bolts, carriage, lifting eyebolt, a tooth, flat mat, play split cotters cushion etc.
我司主要生产M1.4-M6系列机螺钉、 自攻螺钉及三棱自攻锁紧螺钉，产品执行JIS标准、GB标准、ANSI标准、DIN标准，原材料选用优质的碳素钢、铜及不锈钢等。
The company is a manufacturer specialized in producing M1.4-M6 screws, tapping screws and three-edge thread forming screws according with the standard of JIS, GB, ANSI and DIN.
目的：应用自攻型微螺钉种植体作为支抗内收前牙，评价种植体支抗的疗效。
Conclusion:Self-tapping screw-type micro-implant could provide good control in the orthodontics treatment.
目的：应用自攻型微螺钉种植体作为支抗内收前牙，评价种植体支抗的疗效。
Conclusion:Self-tapping screw-type micro-implant could provide good control in the orthodontics treatment.
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