نتایج جستجو برای: alloplastic bone
تعداد نتایج: 305493 فیلتر نتایج به سال:
The frontotempotal-orbitozygomatic craniotomy (FTOZ) is a standard approach for large sphenoid wing meningiomas (SWMs). Nevertheless, resection of these tumors is not without ophthalmologic risks. This series presents two patients with acute postoperative restrictive strabismus following tumor resection and orbital wall reconstruction. Forced duction testing and postoperative imaging revealed i...
Surgical intervention by resection of the ankylotic mass through gap arthroplasty alone resulted in reankylosis. Attempts have been made to prevent such reankylosis with interpositional arthroplasty. Numerous materials have been interposed between the resected bone surface and articular fossa at the base of the skull. Alloplastic materials such as silicone, silastic, proplast, Teflon, rubber pr...
The management of orbital fractures is one of the most interesting and difficult areas in facial trauma. The consequences of an orbital fracture are sometimes dramatic. They include varying types of defects from a loss of vision to diplopia, loss of an eye, epiphora, a disturbing loss of facial sensation, or even an unacceptable appearance of the eye and the hard and soft tissues around it. The...
Abstract The limited options for bone repair have led to an extensive research of the field and development alloplastic xenogeneic grafts. purpose this study was evaluate with two substitutes: deproteinized bovine (DBB) biphasic calcium phosphate ceramic (BCP) in critical-size defect. A total 8-mm defects were made parietal bones rabbits (n=12). animals divided into three experimental groups: s...
Intrabony defects can be treated by various approaches. Use of GTR along with bone grafts is said to enhance the outcome. The periosteum has been claimed increase regeneration. egg-shell-derived nano hydroxyapatite (EnHA) shown a scope as alloplastic graft. Thus, following study was undertaken combine periosteal pedicle EnHA for treatment intrabony under magnification achieve optimal A total 21...
Reconstructive surgery of complex three-dimensional defects of the midface/maxilla following treatment of advanced squmous cell carcinoma of the maxilla is challenging. Primary or secondary reconstruction using autogenous bone grafts or alloplastic materials are standard procedures, however such procedures may be associated with complications. In particular secondary reconstructions often requi...
Objective: To histologically compare three different alloplasts and assess bone regeneration Study Design: Bone core of grafts was procured from a grafted site after period 6 months implants were placed. The cores studied at higher magnification formation analyzed. Results: All the showed good results clinically, however β -TCP had shown better more as compared to others. Conclusion: Chronologi...
Extensive defects of the scalp and forehead associated with calvarial bone resections demand complex reconstructions. Free flaps offer vascularized tissue of excellent quality and quantity. We report six patients with extensive scalp and forehead defects associated with calvarial bone resections reconstructed with free flaps. Five patients also required a cranioplasty. The flaps used were two a...
Objective: To present the author’s technique and discuss the special considerations in the Asian patient requiring secondary rhinoplasty with removal of an alloplastic implant coupled with autogenous reconstruction. Design: Case presentation. Results: A 53 year old Asian female is 20 years status post alloplastic implant augmentation rhinoplasty by another provider. She subsequently suffered re...
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