نتایج جستجو برای: stafne bone defect

تعداد نتایج: 392157  

Background: Repair of bone defects is challenging for reconstructive and orthopedic surgeons. In this study, we aimedto histomorphometrically assess new bone formation in tibial bone defects filled with octacalcium phosphate (OCP),bone matrix gelatin (BMG), and a combination of both.Methods: A total of 96 male Sprague Dawley rats aged 6-8 weeks weighing 120-150 g were randomly allocatedinto thr...

Background and purpose: Reconstruction of bone defects remains one of the most challenges encountered by orthopedic and reparative surgeons. The purpose of this study was to assess the osteogenic potential of octacalcium phosphate (OCP) and octacalcium phosphate/gelatin (OCP/G) composite in the tibia bone defects in rats. Materials and methods: This experimental study was conducted in 72 mal...

Journal: :iranian journal of medical sciences 0
f. sargolzaei-aval departments of anatomy, zahedan university of medical sciences, zahedan, iran. a. sobhani departments of anatomy, tehran university of medical sciences, tehran, iran. m.r. arab departments of anatomy, zahedan university of medical sciences, zahedan, iran. s.a . sarani departments of anatomy, zahedan university of medical sciences, zahedan, iran. m.h. heydari fasa faculty of medical sciences, fasa, iran.

background: in several conditions we have face cranial bone defects. reconstruction of these defects remains one of the most challenging problems encountered by craniofacial surgeons.   objective: to evaluate bone repair in cranial bone defects by use of an implant made of octacalcium phosphate in combination with bone matrix gelatin (ocp/bmg).   methods: we used 40, 5–6-week-old male sprague-d...

Bone healing is still a great challenge in orthopedic surgery and clinical practice. There is a dearth of research investigating the effect of Zeolite/Collagen (ZC) nanocomposite on bone regeneration. In the present study, a critical segmental defect of the rabbit femur was repaired using defects in femurs repaired by ZC nanocomposite, and the effects were examined histologically. In total, 45 ...

Journal: :medical journal of islamic republic of iran 0
maziar azar from the dept. of neurosurgery, iran university of medical science, tehran, islamic republic of lran. ahmad tahamy afsoun kaboly

we report 127 cases who have had elective operation on cranium because of skull bone defect during 1984-1989. usually repair of skull bone defect and preserving normal anatomy were the major therapeutic goals. 10, ii in these cases a new surgical technique is described which can successfully accomplish these goals in a single but staged operative procedure.

Objective: In this study, the bone regeneration ability of polyacrylamide hydrogel and nanohydroxyapatite scaffolds (PAAH/NHA) and stem cells derived from adipose tissue (ADSCs) in the healing of critical sized bone defects in rabbit radius were assessed. Animals and procedures: 12 New Zealand white male rabbits were divided into 3 groups. The rabbits were anesthetized and 15 mm bone def...

Journal: :Journal of clinical pathology 1955
R B LUCAS

That Paget's disease of bone may affect the jaws has been known since Moore's (1923) report of a case in which there was a bony tumour of the maxilla together with osteoporosis circumscripta of the frontal region, though until quite recently the disease in this site has been considered rare. Osteoporosis circumscripta itself has now been identified with an early phase of Paget's disease (Sosman...

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