2. Chen CS, Chen WJ, Cheng CK, Jao SH, Chueh SC, Wang CC. Failure analysis of broken pedicle screws on spinal instrumentation. Med Eng Phys 2005 27:487–496. PMID:
15990065.
3. Gaines RW Jr. The use of pedicle-screw internal fixation for the operative treatment of spinal disorders. J Bone Joint Surg Am 2000 82:1458–1476. PMID:
11057475.
4. Hsu CC, Chao CK, Wang JL, Hou SM, Tsai YT, Lin J. Increase of pullout strength of spinal pedicle screws with conical core: biomechanical tests and finite element analyses. J Orthop Res 2005 23:788–794. PMID:
16022991.
5. Amaritsakul Y, Chao CK, Lin J. Comparison study of the pullout strength of conventional spinal pedicle screws and a novel design in full and backed-out insertions using mechanical tests. Proc Inst Mech Eng H 2014 228:250–257. PMID:
24496916.
6. Hu SS. Internal fixation in the osteoporotic spine. Spine (Phila Pa 1976) 1997 22(24 Suppl): 43S–48S. PMID:
9431644.
7. Okuda S, Miyauchi A, Oda T, Haku T, Yamamoto T, Iwasaki M. Surgical complications of posterior lumbar interbody fusion with total facetectomy in 251 patients. J Neurosurg Spine 2006 4:304–309. PMID:
16619677.
8. Chapman JR, Harrington RM, Lee KM, Anderson PA, Tencer AF, Kowalski D. Factors affecting the pull-out strength of cancellous bone screws. J Biomech Eng 1996 118:391–398. PMID:
8872262.
9. Kwok AW, Finkelstein JA, Woodside T, Hearn TC, Hu RW. Insertional torque and pull-out strengths of conical and cylindrical pedicle screws in cadaveric bone. Spine (Phila Pa 1976) 1996 21:2429–2434. PMID:
8923627.
10. Lee WT, Koak JY, Lim YJ, Kim SK, Kwon HB, Kim MJ. Stress shielding and fatigue limits of poly-etherether-ketone dental implants. J Biomed Mater Res B Appl Biomater 2012 100:1044–1052. PMID:
22331553.
11. Fujibayashi S, Takemoto M, Neo M, Matsuda S. Strategy for salvage pedicle screw placement: a technical note. Int J Spine Surg 2013 7:e67–e71. PMID:
25694906.
12. Santoni BG, Hynes RA, McGilvray KC, et al. Cortical bone trajectory for lumbar pedicle screws. Spine J 2009 9:366–373. PMID:
18790684.
13. Chao CK, Hsu CC, Wang JL, Lin J. Increasing bending strength and pullout strength in conical pedicle screws: biomechanical tests and finite element analyses. J Spinal Disord Tech 2008 21:130–138. PMID:
18391719.
14. Hsu CC, Wang JL, Hou SM, Chao CK, Lin J. Pushout strength of tibial locking screws: development of finite element models. J Taiwan Inst Chem Eng 2003 26:817–823.
15. Kim YY, Choi WS, Rhyu KW. Assessment of pedicle screw pullout strength based on various screw designs and bone densities-an ex vivo biomechanical study. Spine J 2012 12:164–168. PMID:
22336467.
16. Chao KH, Lai YS, Chen WC, et al. Biomechanical analysis of different types of pedicle screw augmentation: a cadaveric and synthetic bone sample study of instrumented vertebral specimens. Med Eng Phys 2013 35:1506–1512. PMID:
23669371.
17. ASTM F1839-97. Standard specification for rigid polyurethane foam for use as a standard material for testing orthopaedic devices and instruments. West Conshohocken, PA: ASTM International; 2001.
18. Montgomery DC. Design and analysis of experiments. Estados Unidos: John Wiley & Sons; 2006.
19. Mitra SR, Datir SP, Jadhav SO. Morphometric study of the lumbar pedicle in the Indian population as related to pedicular screw fixation. Spine (Phila Pa 1976) 2002 27:453–459. PMID:
11880829.
20. ASTM F543-02. Standard specification and test methods for metallic medical bone screws. West Conshohocken, PA: ASTM International; 2002.
21. Patel PS, Shepherd DE, Hukins DW. The effect of screw insertion angle and thread type on the pullout strength of bone screws in normal and osteoporotic cancellous bone models. Med Eng Phys 2010 32:822–828. PMID:
20558097.
22. Inceoglu S, Ferrara L, McLain RF. Pedicle screw fixation strength: pullout versus insertional torque. Spine J 2004 4:513–518. PMID:
15363421.
23. Ponnusamy KE, Iyer S, Gupta G, Khanna AJ. Instrumentation of the osteoporotic spine: biomechanical and clinical considerations. Spine J 2011 11:54–63. PMID:
21168099.
24. Lehman RA Jr, Polly DW Jr, Kuklo TR, Cunningham B, Kirk KL, Belmont PJ Jr. Straight-forward versus anatomic trajectory technique of thoracic pedicle screw fixation: a biomechanical analysis. Spine (Phila Pa 1976) 2003 28:2058–2065. PMID:
14501914.
25. Polly DW Jr, Orchowski JR, Ellenbogen RG. Revision pedicle screws. Bigger, longer shims--what is best? Spine (Phila Pa 1976) 1998 23:1374–1379. PMID:
9654629.
26. Kang DG, Lehman RA Jr, Wagner SC, et al. Pedicle screw reinsertion using previous pilot hole and trajectory does not reduce fixation strength. Spine (Phila Pa 1976) 2014 39:1640–1647. PMID:
24979143.