نتایج جستجو برای: collagen type ihuman gingival fibroblastslow level laser therapy
تعداد نتایج: 3019660 فیلتر نتایج به سال:
PURPOSE THE PURPOSE OF THIS STUDY WAS TO ASSESS AND COMPARE THE CLINICAL AND RADIOGRAPHIC OUTCOMES OF GUIDED TISSUE REGENERATION THERAPY FOR HUMAN PERIODONTAL INTRABONY DEFECTS USING TWO DIFFERENT COLLAGEN MEMBRANES: a porous nonchemical cross-linking collagen membrane (NC) and a bilayer collagen membrane (BC). METHODS Thirty subjects were randomly assigned and divided into the following 3 gr...
introduction: chemotherapy-induced oral mucositis (com) is a common, debilitating complication of cancer therapy. the aims of this study were to evaluate the effect of low level laser therapy (lllt) on prevention of com in patients with hematologic malignancies. methods: fifty-five patients hospitalized to undergo chemotherapy in imam hospital were included into the study. these patients were d...
introduction: the aim of this study was to determine the histologic effect of low level laser therapy (lllt) with or without the use of mineral trioxide aggregate (mta) on exposed pulp tissues of dogs. methods: twenty-five premolar teeth in three healthy mature dogs were randomly divided into five groups. in group 1, the pulp tissue was capped with mta. in groups 2 and 3, before capping with mt...
OBJECTIVE We determined the overall effects of laser therapy on tissue healing by aggregating the literature and subjecting studies meeting the inclusion and exclusion criteria to statistical meta-analysis. BACKGROUND DATA Low-level laser therapy (LLLT) devices have been in use since the mid sixties, but their therapeutic value remains doubtful, as the literature seems replete with conflictin...
Gingival hyperpigmentation and the condition known as gummy smile are very common dental cosmetic problems. Gingival hyperpigmentation arises due to the excess presence of melanin in certain regions of the gums. In the case of gummy smile, more than the required amount of gingival tissue is exposed upon smiling. An aesthetically pleasing smile should expose only a negligible amount of gingival ...
statement of the problem: recurrent aphthous stomatitis (ras) is one of the most common lesions in the oral cavity. due to its multifactorial nature, there is no definitive treatment for ras. laser therapy is one of the suggested treatments to reduce patient’s discomfort. purpose: the purpose of the present clinical trial is to assess the effect of low and high level laser therapy on pain contr...
The study of low-level laser therapy upon extracellular matrix elements is important to understand the wound healing process under this agent. However, little is known about the interference of laser light in relation to collagen and elastic fibers. Cutaneous wounds were performed on the back of 72 Wistar rats and a Ga-Al-As low-level laser was punctually applied with different energy densities...
In this study we demonstrated that ΔCaecm33 double mutant showed reduced biofilm formation and causes less damage to gingival mucosa tissues. This was confirmed by the reduced level of necrotic cells and Bax/Bcl2 gene expression as apoptotic markers. In contrast, parental and Caecm33 mutant strains decreased basement membrane protein production (laminin 5 and type IV collagen). We thus propose ...
Introduction: Nowadays, the main focus of dental studies is on adhesive dental materials; since clinical long-term success of bonded restorations depended more on marginal microleakage minimization. So, the aim of this study was Evaluation of Diode laser irradiation effect on microleakage in class V composite restoration before and after adhesive application. Materials and methods: In this in v...
The role of the collagen receptor glycoprotein VI (GPVI) in arteriolar thrombus formation was studied in FcRgamma-null mice (FcRgamma(-/-)) lacking platelet surface GPVI. Thrombi were induced with severe or mild FeCl(3) injury. Collagen exposure was significantly delayed and diminished in mild compared with severe FeCl(3) injury. Times to initial thrombus formation and vessel occlusion were del...
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