نتایج جستجو برای: laser parameters of surgery

تعداد نتایج: 21261762  

Journal: :journal of lasers in medical sciences 0
guilherme josé pimentel lopes de oliveir univ. estadual paulista - unesp, department of diagnosis and surgery, araraquara school of dentistry, araraquara, sp, brazil. department of health sciences, implantology post graduation course, school of dentistry, university center of araraquara – uniara, araraquara, são paulo, brazil. felipe eduardo pinotti univ. estadual paulista - unesp, department of diagnosis and surgery, araraquara school of dentistry, araraquara, sp, brazil heglécia da luz carvalho univ. estadual paulista - unesp, department of diagnosis and surgery, araraquara school of dentistry, araraquara, sp, brazil. cássio rocha scardueli univ. estadual paulista - unesp, department of diagnosis and surgery, araraquara school of dentistry, araraquara, sp, brazil. rosemary adriana chiérici marcantonio univ. estadual paulista - unesp, department of diagnosis and surgery, araraquara school of dentistry, araraquara, sp, brazil.

introduction: the aim of this study was to evaluate the influence of different levels of external irrigation during irradiation with an erbium, chromium: yttrium-scandium-gallium-garnet (er,cr:ysgg) laser on the roughness and wear of dental tissue during scaling procedures. methods: twenty-five uniradicular bovine teeth had the proximal surfaces planed and divided into 3 regions: upper, middle ...

Rasta, Seyed Hosein, Alihemati, Aliraza , Naseri, Paria , Taifi Nasrabadi, Hamid ,

Introduction: Folliculogenesis is a cycle that any disruption in this cycle leads to disease. Treatment include Surgery, drugs and low-power lasers have been used as complementary. This study investigated photo-bio-stimulation effect of lasers (power<250 mW)) on folliculogenesis cycle in rats’ ovarian tissue in two wavelength 630 and 810 nm autonomously. Methods: Twenty-eight female Wistar rat...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1391

some new water-soluble schiff base complexes of na2[m(5-so3-1,2-salophen)].nh2o; (5-so3-1,2-salophen = n,n’-bis(5-sulphosalicyliden)-1,2-phenylendiamine); na2[m(5-so3-2,3-salpyr)(h2o)n].2h2o; (5-so3-2,3-salpyr = n,n’-bis(5-sulphosalicyliden)-2,3-diaminopyridine); and na2[m(5-so3-3,4-salbenz)(h2o)n].nh2o; (5-so3-3,4-salbenz = n,n’-bis(5-sulphosalicyliden)-3,4-diaminobenzophenon); where m = cu, n...

Journal: :journal of lasers in medical sciences 0
nooshafarin kazemi khoo department of medical genetics, tehran university of medical sciences, tehran, iran kamran babazadeh department of surgery, milad general hospital, tehran, iran marjan lajevardi department of laser, milad hospital, tehran, iran fataneh hashem dabaghian research institute for islamic and complementary medicine, tehran university of medical sciences, tehran, iran ehsan mostafavi department of epidemiology, pasteur institute of iran, tehran, iran

introduction: an attack of acute myocardial infarction (mi) poses the threat of great damage to cardiac tissue. operative therapeutic modalities such as coronary artery bypass grafting (cabg) may enhance myocardial perfusion in high-grade coronary vasculature occlusions. it has been shown previously that low-level laser therapy (lllt) significantly reduces infarct size following induction of my...

Journal: :acta medica iranica 0
&amp;quot;naraghi m tabatabaee mohammadi sz zolfkhani z kashfi a &amp;quot;

endonasal endoscopic laser-assisted dacryocystorhinostomy has many advantages over conventional external dacryocystorhinostomy. this technique avoids a cutaneous scar and causes less surgical trauma and bleeding than that seen in conventional lacrimal surgery. a total of 20 endoscopic laser-assisted dacryocystorhinostomy in 16 patients were performed between 1998 and 1999. the procedure was suc...

Journal: :بینا 0
محمدعلی جوادی ma javadi تهران- پاسداران- بوستان نهم- بیمارستان لبافی نژاد- مرکز تحقیقات چشم فیروز میربابایی قفقازی f mirbabaei ghafghazi تهران- پاسداران- بوستان نهم- بیمارستان لبافی نژاد- مرکز تحقیقات چشم

with the increasing number of keratorefractive surgical procedures in the past years, an increasing number of cataract operations in eyes with previous keratorefractive surgery is anticipated. although cataract extraction seems to be feasible without major technical obstacles, intraocular lens (iol) power calculation remains problematic. insertion of measured k-readings after myopic photorefrac...

Kazempour, Keshavarz,

The ABCD matrix method is used to simplifying the theoretical coupling efficiency calculation of Elegant Hermite-Cosh-Gaussian (EHChG) laser beams to a Single Mode Fiber (SMF) with a quadric lens formed on the tip. The integrals of coupling efficiency relation are calculated numerically by Boole method. Meanwhile, the structure parameters of surface-lensed fiber are optimized in numerical simul...

A theoretical analysis of the circuits for a nitrogen laser driven by the Blumlein or capacitor charge transfer transmission line is given in detail. The electrical characteristics of the charge line for a special case of resonant charging are discussed and the effects of various parameters on voltage and current are investigated. By using MICRO-CAP software the transient behavior of the curren...

Journal: :journal of lasers in medical sciences 0
mohammad reza razaghi laser application in medical sciences research center, shahid beheshti university of medical sciences, tehran, iran hooman mokhtarpour laser application in medical sciences research center, shahid beheshti university of medical sciences, tehran, iran mohammad mohsen mazloomfard laser application in medical sciences research center, shahid beheshti university of medical sciences, tehran, iran

introduction: laser-assisted vaporization of prostate tissue by means of the potassiumtitanyl- phosphate (ktp) laser is in clinical use. alternative laser sources are available but are lacking clinical experience.the 980 nm wavelength diode laser provides good hemostasis, in addition to a more rapid ablation rate. the aim of this study is approving the capability, feasibility, and good post-ope...

Journal: Polyolefins Journal 2020

Polyamide 6 / nitrile butadiene rubber / nanoclay (PA6/NBR/clay) nanocomposite has gathered wide acceptance in industry. Laser welding, as a fabrication method, is applied to welding of polymer nanocomposites. In this study, the input parameters (clay (Closite 30B) content, laser power, scan velocity and stand-off-distance) are varied to achieve the best responses (tensile strength of welds). R...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید