نتایج جستجو برای: alloplastic bone
تعداد نتایج: 305493 فیلتر نتایج به سال:
Hemangioma of the skull is a benign solitary tumor, often found in the frontal or parietal area. A hemangioma lesion typically involves the outer table rather than the inner, but its complete removal at the diploe level is difficult. Full-thickness resection at the calvaria is often needed to ensure a free margin, but it will leave a bony defect that requires reconstruction. Although curettage ...
X-ray computed microtomography (micro-CT, microComputerised Tomography) is a miniaturized form of conventional computerized axial tomography (CAT ). This sophisticated technology enables 3D riconstruction of the internal structure of small X-ray opaque objects without sample destruction or preparation. The aim of this study is to show the possible applications of micro-CT in the analysis of bon...
Reconstruction materials and techniques for the base of the skull have undergone rapid developments and differentiation in recent years. While mostly autotransplants, collagens or resorbable alloplastic materials are preferred for duraplasties, pronounced organ-specific differences can be observed in the reconstruction of hard tissues. The use of polymethylmethacryl bone cement, once wide-sprea...
Introduction Successful regeneration of intra-oral osseous and periodontal defects requires adequate host tissue reactions with recruitment and subsequent activation (and protection) of relevant adjacent cell populations. Indispensable for the formation of new mineralised bony tissue and re-organisation of tooth supporting structures are osteogenic cells (1). In this context, fundamental therap...
Presently, bone replacement grafts are one of the modalities of therapy for which there is histologic evidence of regeneration coronal to the base of the previous osseous defect. Bioactive glasses are used extensively in medicine and dentistry. This study evaluated the additional efficacy of a bioactive alloplast, Perioglas, in comparison with open flap debridement only. 8 systemically healthy ...
This case report highlights the use of a novel in situ hardening synthetic (alloplastic), resorbable, bone grafting material composed of beta tricalcium phosphate and calcium sulfate, for alveolar ridge preservation. A 35-year-old female patient was referred by her general dentist for extraction of the mandibular right first molar and rehabilitation of the site with a dental implant. The nonres...
Lateral alveolar ridge augmentation procedure using subperiosteal tunneling technique: a pilot study
Background: In this research article, we evaluate the use of sub-periosteal tunneling (tunnel technique) combined with alloplastic in situ hardening biphasic calcium phosphate (BCP, a compound of β-tricalcium phosphate and hydroxyapatite) bone graft for lateral augmentation of a deficient alveolar ridge. Methods: A total of 9 patients with deficient mandibular alveolar ridges were included in t...
BACKGROUND Aesthetic skeletal surgery of the face is a powerful tool to alter the facial skeleton; the facial form is enhanced through the use of alloplastic implants and osteotomies of the facial bones. However, the ultimate aesthetic appearance is dictated by how the soft tissue envelope drapes over the altered skeletal foundation. Intraoperative and postoperative fat grafting enhances the fi...
AIMS Several materials have been introduced as bone grafts, i.e., autografts, allograft, xenografts, and alloplastic grafts, and studies have shown them to produce greater clinical bone defect fill than open flap debridement alone. The aim of this clinical and radiological 6-month study was to compare and evaluate the clinical outcome of deep intraosseous defects following reconstructive surger...
This study aims to evaluate the mechanical performance of a unique, state-of-the-art, patient-specific alloplastic total replacement system for temporomandibular joint that allows enthesis reconstruction developed by CADskills BV (Ghent, Belgium), and its influence on remaining adjacent healthy tissue, looking into magnitude location stresses micromotions. Because reattachment lateral pterygoid...
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