Autogenous Bone Graft
Mostrando 13-24 de 42 artigos, teses e dissertações.
-
13. Histomorphometric analysis of the repair process of autogenous bone grafts fixed at rat calvaria with cyanoacrylate
OBJECTIVE: The purpose of this study was to perform histological and histometric analyses of the repair process of autogenous bone grafts fixed at rat calvaria with ethyl-cyanoacrylate adhesive. MATERIAL AND METHODS: Thirty-two rats were divided into two groups (n=16), Group I - Control and Group II - Adhesive. Osteotomies were made at the right parietal bon
Journal of Applied Oral Science. Publicado em: 2011-10
-
14. Characterization of bone repair in rat femur after treatment with calcium phosphate cement and autogenous bone graft
Background: In this study, the biocompatibility, stability and osteotransductivity of a new cement based on alphatricalcium phosphate (alpha-TCP) were investigated in a bone repair model using a rat model. Methods: The potential of alpha-TCP on bone repair was compared to autogenous bone grafting, and unfilled cavities were used as negative control. Surgical
Publicado em: 2011
-
15. Bone regeneration in surgically created defects filled with autogenous bone: an epifluorescence microscopy analysis in rats
Although the search for the ideal bone substitute has been the focus of a large number of studies, autogenous bone is still the gold standard for the filling of defects caused by pathologies and traumas, and mainly, for alveolar ridge reconstruction, allowing the titanium implants installation. OBJECTIVES: The aim of this study was to evaluate the dynamics o
Journal of Applied Oral Science. Publicado em: 2010-08
-
16. Avaliação histomorfométrica comparativa do processo de reparo de defeitos ósseos perenes em calvária de ratos tratados com -fosfato tricálcio, hidroxiapatita sintética, hidroxiapatita sintética + -fosfato tricálcio e osso autógeno / Histomorphometric comparative evaluation of the repair of perennial bone defects in rats skulls treated with -tricalcium phosphate, synthetic hydroxyapatite, synthetic hydroxyapatite + -tricalcium phosphate and autogenous graft
The aim of the work was to characterize the ceramics: hydroxyapatite (HA), -tricalcium phosphate (TCP) and the composite HA/TCP (60:40) through scaning electron microscope - energy dispersive system (SEM-EDS) analysis and to compare histomorphometrically the repair of perennial skull defects treated with these three different ceramics and autogenous graft at
Publicado em: 2010
-
17. Histological evaluation of the influence of magnetic field application in autogenous bone grafts in rats
Background: Bone grafts are widely used in oral and maxillofacial reconstruction. The influence of electromagnetic fields and magnets on the endogenous stimulation of target tissues has been investigated. This work aimed to assess the quality of bone healing in surgical cavities filled with autogenous bone grafts, under the influence of a permanent magnetic
Publicado em: 2010
-
18. Analise da estabilidade do reposicionamento inferior da maxila sem a utilização de enxerto interposicional : um estudo cefalometrico retrospectivo / Analysis of stability after maxillary inferior repositioning without interpositional graft : a retrospective cephalometric study
The true vertical maxillary deficiency is a characteristic of Short Face Syndrome (CFS), in these patients, the inferior repositioning of the maxilla is indicated in order to provide a better facial esthetics and improved function. But this surgical movement has been described as the most instable movement, and interpositional autogenous bone graft usually i
Publicado em: 2010
-
19. Avaliação da osteogênese em defeitos ósseos com utilização da engenharia tecidual óssea: uma comparação entre osso autógeno, substituto ósseo e células-tronco mesenquimais / Evaluation of osteogenesis in bone defects using bone tissue engineered: a comparison among autogenous bone, bone substitute and mesenchymal stem cells
O tecido ósseo possui potencial regenerativo e capacidade em restaurar completamente sua estrutura e função original. Há situações em que o organismo não consegue por si só, a reparação desejada dos defeitos ósseos. Vários métodos são propostos para a reparação de defeitos ósseos, entre eles, o uso de diferentes tipos de enxertos os quais de
Publicado em: 2010
-
20. Osseointegração de implantes em defeitos circunferenciais utilizando proteínas angiogênicas purificadas do látex, osso autógeno e regeneração óssea guiada. Estudo comparativo em mandíbulas de cães / Implant osseointegration in circumferential bone defects using latexderived proteins, autogenous bone graft and guided bone regeneration. A comparative study in the dog mandible
The development of biomaterials that can assist osseointegration and implant stability in dissatisfactory anatomical regions has been the goal of several researches in the past years. Despite the array of regenerative therapies to be used, some clinical disadvantages still persist, such as considerable patient morbidity, extended patient recovery periods, su
Publicado em: 2009
-
21. Healing of bone on machined or grit-blasted titanium surfaces with autogenous block graft covered with resorbable membrane / Reparação óssea sobre superfícies de titânio usinadas ou tratadas por óxido de titânio com exerto autógeno em bloco coberto por membrana reabsorvível
Este estudo avaliou, quantitativamente, o osso regenerado após técnica de regeneração óssea guiada, utilizando osso autógeno em bloco e membrana de colágeno e descreveu seu processo de reparação ao redor de superfícies de implantes usinadas ou tratadas por jato de óxido de titânio em períodos de até 150 dias. Foram utilizados 60 ratos machos Wi
Publicado em: 2009
-
22. Repair process of surgical defects filled with autogenous bone grafts in tibiae of diabetic rats
From a biological standpoint, the best material for reconstruction of bone defects is the autogenous bone graft. However, as tissue healing is affected under diabetic conditions, major changes might take place in the revascularization, incorporation, replacement and remodeling phases of the grafted area. The purpose of this study was to assess the bone heali
Journal of Applied Oral Science. Publicado em: 2008-10
-
23. AUTOGENOUS CANCELLOUS BONE OR HOMOGENOUS 98% GLYCERIN-STORED IN ATLANTOAXIAL ARTRODESIS IN DOGS / OSSO ESPONJOSO AUTÓGENO OU HOMÓGENO CONSERVADO EM GLICERINA A 98% NA ARTRODESE ATLANTOAXIAL EM CÃES
The aim of this research was to test and to compare the homogenous cancellous bone glycerin-stored with the autogenous cancellous bone graft in the atlantoaxial arthrodesis. Fifteen dogs, weighing between 8 and 12 kg, were randomly distributed in three groups denominated one (30 days), two (60 days) and three (90 days). The atlantoaxial joint was immobilized
Publicado em: 2008
-
24. Avaliação histológica e imunohistoquímica da ATM de ratos wistar adultos após meniscectomia unilateral com enxerto de cartilagem auricular autógena. / Histological and imunohistochemical evaluations of the TMJ in adult wistar rats after unilateral meniscectomy with autogenous auricular cartilage graft.
The morphological features of the temporomandibular joint (TMJ) of rats were studied after meniscectomy in the left side of the joint. The specimens were submitted or not to an interpositional auricular cartilage graft. The animals formed the following groups: GI (meniscectomy); GII (meniscectomy and graft); GIII (sham). The post-operative periods (10, 30 da
Publicado em: 2008