نتایج جستجو برای: laser flourimetry

تعداد نتایج: 183634  

Journal: :journal of lasers in medical sciences 0
jamileh bigom taheri school of dentistry, shahid beheshti university of medical sciences, tehran, iran fatemeh bagheri school of dentistry, shahid beheshti university of medical sciences, tehran, iran masood mojahedi school of dentistry, shahid beheshti university of medical sciences, tehran, iran nafise shamloo school of dentistry, shahid beheshti university of medical sciences, tehran, iran mohammad reza nakhostin school of dentistry, shahid beheshti university of medical sciences, tehran, iran somayyeh azimi school of dentistry, shahid beheshti university of medical sciences, tehran, iran

introduction: different modalities have been used to achieve better results in wound healing among which are laser and pharmacological agents. to our knowledge, there is no investigation to compare phenytoin and laser together. in this study, we aimed to evaluate laser and phenytoin efficacy and compare their effect on wound healing. methods: we used 60 rats. the animals were divided into 4 gro...

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Journal: :anesthesiology and pain medicine 0
sholeh nesioonpour department of anesthesiology, pain research center, ahvaz jundishapur university of medical sciences, ahvaz, iran soheila mokmeli canadian optic and laser center, col center, victoria, canada salman vojdani department of anesthesiology, pain research center, ahvaz jundishapur university of medical sciences, ahvaz, iran; department of anesthesiology, pain research center, ahvaz jundishapur university of medical sciences, ahvaz, iran. tel: +98-6112220168, fax: +98-6112220168 ahmadreza mohtadi department of anesthesiology, pain research center, ahvaz jundishapur university of medical sciences, ahvaz, iran reza akhondzadeh department of anesthesiology, pain research center, ahvaz jundishapur university of medical sciences, ahvaz, iran kaveh behaeen department of anesthesiology, pain research center, ahvaz jundishapur university of medical sciences, ahvaz, iran

background postoperative pain is a common complication that can lead to serious morbidities and delayed recovery. objectives the aim of this study was to investigate the effect of low-level laser therapy on acute pain after tibial fracture surgery. patients and methods in this randomized clinical trial, 54 patients who were candidate for tibial fracture surgery were allocated randomly to two gr...

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ژورنال: مجله دندانپزشکی 2014
الفقهایی, حانیه نخبه , حیدری, محدثه , شمشیری, احمد رضا , فکرآزاد, رضا , مسلمی, ندا , پاک‌نژاد, مژگان , یعقوبی, سیامک ,

  Background and Aims : Free gingival graft is one of the most predictable procedures for gingival augmentation, but patient’s discomfort and pain during healing period of palatal donor site is a significant concern. The aim of this study was to evaluate the effect of 660nm low power laser on pain and healing in palatal donor sites.   Materials and Methods: The present split mouth randomized co...

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ژورنال: مجله علمی دانشگاه علوم پزشکی رفسنجان 2012
شاهی مریدی, دادا... , ملاحسینی, مجید , وزیری‌نژاد, رضا ,

  Background and Objectives: Plantar fasciitis has very important performance in function of the foot that this is which causes the arc of the foot. Long strech on this fascia causes inflammation and calcaneal pain. The aim of this study was to evaluate the effectiveness of low power laser in the treatment of plantar fasciitis.   Materials and Methods: This study was a double blinded clinical t...

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Journal: :journal of lasers in medical sciences 0
mohammad asnaashari endodontist, dds, ms, shahid beheshti university of medical sciences, dental school, endodontic department nikou asnaashari mastership of laser in dentistry, dds

the standards of endodontics have constantly been raised in the last 25 years by practitioners’ researches and their interest. most of the scientists believe the recent developments and the use of lasers as the most exciting achievement in endodontic treatment. nowadays, lasers are being used in endodontics to improve the prognosis of the root-filled teeth. the implement of suitable wavelengths...

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Journal: :journal of lasers in medical sciences 0
nasrin zand medical laser research center (mlrc), iranian center for medical laser (icml), academic center for education, culture and research (acecr), tehran, iran parvin mansouri skin and stem cell research center, tehran university of medical sciences (tums), tehran, iran mohsen fateh medical laser research center (mlrc), icml, academic center for education, culture and research (acecr), tehran, iran leila ataie-fashtami department of regenerative medicine, royan institute for stem cell biology & technology, medical laser samad rezaee khiabanloo imam hospital, tehran university of medical sciences (tums), tehran, iran farid safar imam hospital, tehran university of medical sciences (tums), tehran, iran

introduction: pemphigus vulgaris (pv) is a chronic, serious autoimmune mucocutaneous bullous disease. oral lesions in pv may be extremely painful. this pain may adversely affect the patients’ oral intake and quality of life. this before-after clinical trial was designed to assess the pain relieving effects of single session of non-ablative, non-thermal co2 laser therapy (ntclt) in oral lesions ...

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Journal: :journal of dental research, dental clinics, dental prospects 0
siavash savadi oskoee parnian alizadeh oskoee elmira jafari navimipour amir ahmad ajami fatemeh pournaghi azar sahand rikhtegaran

background and aims. considering the importance of disinfecting dentin after cavity preparation and the possible effect of disinfection methods on induction of various reactions between the tooth structure and the adhesive restorative material, the aim of the present study was to evaluate microleakage of composite resin restorations after disinfecting the prepared dentin surface with nd:yag and...

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Journal: :journal of lasers in medical sciences 0
ehsan azma nassimeh safavi laser application in medical sciences research center, shahid beheshti university of medical sciences, tehran, iran

introduction: diode laser with wavelengths ranging from 810 to 980 nm in a continuous or pulsed mode was used as a possible instrument for soft tissue surgery in the oral cavity. discussion: diode laser is one of laser systems in which photons are produced by electric current with wavelengths of 810, 940 and 980nm. the application of diode laser in soft tissue oral surgery has been evaluated fr...

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Journal: Journal of Advanced Materials and Processing 2013
F MalekGhaini M jokar M. J. Torkamany

This work studied the effect of additions of carbon dioxide to argon shielding gas on the weld shape and microstructure of ST14 steel in pulsed Nd: YAG laser welding. By additions of carbon dioxide up to 15%,the weld area and depth/width ratio decreases while rising of carbon dioxide up to 25% causes increasing of weld area and depth/width ratio. It is observed that the weld metal microstructur...

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ژورنال: پژوهش فیزیک ایران 2013
ایرانی, شلیر , حبیبی, مهدی , حکیمی پژوه, حسین,

 We have considered the self-focusing of a Gaussian laser pulse in unmagnetized plasma. High-intensity electromagnetic fields cause the variation of electron density in plasma. These changes in the special conditions cause the acceleration of electrons to the higher energy and velocities. Thus the equation of plasma density evolution was obtained considering the electrons ponderomotive force. T...

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