نتایج جستجو برای: eximer laser surgery

تعداد نتایج: 519113  

Journal: :بینا 0
حسین محمدربیع h mohammad rabei مرکز تحقیق و توسعه پژوهش های بالینی- مرکز آموزشی درمانی امام حسین (ع)- دانشگاه علوم پزشکی شهید بهشتی حمید نوروزی h norouzi مرکز تحقیق و توسعه پژوهش های بالینی- مرکز آموزشی درمانی امام حسین (ع)- دانشگاه علوم پزشکی شهید بهشتی نوشین دادبین n dadbin بیمارستان چشم پزشکی نگاه کوروش شیبانی k sheybani مرکز تحقیقات سلامت چشم- کلینیک بصیر

purpose: to evaluate the corneal endothelial cell density and polymegathism one year after laser assisted keratomileusis using mitomycin c. methods: one hundred and three eyes from 52 patients who underwent laser assisted sub-epithelial keratomileusis using mitomycin c 0.02% for 30 seconds entered this study. corneal endothelial cells were evaluated using specular microscopy before and one year...

Journal: :journal of lasers in medical sciences 0
akkrapol mungnirandr department of surgery, faculty of medicine, siriraj hospital, mahidol university, bangkok, thailand suwanna wiriyakamolphan perioperative nursing division, faculty of medicine, siriraj hospital, mahidol university, bangkok, thailand ravit ruangtrakool division of pediatric surgery, department of surgery, faculty of medicine, siriraj hospital, mahidol university, bangkok, thailand monawat ngerncham division of pediatric surgery, department of surgery, faculty of medicine, siriraj hospital, mahidol university, bangkok, thailand sureerat tumrongsombutsakul utilization management unit, siriraj hospital, bangkok, thailand bungorn leumcharoen utilization management unit, siriraj hospital, bangkok, thailand

introduction :   co 2 (carbon dioxide) laser application in circumcision, for cutting and coagulation, has been reported to have excellent results. also, tissue glue has been reported to have advantages over sutures for approximation of wound edges. most previous studies focused on comparisons between co 2 laser and scalpel, or between tissue glue and sutures. this study prospectively compared ...

Journal: :journal of craniomaxillofacial research 0
farnoosh mohammadi craniomaxillofacial research center, shariati hospital, tehran university of medical sciences, tehran, iran and oral and maxillofacial department, school of dentistry, tehran university of medical sciences, tehran, iran mahboube hasheminasab craniomaxillofacial research center, shariati hospital, tehran university of medical sciences, tehran, iran pejman pourakbar jahandide private practice

introduction : surgical removal of third molar is one of the most common surgical procedures in oral surgery and is often associated with complications such as pain, swelling and trismus. the main purpose of the study was to assess  the  therapeutic  effect  of  low  level  laser  (lll)  irradiation  on postoperative edema and wound healing compared to routine postoperative management after thi...

Guglielmo Cacciotti, Raffaele Roperto, Ettore Carpineta , Luciano Mastronardi , Maria Pia-Tonelli ,

Background: Vestibular Schwannoma (VS) is one of the skull base tumors originating from vestibular portion of eighth cranial nerve. Recently, 2 micro-Thulium laser is used in the surgery of some intracranial tumors. Objectives: Assessing the efficacy of 2 micro-Thulium flexible hand-held laser fiber (RevolixjrÒ) in microsurgical removal of VS. Materials and Methods: This retrospect...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1390

any change in the refractive index of a laser active medium can lead to serious degradation of beam quality, laser beam modes, laser performance and variation in the intensity distribution. alteration in the refractive index of laser active medium is especially notable in high power lasers. it is clear that in the laser beam production, the pumping agent induces a great amount of heat which...

Journal: :journal of lasers in medical sciences 0
mostafa mirshams shahshahani tehran university of medical sciences, razhi hospital amirhooshang ehsani tehran university of medical sciences, razhi hospital pedram noormohammadpour immuno-bullose research center, department of dermatology, tums, razi hospital fatemeh gholamali tehran university of medical sciences, razhi hospital

introduction: basal cell carcinoma (bcc) is the most common cutaneous malignancy. proffered treatment for these lesions is surgery. based on patient’s age, drug allergies, and place of lesions, surgery may not be the best option, and alternative treatments should be considered. pulsed dye laser (pdl) may be a good alternative therapy. the aim of the present study was to determine the effectiven...

Journal: :journal of lasers in medical sciences 0
somaye mazarei sotoode department of oral medicine, shahid beheshti university of medical sciences, tehran, iran somayyeh azimi department of oral medicine, shahid beheshti university of medical sciences, tehran, iran sayed alinaghi taheri school of chemistry, shahrood university of technology, shahrood, iran mohammad asnaashari department of endodontics, shahid beheshti university of medical sciences, tehran, iran hamidreza khalighi department of oral medicine, shahid beheshti university of medical sciences, tehran, iran somayeh rahmani department of oral medicine, shahid beheshti university of medical sciences, tehran, iran

introduction: the role of laser in conservative management of oral disease is well established. laser procedures are common in the fields of oral surgery, implant dentistry, endodontic, and periodontic therapy. case: this case series describes the use of diode laser for the excision of oral exophytic lesions. all the patients attended the oral medicine department of shahid beheshti university o...

Journal: :journal of lasers in medical sciences 0
reza fekrazad laser research center in medical sciences (lrcms), aja university of medical sciences- laser research center of dentistry (lrcd), school of dentistry, tehran university of medical sciences, tehran, iran katayoun am kalhori laser research center in medical sciences (lrcms), aja university of medical sciences- laser research center of dentistry (lrcd), school of dentistry, tehran university of medical sciences, tehran, iran nasim chiniforush laser research center of dentistry (lrcd), school of dentistry, tehran university of medical sciences, tehran, iran

vascular lesions rise from abnormalities in blood vessels or endothelial proliferation . capillary hemangiomas are formed by small capillaries surrounded by a layer of endothelial cells in a connective tissue stroma . various treatments are used for these conditions like excisional surgery , sclerotherapy, and recently laser irradiation. in this case study, we report successful treatment of int...

بهشتیان, آزاده, نیکبخت, بهزاد , نیکوبخت, نسیم, ایزدی, فرزاد, پوستی, سیدبهزاد,

    Background & Aim: Laryngeal obstruction due to vocal cord paralysis has been treated in many ways. The purpose of the present study is to evaluate the outcomes of posterior cordectomy by co2 laser and its effects on respiratory complications due to vocal cord paralysis. Patients & Method: In this pre and post-operative clinical trial, we made use of a 2-4 watt co2 laser which was connected ...

Journal: :journal of lasers in medical sciences 0
dawood aghamohammadi department of anesthesia, tabriz university of medical sciences, tabriz,iran mohammad eidi department of anesthesia, tabriz university of medical sciences, tabriz,iran alireza lotfi department of otorhinolaryngology, tabriz university of medical sciences, tabriz, iran hamzeh hosseinzadeh department of anesthesia, tabriz university of medical sciences, tabriz,iran reza movasaghi department of anesthesia, tabriz university of medical sciences, tabriz,iran negar motighini department of anesthesia, tabriz university of medical sciences, tabriz,iran

introduction: tonsillectomy is among commonest otorhinolaryngologic surgeries. many methods have been used to control post surgical pain, but despite it, pain is still one of the problems related to this operation. recently, due to the non invasiveness of low level lasers, this modality has attracted attention. the purpose of this study is to evaluate the effects of low level laser irradiation ...

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