Results 301 to 310 of about 3,200,705 (362)
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Journal of Applied Physics, 1970
Fracture of bone is investigated by measuring the energy required to propagate a crack and by observing, microscopically, the mechanism of fracture. At low strain rates bone displays very high resistance to crack propagation comparable even to some metallic materials. The type of fracture is similar to fiber-reinforced composite materials.
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Fracture of bone is investigated by measuring the energy required to propagate a crack and by observing, microscopically, the mechanism of fracture. At low strain rates bone displays very high resistance to crack propagation comparable even to some metallic materials. The type of fracture is similar to fiber-reinforced composite materials.
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Ballistic Fractures: Indirect Fracture to Bone
Journal of Trauma: Injury, Infection & Critical Care, 2011Two mechanisms of injury, the temporary cavity and the sonic wave, have been proposed to produce indirect fractures as a projectile passes nearby in tissue. The purpose of this study is to evaluate the temporal relationship of pressure waves using strain gauge technology and high-speed video to elucidate whether the sonic wave, the temporary cavity, or
Paul J, Dougherty +3 more
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Pediatric temporal bone fractures
The Laryngoscope, 1992AbstractTwenty‐seven temporal bone fractures in 25 pediatric patients were evaluated over a 6‐year period. The diagnosis was confirmed with otoscopy and high‐resolution computed tomography scans (HRCT). Three‐dimensional reconstruction of high‐resolution computed tomography scans were used to aid in the diagnosis.
W T, Williams +2 more
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Current Problems in Diagnostic Radiology, 1999
High-resolution technique is essential to the evolution of temporal bone fractures. Axial and coronal scan planes are optimal but may not be possible in acutely traumatized patients. A knowledge of normal temporal bone anatomy is important and can be obtained from standard texts, so it will not be considered in detail in this article.
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High-resolution technique is essential to the evolution of temporal bone fractures. Axial and coronal scan planes are optimal but may not be possible in acutely traumatized patients. A knowledge of normal temporal bone anatomy is important and can be obtained from standard texts, so it will not be considered in detail in this article.
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Archives of Otolaryngology - Head and Neck Surgery, 1950
THE OTOLARYNGOLOGIST by his training and his special knowledge of the malar-zygomatic region is keenly interested in the subject of trauma to this area. It seems paradoxical that the literature most frequently read by him should contain only rare reference pertaining to the diagnosis and the treatment of these injuries.
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THE OTOLARYNGOLOGIST by his training and his special knowledge of the malar-zygomatic region is keenly interested in the subject of trauma to this area. It seems paradoxical that the literature most frequently read by him should contain only rare reference pertaining to the diagnosis and the treatment of these injuries.
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Pediatric Temporal Bone Fractures
The Laryngoscope, 1998AbstractObjective: To examine the etiology, presentation, and management of temporal bone fractures in children.Study Design: Case control.Method: Retrospective review of a level I pediatric trauma center from July 1, 1990 to November 1, 1996 identified 680 patients.
D, Lee +3 more
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Floating Petrous Bone Fracture
Otolaryngology–Head and Neck Surgery, 1989Floating petrous bone fracture appears to occur when the elastic pediatric skull is subjected to large compressive forces. Unlike a longitudinal fracture, a floating petrous bone fracture does not involve the ear canal and squamous cortex. Rather, the fracture line runs through the middle ear, separating the petrous apex from its lateral and inferior ...
W, Merwin, M, May, H D, Curtin
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Bone architecture and fracture
Current Osteoporosis Reports, 2005Bones are designed to carry out their requirements effectively. One of these requirements is to resist fracture. Two other important requirements are to be stiff and to be light. Few theories of adaptive modeling distinguish modeling for adequate stiffness from modeling for adequate strength. Bones achieve their architecture partially through genetics,
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Current Opinion in HIV and AIDS, 2011
This review details recent findings from cohort studies that inform the prevalence, incidence and effects of antiretroviral therapy (ART) and HIV infection on low bone mineral density (BMD), osteoporosis and fractures in different populations of HIV-infected individuals. Although ART has been spectacularly effective in prevention of disease progression
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This review details recent findings from cohort studies that inform the prevalence, incidence and effects of antiretroviral therapy (ART) and HIV infection on low bone mineral density (BMD), osteoporosis and fractures in different populations of HIV-infected individuals. Although ART has been spectacularly effective in prevention of disease progression
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Septal Fracture in Simple Nasal Bone Fracture
Plastic and Reconstructive Surgery, 2004Nasal bone fractures are the most common type of facial fractures. Previous studies have shown that most nasal fractures involve the septum, which can provide an obstacle to the successful reduction of nasal bone fractures. In particular, septal fractures in combination with simple nasal bone fractures are usually unrecognized and untreated at the time
Seung Chul, Rhee +4 more
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