نتایج جستجو برای: bone remodeling
تعداد نتایج: 351860 فیلتر نتایج به سال:
When orthodontic treatment is performed, several cells responsible for bone remodeling are stimulated, including fibroblasts, osteoblasts, osteoclasts, and other cells. Bone essential as it allows us to move dental pieces from their original position the desired location within arch, correcting malocclusion, achieving functional occlusion, and, in some cases, enhancing facial harmony. One reaso...
Background: Bone is a hard and dynamic tissue, which continually undergoes remodeling process. Longitudinal growth of bone is mediated by growth plate that is a cartilage structure at the end of long bones. During puberty, along with the closure (ossification) of growth plate, the longitudinal growth of bone will stop. Diazinon is one of the widely used organophosphorus pesticides that have bee...
Peak bone mass, a determinant of osteoporosis at older ages, is affected by genetic, nutritional, lifestyle, and hormonal factors. Adolescence is a critical time for peak bone mass accrual, and boys achieve a higher peak bone mass than girls. We have reported vitamin D insufficiency in adolescents in our population, but its impact on bone remodeling is unclear. We systematically evaluated the i...
Remodeling is essential for bone health. It begins with resorption of old bone by osteoclasts, followed by the formation of new bone by osteoblasts. Remodeling is coupled (formation is linked to resorption). After middle age or perhaps beginning earlier, bone loss occurs because resorption exceeds formation. This imbalance is accentuated by estrogen deficiency as well as by many diseases and co...
THE purpose of the present study is to describe and interpret the sequence of remodeling changes which take place during the postnatal growth of the young human maxilla. This report is a sequel to previous studies dealing with principles of bone remodeling and with the postnatal growth of the human mandible.l-” As the growing maxilla increases in size, there is a companion process of remodeling...
BACKGROUND AND OBJECTIVE The Wnt/β-catenin signaling pathway is essential for controlling bone mass; however, little is known about the variable effects of the constitutive activation of β-catenin (CA-β-catenin) on bone growth and remodeling at different postnatal stages. The goal of the present study was to observe the effects of CA-β-catenin on vertebral bone growth and remodeling in mice at ...
tramadol is a synthetic analgesic of opioids which has more flexible mechanisms of action than typical opioids. since it has been reported in previous study that typical opioids like morphine can affect the bone homeostasis, it is worthwhile to examine the effects of tramadol on tooth movement. in this study we investigated effects of tramadol on orthodontic tooth movement in rats.30 male wista...
hemangiomas of the sinonasal tract are rare, and because these lesions lack the typical signs or symptoms, they can be confused with other malignant conditions. we report a case of cavernous hemangioma of the maxillary sinus in a 68-year-old man that was completely resected by endoscopic sinus surgery. although computed tomography (ct) and magnetic resonance imaging (mri) showed several enhanci...
Long-term alcohol consumption can interfere with bone growth and replacement of bone tissue (i.e., remodeling), resulting in decreased bone density and increased risk of fracture. These effects may be exerted directly or indirectly through the many cell types, hormones, and growth factors that regulate bone metabolism. Alcohol consumption during adolescence reduces peak bone mass and can result...
Bone properties and response behavior after static or dynamic activation (loading) are still interesting topics in many fields of the science especially in the biomechanical problems such as bone loss of astronauts in space, osteoporosis, bone remodeling after fracture or remodeling after surgery (endoprosthesis and implants) and in osteointegration. This contribution deals with the relation be...
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