نتایج جستجو برای: laser

تعداد نتایج: 183632  

Since 1976, Shooting was include in Paralympics sport mach’s to establish same target conditions for different types of handicapped people, it is essential design a system of “laser target controls”. In this study, a laser target controller is designed by determinable of wave length of laser accuracy then, by using parameters, performance and ever redacting, theses wave length import as inp...

Journal: :journal of lasers in medical sciences 0
mahshid mohammadi bassir department of operative dentistry, school of dentistry, shahed university of medical sciences, tehran, iran mohammad bagher rezvani department of operative dentistry, school of dentistry, shahed university of medical sciences, tehran, iran nasim chiniforush laser research center of dentistry (lrcd), school of dentistry, tehran university of medical sciences, tehran, iran zohreh moradi department of operative dentistry, school of dentistry, shahed university of medical sciences, tehran, iran

introduction: the aim of this study was to evaluate the effect of dental surface treatment with erbium-doped yttrium aluminum garnet(er: yag), neodymium-doped yttrium aluminium garnet(nd: yag) and carbon dioxide laser  (co 2 ) lasers and sodium ascorbate to recently home bleached enamel by scanning electron microscope (sem). methods: thirty extracted human third molars were selected for this in...

Introduction: By introducing of laser systems and their continuous development, a new chapter of laser systems applications in a variety fields including research and clinical science in addition to the therapeutic, diagnostic applications were available for medical professionals in various fields. Most lasers emit radiation with intrinsic probable risks where in laser-tissue i...

Journal: :journal of lasers in medical sciences 0
mohammad ali ansari laser research institude, shahid beheshti university, tehran, iran. ezeddin mohajerani laser research institude, shahid beheshti university, tehran, iran.

today, lasers are widely used in biology and medicine, and the majority of healthcenters and hospitals utilize modern laser systems for diagnosis and therapy applications.researchers have introduced different medical applications for different lasers used in surgeries and other medical treatments. medical lasers can be categorized in both diagnosis and therapy branches. main difference between ...

Journal: :journal of lasers in medical sciences 0
farhad hamad mustafa medical physics and radiation science, college of pharmacy, hawler medical university, 44002 erbil, iraq mohamad suhimi jaafar medical physics and laser research group, school of physics, universiti sains malaysia, 11800 penang, malaysia asaad hamid ismail radiation science and medical physics, education college, physics department, salahaddin university, 44002 erbil, iraq kussay nugamesh mutter engineering physics, school of physics, universiti sains malaysia, 11800 penang, malaysia

introduction: to improve laser hair removal (lhr) for dark skin, the fluence rate reaching the hair follicle in lhr is important. this paper presents the results of a comparative study examining the function of wavelength on dark skin types using 755 nm alexandrite and 810 nm diode lasers. methods: the structure of the skin was created using a realistic skin model by the advanced systems analys...

Journal: :journal of lasers in medical sciences 0
simin saryazdi department of dermatology, afzalipour hospital, kerman, iran azadeh mohebbi department of dermatology, afzalipour hospital, kerman, iran

introduction: acne scar is formed after severe episodes of acne in teen and earlyadult years. several treatment options have been used for depressed acne scars suchas punch grafting, punch excision carbon dioxide (co2) laser etc. moreover, studiesshow that laser skin resurfacing such as co2 fractional can effectively treat depressedacne scars. we investigated the efficacy of fractional co2 lase...

Journal: :journal of lasers in medical sciences 0
seyed alireza ghavam laser application in medical sciences research center, shahid beheshti university of medical sciences, tehran, iran saeed aref tehran university of medical sciences, tehran, iran ezedin mohajerani laser and plasma research institute, shahid beheshti university, tehran, iran mohammad reza shidfar department of medical parasitology and mycology, tehran university of medical sciences, tehran, iran hamideh moravvej skin research center, shahid beheshti university of medical sciences, tehran, iran

introduction: trichophyton rubrum is one of the most common species of dermatophytes which affects superficial keratinous tissue. it is not especially virulent but it can be responsible for considerable morbidity. although there are different therapeutic modalities to treat fungal infections, clinicians are searching for alternative treatment because of the various side effects of the present t...

Journal: :journal of lasers in medical sciences 0
abbas majdabadi nuclear science and technology research institute, laser and optic resrearch school, tehran, iran mohammed abazari faculty of energy engineering and physics, amirkabir university of technology (tehran polytechnic), tehran, iran

i ntroduction: liposuction using laser is now one of the most common cosmetic surgery. this new method has minimized the disadvantages of the conventional liposuction including blood loss, skin laxity and long recovery time. benefits of the new liposuction methods which include less trauma, bleeding and skin tightening prove the superiority of these methods over the traditional mechanical metho...

Amir Hooshyar Farhad Tabatabaee6 Mohammad Etrati Khosroshahi, Mohammad Sadegh Nourbakhsh Pirooz Salehian Shahram Rabbani Sohrab Saremi

Introduction: Laser tissue soldering using albumin and indocyanine green dye (ICG) is an effective technique utilized in various surgical procedures. The purpose of this study was to perform laser soldering of rat skin under a feedback control system and compare the results with those obtained using standard sutures. Material and Methods: Skin incisions were made over eight rats’ dorsa, which w...

ژورنال: مجله دندانپزشکی 2005
محمودهاشمی, حمید ,

Background and Aim: The treatment of epulis fissuratum is surgery, but a new proposed modality is laser surgery. The aim of this study was the comparison between laser and blade surgery in the treatment of epulis fissuratum. Materials and Methods: In this clinical trial, 12 patients with epulis fissuratum were selected. The lesions were divided into two parts. One part was resected by laser and...

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