نتایج جستجو برای: alveolar bone crest
تعداد نتایج: 359410 فیلتر نتایج به سال:
Background and Aims: Accurate bone measurements are essential for determining the optimal size and length of proposed implants. The radiologist should be aware of the head position effects on image dimensions in each imaging technique. The purpose of this study was to evaluate the effect of mandibular plane angle on image dimensions in linear tomography.Materials and Methods: In this in vitro s...
Results of reconstruction of residual alveolar bone defects in 52 patients operated between 1990-1998 were evaluated clinically and radiographically in a retrospective study. Ages ranged between 9-37; 30 were males. The donor site of bone grafts in all was particulate cancellous marrow from the anterior iliac crest. 32 had unilateral clefts and 20 bilateral. Total cleft sites treated was 72. Be...
Myricetin Prevents Alveolar Bone Loss in an Experimental Ovariectomized Mouse Model of Periodontitis
Periodontitis is a common chronic inflammatory disease, which leads to alveolar bone resorption. Healthy and functional alveolar bone, which can support the teeth and enable their movement, is very important for orthodontic treatment. Myricetin inhibited osteoclastogenesis by suppressing the expression of some genes, signaling pathways, and cytokines. This study aimed to investigate the effects...
Background and purpose: Closure of the alveolar cleft using bone grafts is very important in patients with alveolar cleft. Adjunct use of platelet rich fibrin (PRF) with bone graft enhances the bone volume. The aim of the present study was to evaluate the efficacy of grafting by allografts with PRF in stability of bone volume following alveolar cleft grafting using radiographic scales. Mater...
BACKGROUND Reliable implant-supported rehabilitation of an alveolar ridge needs sufficient volume of bone. In order to achieve a prosthetic-driven positioning, bone graft techniques may be required. PURPOSE This prospective cohort study aims to clinically evaluate the amount of resorption of corticocancellous fresh-frozen allografts bone blocks used in the reconstruction of the severe atrophi...
BACKGROUND The boundaries for orthodontic tooth movement are set by the bony support of the dentition. This study compares the mandibular anterior alveolar housing in individuals with low, average, and high mandibular plane angles before orthodontic treatment and measures alveolar bone loss and root resorption after orthodontic treatment. METHODS Pretreatment cone-beam computed tomography (CB...
BACKGROUND Prevention of alveolar bone destruction is a clinical challenge in periodontal disease treatment. The receptor activator of nuclear factor-kappa B ligand (RANKL) inhibitor osteoprotegerin (OPG) inhibits osteoclastogenesis and suppresses bone resorption. METHODS To study the effects of RANKL inhibition on alveolar bone loss, an experimental ligature-induced model of periodontitis wa...
Abstract Background Understanding the anatomy of facial alveolar bone (FAB), provides a prognostic tool for estimating degree dimensional ridge alterations after tooth extraction. This systematic review and meta-analysis aims to determine FAB thickness modifying factors anterior maxillary teeth measured by CBCT scans. A secondary objective was assess distance from cementoenamel junction (CEJ) c...
Introduction: Alveolar distraction osteogenesis (ADO) is one of vertical bone augmentation technique used to restore the discrepancy between transplanted graft and residual alveolar after mandibular reconstruction. The aim this article present clinical outcomes ADO applied reconstructed mandible for three patients. Observation: Three patients underwent procedure on mandibula by fibula free flap...
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