نتایج جستجو برای: both bone fracture
تعداد نتایج: 2195835 فیلتر نتایج به سال:
Microdamage resulting from fatigue or 'wear and tear' loading contributes to bone fragility; however, the full extent of its influence is not completely understood. Linear microcracks (∼50-100 μm) and diffuse damage (clusters of sublamellar-sized cracks) are the two major bone microdamage types, each with different mechanical and biological consequences. Healthy bone, due to its numerous micros...
PURPOSE This study examined patients with facial bone fracture visiting Pusan National University Dental Hospital to understand the trends, and to enhance appropriate care and treatment for patients with facial bone fracture. METHODS We investigated 531 patients presenting with facial bone fracture in Yangsan and 802 patients in Busan from January 2010 to December 2013. We divided the patient...
Purpose: To investigate the effect of bovine bone morphogenetic proteins (bBMPs) bound to hydroxyapatite plus collagen in the healing of unstable radius fractures. Methods: A transverse fracture was induced at the mid of the diaphysis in both radii on 15 Norfolk rabbits with average age of 5.5 months and 3.5kg. A mixture of bBMPs bound to thin powdered hydroxyapatite (bBMP-HA) and bovine collag...
Introduction: Osteoporosis is an important health issue in the world and its prevalence is increasing. Osteoporosis is known as silent disease, because is usually diagnosed after fractures. The aim of current study was to assess the bone density in post menopause women referred to Shahid Mohammad hospital, Bandar Abbas, in 2010. Methods: This descriptive, cross sectional study was done on post ...
introduction : osteoporosis is characterized by low bone density and increase in the risk of fracture. because in pregnancy and lactation there are many factors which influence bone mineral density, we sought to assess whether the accumulation of multiple pregnancies and the accompanying extended periods of lactation were a risky factor for low bone mineral density and osteoporosis. materials &...
Osteoporosis is a disorder characterized by reduced bone strength, diminished bone density, and altered macrogeometry and microscopic architecture. Adult bone mass is the integral measurement of the bone mass level achieved at the peak minus the rate and duration of subsequent bone loss. There is clearly a genetic predisposition to attained peak bone mass, which occurs by a person's mid-20s. Bo...
There have been reports both supporting and refuting an inverse relationship between hip fracture and hip osteoarthritis (OA). We have investigated this relationship using histomorphometric study of femoral head subchondral bone. We studied 74 subjects with hip fracture (74% females) and 24 subjects with osteoarthritis (45% females). By histomorphometric analysis of parafined sections, we analy...
Introduction Open femoral fractures are relatively uncommon occurrences, with few reports addressing their management. They are caused by high-energy mechanisms, and bone loss is a possible, but infrequent occurrence. We present a case in which two friends, 20- and 21-year-old males, were involved in a motorcycle collision. A large piece of bone was ejected from one patient's femur as a bony pr...
Serum parathyroid hormone (PTH) and calcitonin (CT) levels in fractured racehorses were measured by radioimmunoassay. Racehorses with fracture of large bone such as the radius, third metacarpus, third carpus, digital bone or tibia, showed normal PTH level and elevated CT level in the serum. Serum PTH level was slightly higher in racehorses with sesamoid bone fracture compared to that of healthy...
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