نتایج جستجو برای: small bone
تعداد نتایج: 1073633 فیلتر نتایج به سال:
osteosarcoma (os) is the eighth common cancer of childhood and its incidence is 4 cases in one million in children younger than 14. facial os incidence is estimated between 8 and 10% of os cases. the main etiology of os is unknown, but various predisposing factors are proposed such as radiation, radiotherapy, some benign bone diseases like paget’s disease or fibrous dysplasia. there is a 5-year...
PURPOSE Bone collectors are used to harvest bone debris for grafting procedures during implant surgery. The particulate bone debris gathered through filtration has been frequently used in minor regenerative surgical procedures. Nevertheless, the biological potency of such grafts is still unclear. The objective of this study was to systematically review the use of bone collectors in implant dent...
Background and purpose: Non::union:: of bone fracture is a clinical and treatment challenge. Satisfactory repair of orthopedic fractures is of great importance and systemic treatment is used to achieve this goal. This study aimed to investigate the effect of Teriparatide (CinnoPar®) on non::union:: fractures. Materials and methods: A quasi-experimental study was conducted in 17 patients with n...
Animal models have been widely used to correlate in vivo changes in bone mineral density (BMD) with changes in disease state of bone. In small animal models, e.g. the hindlimb suspension model of bone loss, a non-invasive assessment of BMD is required. X-ray radiography has been surpassed in some cases by quantitative computed tomography (QCT) and dual X-ray absorptiometry (DEXA) quantitation. ...
background sarcoidosis is a multisystem disease affecting different organs with different frequency rates depending on geographical location. musculoskeletal abnormalities includes osseous lesions (small and large bone sarcoidosis), sarcoidal arthropathy, and sarcoidal myopathy. musculoskeletal involvement is reported in a significant number of patients. objectives this study aimed to determine...
BACKGROUND Deproteinized bovine bone mineral (DBBM) is one of the best-documented bone substitute materials for sinus floor elevation (SFE). PURPOSE DBBM is available in two particle sizes. Large particles are believed to facilitate improved neoangiogenesis compared with small ones. However, their impact on the rate of new bone formation, osteoconduction, and DBBM degradation has never been r...
purpose : to report an unusual case of dermoid cyst of the frontal bone case report : we report a case of 28-year-old man with a history of painless progressive proptosis of the left eye. ct-scan was showed a hypodense lesion that mainly located within the frontal bone with only a small intraorbital involvement. excisional biopsy was performed and histopathologic examination was compatible with...
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