Bone Remodeling
Mostrando 13-24 de 193 artigos, teses e dissertações.
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13. BIOCHEMICAL ANALYSIS AND BONE REMODELING IN RESPONSE TO OOPHORECTOMY AND AQUATIC TRAINING
ABSTRACT Objective: To investigate whether swimming could prevent bone loss and could be indicated to assist in treatment of osteoporosis. Methods: Female rats were divided into 4 groups (n=6), two of them were oophorectomized. Animals from two groups, one oophorectomized and another not oophorectomized, underwent aquatic training for eight weeks. After tr
Acta ortop. bras.. Publicado em: 2016-10
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14. Effect of magnesium ion on human osteoblast activity
Magnesium, a promising biodegradable metal, has been reported in several studies to increase bone formation. Although there is some information regarding the concentrations of magnesium ions that affect bone remodeling at a cellular level, little is known about the effect of magnesium ions on cell gap junctions. Therefore, this study aimed to systematically
Braz J Med Biol Res. Publicado em: 04/07/2016
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15. Miniplates and mini-implants: bone remodeling as their biological foundation
Resumo A rede tridimensional formada pelos osteócitos controla o designósseo ao coordenar a atividade das células nas superfícies trabeculares e corticais, especialmente os osteoblastos e os clastos. Miniplacas e mini-implantes servem de ancoragem para que os demais componentes ortodônticos e ortopédicos possam - mesmo que à distância - deformar e es
Dental Press J. Orthod.. Publicado em: 2015-12
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16. Physical and mechanical characterization of a porous cement for metaphyseal bone repair
OBJECTIVE: Macroporous cement with mechanical properties similar to cancellous bone may improve the treatment of large bone defects in relation to solid acrylic cement. The aim of this study was to compare physical and mechanical characteristics of a polymethyl methacrylate (PMMA) based porous cement with cancellous bone. METHODS: Compressive strength and p
Acta ortop. bras.. Publicado em: 2015-08
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17. Evaluation of opening pattern and bone neoformation at median palatal suture area in patients submitted to surgically assisted rapid maxillary expansion (SARME) through cone beam computed tomography
AbstractSurgically assisted rapid maxillary expansion (SARME) is the treatment of choice to adult patients even with severe transversal maxillary discrepancies. However, the adequate retention period to achieve the bone remodeling, thus assuring treatment stability, is controversial.Objective To evaluate the opening pattern and bone neoformation process at t
J. Appl. Oral Sci.. Publicado em: 2015-08
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18. Neuropeptide Y, substance P, and human bone morphogenetic protein 2 stimulate human osteoblast osteogenic activity by enhancing gap junction intercellular communication
Bone homeostasis seems to be controlled by delicate and subtle “cross talk” between the nervous system and “osteo-neuromediators” that control bone remodeling. The purpose of this study was to evaluate the effect of interactions between neuropeptides and human bone morphogenetic protein 2 (hBMP2) on human osteoblasts. We also investigated the effects
Braz J Med Biol Res. Publicado em: 13/02/2015
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19. The RANK/ RANKL/ OPG interaction in the repair of autogenous bone grafts in female rats with estrogen deficiency
The aim of this study was to evaluate the resorption process during the repair of autogenous bone grafts with or without coverage by an expanded polytetrafluoroethylene (e-PTFE) membrane in female rats with estrogen deficiency using the immunohistochemical technique. Eighty female rats were randomly divided into two groups (OVX and SHAM). The 40 female rats
Braz. oral res.. Publicado em: 15/09/2014
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20. Biomechanical evaluation of subcrestal dental implants with different bone anchorages
This study evaluated the biomechanical influence of apical bone anchorage on a single subcrestal dental implant using three-dimensional finite element analysis (FEA). Four different bone anchorage designs were simulated on a posterior maxillary segment using one implant with platform switching and internal Morse taper connection as follows: 2 mm subcrestal p
Braz. oral res.. Publicado em: 04/08/2014
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21. Pharmacological management of osteogenesis
Osteogenesis and bone remodeling are complex biological processes that are essential for the formation of new bone tissue and its correct functioning. When the balance between bone resorption and formation is disrupted, bone diseases and disorders such as Paget's disease, fibrous dysplasia, osteoporosis and fragility fractures may result. Recent advances in
Clinics. Publicado em: 2014-06
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22. Nicotine effect on bone remodeling during orthodontic tooth movement: Histological study in rats
Introdução: a nicotina apresenta efeito prejudicial sobre a angiogênese, osteogênese e síntese de colágeno. Objetivo: investigar a ação da nicotina sobre a remodelação óssea durante o movimento dentário induzido em ratos. Métodos: oitenta ratos machos Wistar foram divididos em três grupos: grupo C (sem indução de movimento dentário
Dental Press J. Orthod.. Publicado em: 2014-04
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23. Bone remodeling at microscrew interface near extraction site in the beagle dog mandible-histologic and immunohistochemical analyses
Extraction is often used as part of orthodontic therapy, and good control of anchorage is a key step after extraction. Although microscrews can be implanted close to the extraction site in order to achieve orthodontic support, the efficiency of bone remodeling at the implant-bone interface near the extraction region is dubious. OBJECTIVE: The purpose of th
J. Appl. Oral Sci.. Publicado em: 2013-09
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24. Avaliação histométrica do reparo de defeito ósseo em calvária de rato após implante de rhMMP-2 ligada à monoleína / Histometric evaluation of bone healing after implantation with rhMMP-2 linked to monolein into rat calvarial defects
Matrix metalloproteinases (MMPs) are zinc-dependent proteolytic enzymes that degrade extracellular matrix components, facilitating cell migration and tissue remodeling. MMPs secreted by osteclasts are important in the physiological bone resorption as in pathological bone degradation. However, the essentially bone absorbing hole of MMPs, particularly of the M
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 17/08/2012