نتایج جستجو برای: low level determination

تعداد نتایج: 2299958  

Journal: :journal of lasers in medical sciences 0
reza amid department of periodontics, school of dentistry, shahid beheshti university of medical sciences, tehran, iran mahdi kadkhodazadeh department of periodontics, school of dentistry, shahid beheshti university of medical sciences, tehran, iran mitra ghazizadeh ahsaie gifted and talented dental students division, students’ research committee, school of dentistry, shahid beheshti university of medical sciences, tehran, iran arian hakakzadeh gifted and talented dental students division, students’ research committee, school of dentistry, shahid beheshti university of medical sciences, tehran, iran

introduction: low level laser therapy (lllt) also known as photobiomodulation, is a treatment that uses low-level lasers or light-emitting diodes (leds) to change cellular function and is a clinically well accepted tool in regenerative medicine and dentistry. considering the variety of laser, exposure, cells and study types, the exact effects of low level laser therapy seems to be unclear. the ...

Journal: :journal of lasers in medical sciences 0
ardavan etemadi laser research center in dentistry, tehran university of medical sciences mostafa sadeghi associate professor, department of restorative dentistry, school of dentistry, rafsanjan university of medical sciences, rafsanjan, iran. mohamad hosein dadjou dds, rafsanjan, iran

introduction: tooth pain and sensitization are the two main causes of discomfort after periodontal flap surgery. effects of low level laser therapy for reducing pain have already been established; these kinds of lasers have been used for tooth desensitization as well. this controlled blind study sought to compare tooth pain and sensitization after 660nm laser irradiation in a split mouth and al...

Journal: :journal of dentistry, tehran university of medical sciences 0
soghra yassaei department of orthodontics, faculty of dentistry, shahid sadoughi university of medical sciences, yazd, iran. reza fekrazad department of periodontics, shahid beheshti university of medical sciences, tehran, iran. neda shahraki department of orthodontics, faculty of dentistry, shahid sadoughi university of medical sciences, yazd, iran.

increased duration of fixed orthodontic treatments leads to increased tooth root degeneration, gum inflammation and tooth caries. to decrease the time period of orthodontic treatment, it is essential to facilitate tooth movement or in other words increase the speed of bone remodeling. use of low level laser therapy is a method for achieving this goal.

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: :journal of lasers in medical sciences 0
seyyed amir seyyedi department of oral medicine, faculty of dentistry, urmia university of medical sciences, urmia, iran pooya olyaee department of orthodontics, faculty of dentistry, urmia university of medical sciences, urmia, iran zohreh dalirsani oral and maxillofacial diseases research center, faculty of dentistry, mashhad university of medical sciences, mashhad, iran farnaz falaki oral and maxillofacial diseases research center, faculty of dentistry, mashhad university of medical sciences, mashhad, iran

low-power lasers are a group of lasers with a power less than 500 mw and unlike high-power lasers they have no effect on tissue temperature; they produce light-dependent chemical reactions in tissues. the purpose of this study was to review the clinical applications of these lasers and their success rate in different studies in orofacial pains. the articles with the key word “low level laser th...

Nowadays, libraries face the “engagement crisis” according to the development of information and communication technologies as well as the presence of electronic information providers in digital environments. Accordingly, one of the most new presence concepts in this field is “gamifying the library services”. Gamification has been defined as a process of enhancing services with motivational aff...

Journal: :Journal of the Food Hygienic Society of Japan (Shokuhin Eiseigaku Zasshi) 2003

پایان نامه :0 1374

this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...

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