نتایج جستجو برای: laser surgery

تعداد نتایج: 519112  

ژورنال: ارمغان دانش 2022

Background & aim: The formation and persistence of surgical wounds can cause a variety of complications, including pain, swelling, inflammation, re-infection, dysfunction, delay in the healing process and aesthetic problems. So far, various methods have been proposed to reduce these complications, one of which is the use of low-level lasers. The aim of this study was to investigate the effect o...

Journal: :journal of lasers in medical sciences 0
abbas karimi department of oral and maxillofacial surgery, school of dentistry, tehran university of medical sciences, tehran, iran farhad sobouti orthodontic department, dental faculty, mazandarn university of medical sciences, sari, iran sara torabi department of periodontics, dental school, hamadan university of medical sciences, hamadan, iran ali bakhshandehfard maxillofacial surgeon, private practice, tehran, iran armaghan amirian maxillofacial surgeon, private practice, tehran, iran mahsa shariati department of oral and maxillofacial surgery, craniomaxillofacial research center, tehran university of medical sciences, tehran, iran

introduction: epulis fissuratum is often formed as a result of a poor fitting denture. the conventional treatment for this fibrous hyperplastic tissue is to excise it using a scalpel and to close the wound by a continuous or an interrupted suture. the increased utilization of lasers in dentistry also includes the utilization of carbon dioxide (co2) lasers in place of surgical scalpels in soft t...

ژورنال: توانبخشی 2023

Objective Today transoral laser microsurgery is considered as one of the first options to control early laryngeal cancer, and voice disorder is one of the inevitable complications of this therapeutic component. This study aimed to compare the vocal function in patients with early-stage laryngeal cancer following laser surgery with healthy individuals with normal voice quality using acoustic ana...

Journal: :journal of craniomaxillofacial research 0
mehrnoush momeni roochi craniomaxillofacial research center, tehran university of medical sciences, tehran, iran. oral and maxillofacial surgery department, school of dentistry, tehran university of medical sciences, tehran, iran. hossein heidar craniomaxillofacial research center, tehran university of medical sciences, tehran, iran. oral and maxillofacial surgery department, school of dentistry, tehran university of medical sciences, tehran, iran. sheida kordi dentist, private practice. naghmeh bahrami

objectives : this study sought to assess the effect of low-level laser (lll) on pain and trismus after impacted mandibular third molar surgery. materials and methods : this double blind controlled clinical trial was conducted on 40 healthy patients with no underlying disease and impacted mesioangular mandibular third molars with the same level of difficulty. the patients were divided into two g...

M Mandegar Fard N Farsi

Lymphangioma circumscriptum is a congenital lymphatic malformation that results in gradual dilatation of lymphatic vessels and development of lymphatic cisterns. The treatment of choice is radical surgery. Other treatment methods including cryotherapy, sclerosing agent injections, radiation therapy and CO2 laser were suggested. We report successful treatment of a 14-year-old boy affected with l...

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...

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