Calvarial Defect
The effect of 4-hexylresorcinol on xenograft degradation in a rat calvarial defect model
... In this study, the control group showed new bone deposition bordering the graft (Fig. 7d). Mixed bovine bone grafted in the rat calvarial defect was not com- pletely degraded at 9 months, while new bone ...
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Evaluation of osteoconductive and osteogenic potential of a dentin-based bone substitute using a calvarial defect model
... content than any bone-derived material, and it is also a readily available xenograft. Furthermore, there is a potential to utilize its organic component as well as its mineral component. For a long time, it has been ...
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Comparative evaluation of biphasic calcium phosphate and biphasic calcium phosphate collagen composite on osteoconductive potency in rabbit calvarial defect
... In the present study, we evaluated the osteoconductiv- ity of BCPC in the rabbit calvarial defect. Nowadays the addition of collagen to bone substitute is expected to give benefits in bone regenerative ...
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Biocompatibility and resorption pattern of newly developed hyaluronic acid hydrogel reinforced three-layer poly (lactide-co-glycolide) membrane: histologic observation in rabbit calvarial defect model
... bone defect site in 4 weeks ...right defect margin of Figure 3G, adipose tissue infiltration was not observed, and the top of the defect portion was filled with new bone which was be- neath of HA ...
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The comparative effectiveness of demineralized bone matrix, beta-tricalcium phosphate, and bovine-derived anorganic bone matrix on inflammation and bone formation using a paired calvarial defect model in rats
... The rat was used in this study as an animal model. Forty male rats (Wistar species, purchased from Pasteur Institute of Iran [Tehran, Iran], each weighing 250–300 g) were selected and divided into four groups, each ...
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Rapid bone regeneration by Escherichia coli-derived recombinant human bone morphogenetic protein-2 loaded on a hydroxyapatite carrier in the rabbit calvarial defect model
... Background: The aim of this study was to determine the osteoconductivity of hydroxyapatite particles (HAP) as a carrier for Escherichia coli -derived recombinant human bone morphogenetic protein-2 (ErhBMP-2). Two 8-mm ...
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Cryopreserved clumps of mesenchymal stem cell/extracellular matrix complexes retain osteogenic capacity and induce bone regeneration
... To address these problems, we have recently generated three-dimensional (3D) clumps of MSC/extracellular matrix (ECM) complexes (C-MSCs), which consist of cells and self-produced ECM [8]. C-MSCs can be grafted into bony ...
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Guided bone regeneration using 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide (EDC)-cross-linked type-I collagen membrane with biphasic calcium phosphate at rabbit calvarial defects
... the calvarial defect in the current ...various defect morph- ologies, such barrier membrane would be crucial to maximize bone formation and to prevent scattering of the graft ...
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Fabrication of large-pore mesoporous Ca-Si-based bioceramics for bone regeneration
... In this study, we first synthesized large-pore MS (LPMS) as the template and silicon source and then doped LPMS with Ca(NO 3 ) 2 ⋅ 4H 2 O to synthesize large-pore Ca-Si-based bioceramics (LPMSCs). To assess the ...
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Xenotransplantation of interferon-gamma-pretreated clumps of a human mesenchymal stem cell/extracellular matrix complex induces mouse calvarial bone regeneration
... a calvarial defect model after approval had been obtained from the Animal Care Committee of Hiroshima ...suture, calvarial defects of ...the defect with no artificial ...
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An evaluation of poly DL-Lactide-co-glycolide implants and xenogeneic bone matrix-derived growth factors on calvarial bone repair in the rabbit
... After 4 w k im p lan tation in v iv o p o ly m er im p la n t d isc s had u nd ergon e substantial d isin tegration w ith little p olym er m atrix evident; n ev er th e less, the ex te n t to w h ic h the ...
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MALIGNANT LESIONS OF THE SCALP: SURGICAL MANAGEMENT OF THE DEEPLY INVASIVE LESIONS
... The surgical procedure begins with a full thickness incision through all the layers of the scalp, through the periosteum to the calvarial bone. As mentioned previously, depending on tumour type, a 1 to 2 cm. ...
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Skull base and calvarial deformities: association with intracranial changes in craniofacial syndromes
... PURPOSE: To analyze the skull and brain malformations in patients with craniofacial syndromes. METHODS: A retrospective analysis of imaging studies of 21 children with craniofacial anomalies (8 with Apert syndrome, 6 ...
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Bone marker gene expression in calvarial bones: different bone microenvironments
... Methods: C57BL/KaLwRijHsD calvariae were carefully excised from five male mice that were 4–6 weeks of age. Fron‑ tal, parietal, and interparietal bones were dissected to determine the bone microenvironment in calvariae. ...
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The homeoprotein engrailed 1 has pleiotropic functions in calvarial intramembranous bone formation and remodeling
... wild-type calvarial bone, is severely impeded in En1 mutants ...during calvarial bone formation and advanced osteoblast differentiation (Kim et ...the calvarial skeletal rudiments by inducing the ...
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Primary intraosseous meningioma: an osteosclerotic bone tumour mimicking malignancy
... with calvarial PIMs typically present, as in our case, with a slow-growing swelling that may or may not be ...most calvarial meningiomas are benign they undergo malignant change more commonly than ...
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MR Imaging Characteristics of Cranial Bone Marrow in Adult Patients with Underlying Systemic Disorders Compared with Healthy Control Subjects
... able on MR images (4, 5). To detect such abnormalities, an understanding of normal marrow characteristics on MR images is necessary. An alteration in the normal signal intensity may be the earliest, and occasionally the ...
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Defect detection of jute fabric using image processing
... Manual defect detection is labour intensive, cumbersome, prone to errors and ...fabric defect detection in the jute industry is performed ...fabric defect inspection is required to reduce the cost ...
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Inhibition of endoplasmic reticulum-to-Golgi traffic by poliovirus protein 3A: genetic and ultrastructural analysis.
... the defect in 3A accumulation seen for these constructs was not due to problems with transfection of the DNA, amplification of the plasmids in COS-1 cells, or tran- scription of dicistronic mRNAs encoding the 3A ...
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Histological Evaluation of Hyaluronic Acid, Bio-Oss and Their Combination in Rats` Calvarial Critical Size Bony Defects.
... The use of combination of( HA) and Bio-Oss graft materials in the current study , revealed the best results as the critical defect appeared completely filled with newly formed smooth surfaced bone, lined with ...
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