نتایج جستجو برای: laser surgery
تعداد نتایج: 519112 فیلتر نتایج به سال:
چکیده ندارد.
Fetoscopic laser surgery for severe Twin-Twin Transfusion Syndrome (TTTS) has been conducted since early 1990s in United States and Europe. After the conclusion of Eurofetus in the randomized clinical trial [1], fetoscopic laser surgery has become the standard and optimal treatment for the TTTS condition. Recently, the techniques have been implemented throughout the globe; many institutions hav...
introduction: providing desirable smile is one of the main concerns in cosmetic dentistry. hyperpigmentation is one of the esthetic concerns especially in gummy smile patients. lasers with different wavelength are used for oral surgery including carbon dioxide laser (co2), neodymium-doped yttrium aluminium garnet (nd:yag), erbium family and diode laser. in this case, all esthetic procedures inc...
to assess the one year results of artiflex phakic intraocular lens (iol) implantation in the treatment of high myopia. in this non-random interventional study, myopic patients with spherical equivalent worse than -5.0 diopters (d) who were not eligible for laser surgery were assessed. all patients had refraction, uncorrected and best corrected visual acuity tests (ucva and bcva), endothelial ce...
Introduction: The aim of the present study was to determine burn intensity in retinal laser photocoagulation based on laser parameters; wavelength, power, beam size and pulse duration, using Optical Coherence Tomography (OCT), fundus camera, physical eye model and computer simulation in a clinical study.Materials and Methods: Participants were 10 adult patients between 50-80 years with prolifer...
introduction: dark or black coloured gingiva is an esthetic concern especially in subjects with high lip line or gummy smile. gingival depigmentation procedure is a type of perioplastic surgery where the gingival epithelium is excised with various techniques to lighten the colour of the gingiva. the aim of this study was to compare the clinical efficacy of gingival depigmentation procedure with...
the application of laser in dentistry is considered as a favorable technique for patients due to its many advantages compare to other current methods. one of the main goals in pediatric dentistry is to provide the treatment as comfortable as possible without any risks for the care. laser is being used in different pediatric dental conditions including caries detection, caries removal and cavity...
The nervous system has an important and vital role in the human body, but unfortunately the repairment of damaged nervous tissue is very slowly. For a long time, the scientists have been involved in finding ways to speed up this process. Radiation of low power He-Ne laser has been suggested to as a way to improve this issue. In this study, 20 rats were divided randomly into control and case gro...
today laser has a lot of usage in medicine and dentistry. in the field of dentistry, laser is used in soft tissue surgery, sterilization of canals (in root canal therapy) and in restorative dentistry laser is used for cavity preparation, caries removal, sealing the grooves (in preventive dentistry), etching enamel and dentin, composite polymerization and removal of tooth sensitivity. the use of...
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