نتایج جستجو برای: bone
تعداد نتایج: 305233 فیلتر نتایج به سال:
background: it has been stated that the bone allografts from different tissue banks may lead to various amount of bone induction, so the aim of this study was to evaluate bone regeneration of three demineralized allografts both histologically and histomorphometrically in rabbits calvaria bone defects. materials and methods: in this double-blind randomized experimental animal study, 32 critical ...
introduction: almost all malignant tumors have the potential to eventually produce bone metastasis. the aim of the current study was to report the distribution pattern and imaging characteristics of bone metastases detected by conventional whole body bone scintigraphy in patients with different types of malignancies and to assess their relationship with the complaint of bone pain. methods: as ...
Bone has a capability to repair itself when it is fractured. Repair involves the generation of intermediatetissues, such as fibrous connective tissue, cartilage and woven bone, before final bone healing can occur. Theprocess of cartilage-to-bone transition (CBT) is a key for the achievement of rigid bone healing duringfracture repair. We tested this potential for elastic cartilage using a long ...
Bone drilling process is one the most common processes in orthopedic surgeries and bone breakages treatment. It is also very frequent in dentistry and bone sampling operations. Bone is a complex material and the machining process itself is sensitive so bone drilling is one of the most important, common and sensitive processes in Biomedical Engineering field. Orthopedic surgeries can be improved...
Introduction: Dental abscesses and periodontal disease can be regarded as the common causes of odontogenic sinusitis. Apical periodontitis, periodontal disease, implant treatment and teeth extraction lead to the increase risk of maxillary sinus mucositis. The maxillary sinuses are usually well visualized on panoramic images. Therefore, this study aimed to explore the association between mucosal...
Objective- Bone regeneration is a multifactorial phenomenon which contributed to several factors. It is reported that risedronate is effective for musculoskeletal diseases. The current study was to determine effectiveness of the risedronate-loaded nano capsules for calvaria healing in rabbit.Design- Experimental study.Procedures- 15 white adult male New Zealand rabbits were used. Fo...
Osteopetrosis is a rare metabolic bone disease characterized by generalized increase in skeletal mass. About 500 cases have been described in the literature. This disorder presents. In one of three forms: Osteopetosis Tarda , Osreopetrosis Congenital and “marble bone” disease. Osteopetrosis congentia results in bone marrow failur and is almost always fatal. Marble bone disease causes short st...
bone has a capability to repair itself when it is fractured. repair involves the generation of intermediatetissues, such as fibrous connective tissue, cartilage and woven bone, before final bone healing can occur. theprocess of cartilage-to-bone transition (cbt) is a key for the achievement of rigid bone healing duringfracture repair. we tested this potential for elastic cartilage using a long ...
introduction: this investigation was done to examine the influence of bone matrix gelatin on bone induction in wnz male rabbit. materials and methods: the rabbits were purchased from razi institute and bone matrix gelatin (bmg) was prepared from the long bones according to m.urist method. using a dentistry drill, a hole with 3.5mm diameter was made at a distance of 2.5cm below the tibial medial...
ewing's sarcoma is a relatively common malignant bone tumor that typically occurs in long bone diaphyses of adolescents and young adults of 10-30 years old. often times, all ewing's sarcoma of bone have radiographic abnormalities. diagnosis is usually delayed and can be misdiagnosed as osteomyelitis. bone to bone metastasis occurs, but soft tissue retro bulbar metastasis is rare. this...
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