نتایج جستجو برای: glenoid bone defect
تعداد نتایج: 393087 فیلتر نتایج به سال:
BACKGROUND It is not clear whether the anterior capsule should be repaired to the coracoid process or to the native glenoid during the modified Latarjet procedure. We investigated joint stability and range of motion of the shoulder after the modified Latarjet procedure with both of these methods of capsular repair. METHODS Eighteen fresh-frozen cadaveric shoulders were used. After a Bankart l...
the biological interaction between the jaw bones and dental implant is fundamental for the long-term success of dental implant placement. nevertheless, the insufficient bone volume remains a major clinical problem, especially in case of immediate dental implant. using a canine model, the present study proves the regenerative potential of adipose- derived stem cells (adscs) to repair peri-implan...
Herbst appliances were activated progressively in growing nonhuman primates, and the results were compared with primate and human controls. The methods and materials of this research are explained in Part 1 of this study. The results are discussed here in Part 2. All experimental subjects developed large super Class I malocclusions, the result of many factors including posterior movement of the...
Background: In order to evaluate bone induction and repair in cranial bone defects by the use of combination of Octacalcium Phosphate/Bone Matrix Gelatin (OCP/BMG), this study was conducted. Materials and Methods: We used 40 young male Sprague dawley rats (5-6 weeks age). A full thickness standardized trephine defect, 5mm in diameter, was made in the rat parietal bone and OCP combined with BMG ...
background and aims. plasma rich in growth factors (prgf) is a concentrated suspension of growth factors, which is used to promote periodontal tissue regeneration. the aim of this randomized, controlled, clinical trial was to evaluate of the treatment of grade ii mandibular molar furcation involvement using autogenous bone graft with and without prgf. materials and methods. in this double-blind...
Statement of Problem: Regenerative periodontal procedures are one mode of therapy that attempts to restore the lost supporting structures of the dentition around a previously diseased root surface.Purpose: The purpose of this study was comparison between Enamel matrix proteins (EMP) used alone or in combination with autogenous bone graft (ABG) in the treatment of human intrabony periodontal def...
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...
Reverse total shoulder arthroplasty (rTSA) implants are intended to restore stability and function to shoulders with rotator cuff deficiency. The implant consists of a glenosphere projecting from a glenoid baseplate and articulating in a socket at the proximal end of a humeral component. Despite the demonstrated clinical efficacy, little information is available regarding the joint forces about...
PURPOSE The aim of this study was to assess clinical outcomes and radiological outcomes after osteochondral allograft reconstruction for glenoid bone loss. METHODS Glenoid bone loss can occur in the setting of recurrent glenohumeral instability and poses a challenge for surgeons. Reconstruction of these defects with allografts has been proposed as an alternative to both arthroscopic stabiliza...
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