نتایج جستجو برای: graft materials
تعداد نتایج: 516814 فیلتر نتایج به سال:
PURPOSE Although there are a number of bone replacement graft materials that are currently available for clinical use, there are few studies that directly compare efficacy among graft treatments before implant placement. The purpose of this report was to compare 3 bone replacement graft materials (PepGen P-15 228 FLOW [DENTSPLY Friadent CeraMed, Lakewood, CO], Puros [Zimmer Dental, Carlsbad, CA...
OBJECTIVE The goal of this clinical study was to evaluate dental implant survival rates using the concept of a nonfunctional, immediate loading protocol with nonsplinted dental implants in the grafted maxillary sinus during a 52-week period. Random histomorphological and histomorphometric analysis was completed to evaluate the early healing effect of platelet rich plasma (PRP) and 50% autogenou...
Repair of the dura after cranial neurosurgery can present a technical challenge and, for certain neurosurgical procedures, is critical to prevent cerebrospinal fluid leak and associated wound complications. Multiple options exist for dural repair, including the patient's own tissues, bovine collagen-derived commercially available grafts, as well as newer, entirely synthetic graft materials. Thi...
Introduction: Successful treatment of aggressive periodontitis is considered to be dependent on early diagnosis, targeted antimicrobial therapy and modifying the tissue architecture that is conducive to long-term maintenance. Osseous defects present a challenge in periodontal practice and successful treatment depends primarily on selection of the correct technique and materials. Case Series: Th...
Atherosclerosis in the form of peripheral arterial disease results in significant morbidity. Surgical treatment options for peripheral arterial disease include angioplasty, endarterectomy, and bypass grafting. For bypass grafting, vein remains the conduit of choice; however, poor quality and limited availability have led to the use of prosthetic materials. Unfortunately, because of a lack of en...
Revision ACL reconstruction poses several challenges for the surgeon in terms of the timing of surgery and the limited graft choices. To our knowledge, there is currently no published data with regards to revision ACL reconstruction in a child. We describe the case of a 12-year-old girl who had a re-injury 4.5 months after her index primary ACL reconstruction at the age of 11 years. She sustain...
Aim: To compare the result of graft materials i.e. temporalis fascia, tragal perichondrium and ear lobule fat in various aspects but the prime interest would be the closure of tympanic membrane perforation and postoperative hearing improvement. Materials and methods: The study was carried out on 60 patients admitted for myringoplasty as per selection criteria in the Department of Ear Nose and T...
The preparation of several graft copolymers obtained by radiation induced graft copolymerization of typical monomers onto poly (3hydroxybutyrate) is reviewed. The general mechanisms by which graft copolymerization reaction proceed under various irradiation conditions are described. Main attention is given to the structure, properties, synthesis and characterization of the graft product, as well...
background and aims. localized gingival recession presents as a special therapeutic problem. subjective parameters and donor site morbidity are often overlooked while deciding on any treatment option. materials and methods. 22 subjects were equally divided in group a (lateral pedicle graft) and group b (free mucosal graft). subjective evaluation of post operative sensitivity, discomfort and ble...
The need for bone graft materials to fill bony voids or gaps that are not related to the intrinsic stability of the bone that arise due to trauma, tumors or osteolysis remains a clinically relevant and significant issue. The in vivo response of collagen-tricalcium phosphate bone graft substitutes was evaluated in a critical size cancellous defect model in skeletally mature rabbits. While the ma...
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