Results 251 to 260 of about 248,535 (303)
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Vertebral compression fracture rules
The Spine Journal, 2014COMMENTARY ON Postacchini R, Paolino M, Faraglia S, et al. Assessment of patient's pain-related behavior at physical examination may allow diagnosis of recent osteoporotic vertebral fracture. Spine J. 2013;13:1126–33.
Michael P, Stauff, Eugene J, Carragee
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Dorsal fractures of the triquetrum—avulsion or compression fractures?
The Journal of Hand Surgery, 1987In 76 wrists, which had a dorsal fracture of the os triquetrum, the mean size of the ulnar styloid process was radiologically measured and found to be significantly larger (p less than 0.0001) that those in a control group of 100 noninjured hands. This finding supports the view that such injuries are not avulsions, as they are assumed to be, but are ...
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Compression osteosynthesis in mandibular fractures
International Journal of Oral and Maxillofacial Surgery, 1986A study of the results of 26 cases of mandibular fracture treated by dynamic compression osteosynthesis by means of compression plates is presented. The advantages and disadvantages and complications of this technique are discussed.
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Compression Fixation of Bennett's Fracture
Acta Orthopaedica Scandinavica, 1977A procedure that ensures exact reduction and internal fixation of Bennett's fracture is presented. In cases with a large tubercular fragment, the internal fixation is performed with a lag-screw technique. If the fragment is small, a Kirschner wire is used as an implant. A special set of instruments that keeps the reduced fragment in position and guides
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Brittle fracture in compression
International Journal of Fracture, 1974The initiation and propagation of microfractures and their contribution to material failure in compression are examined. The early part of the fracture process, the lateral and the axial yield points of the stress-strain curves, are identified with the onset of microfracture, respectively at the tensile and the compressive stress concentrations of the ...
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Brittle fracture in compression
International Journal of Fracture Mechanics, 1972The apparent paradox of two theories of fracture depending on whether the applied load is tensile or compressive is resolved. Although in compression, fracture seems to occur when the maximum tensile stress around a hole reaches a critical value it is suggested that fracture occurs when the crack extension force at the tip of a microcrack in the ...
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Effect of confining pressure on the compression-shear fracture properties of sandstone
Theoretical and Applied Fracture Mechanics, 2023Wen Hua, Xi Chen, Shiming Dong
exaly