نتایج جستجو برای: level laser

تعداد نتایج: 1250818  

Journal: :journal of dentistry, tehran university of medical sciences 0
t ebrahimi dentist, dental research center, tehran university of medical sciences. n moslemi ar rokn m heidari h nokhbatolfoghahaie r fekrazad

low-intensity laser therapy (lilt) is defined to supply direct biostimulative light energy to the cells. while several studies have demonstrated that lilt has stimulating effects on bone cells and can accelerate the repair process of the bone, others reported delayed fracture healing or no effects after lilt. the aim of this article was to review the studies evaluating the biomodulation effects...

Journal: :journal of dental research, dental clinics, dental prospects 0
farnaz falaki assistant professor of oral medicine, oral & maxillofacial diseases research center, faculty of dentistry, mashhad university of medical sciences, mashhad, iran. amir hossein nejat general dentist, mashhad, iran. zohreh dalirsani associate professor of oral medicine, dental research center, faculty of dentistry, mashhad university of medical sciences, mashhad, iran.

the effect of low intensity laser radiation in the treatment of acute and chronic pain is now established in many studies. trigeminal neuralgia is a pain passes through nerve’s branches and its trigger is located in skin or mucosa that could lead to pain with a trigger stimulus. the pain involved branches of trigeminal nerve that sometimes has patients to seek the treatment for several years. n...

Journal: :international clinical neurosciences journal 0
mahdieh kerdari neuroscience research center (nrc), iran university of medical sciences, tehran, iran ghazal hamid behnam department of nuclear engineering, sciences and researches branch, islamic azad university, tehran, iran mona farhadi department of microbiology, karaj branch, islamic azad university, karaj, iran masumeh masoumipoor department of nuclear engineering, sciences and researches branch, islamic azad university, tehran, iran sajad hassanzadeh department of anatomy, faculty of medicine, iran university of medical sciences, tehran, iran maryam soleimani department of basic sciences, university of welfare and rehabilitation sciences, tehran, iran

background: neuropathic pain (np) is a serious suffering medical condition that frequently leads to disability and life style changes. although the exact mechanisms of np are still unknown, recently the role of reactive oxygen species (ros) reported as an important factor for np. apoptosis, increase of atp production and reduction of antioxidants are also the other factors influencing in np. th...

Journal: :journal of lasers in medical sciences 0
massoud seifi elahe vahid-dastjerdi

low-level laser therapy (lllt) provides several benefits for patients receiving orthodontic treatment. according to some literatures, orthodontic tooth movement (otm) can be enhanced but some investigators have reported contradictory results. this article reviews the literature regarding the different aspects of the use of lllt on otm and its alterations. the general data regarding the study de...

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 ...

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 nasim chiniforush laser research center of dentistry (lrcd), school of dentistry, tehran university of medical sciences, tehran, iran

introduction: oral mucositis is considered a severe complication in cancer patients receiving radiotherapy or chemotherapy for head and neck cancer. the aim of this review study was to assess the effect of low level laser therapy for prevention and management of oral mucositis in cancer patients. methods: the electronic databases searched included pubmed, isi web of knowledge and google scholar...

Journal: :journal of lasers in medical sciences 0
seyed mehdi tabaie medical laser research center , acecr, tehran, iran hoda berenji ardestani medical laser research center , acecr, tehran, iran mir hadi azizjalali department of dermatology, hazrat-e rasool hospital, iran university of medical sciences, tehran, iran

introduction: photobiostimulation with low level laser (lll) has been used in medicine for a long time and its effects have been shown in many diseases. some studies have evaluated the effect of lll on androgenic alopecia. one of the most important limitations of the use of lll in the treatment of alopecia is the requirement for multiple sessions, which is hardly accepted by patients. this stud...

Journal: :journal of lasers in medical sciences 0
somayeh dastanpour department of oral medicine, dental faculty, shahid beheshti university of medical sciences, tehran, iran. jalil momen beitollahi dental research center, dental faculty, tehran university of medical sciences, tehran, iran. kazem saber laser research center in dentistry, dental faculty, tehran university of medical sciences, tehran, iran

introduction: laser phototherapy is used for the treatment of chemotherapy-induced oral mucositis in patients with leukemia, although there are limited data supporting the safety of this method. this study aimed to evaluate the effect of different doses of low-level laser on proliferation of acute myeloid leukemia (aml) cell line (kg-1a) in vitro. methods: a plastic flask containing 5,000,000 k...

Journal: :journal of lasers in medical sciences 0
seyed mansoor rayegani physical medicine and rehabilitation department, shohada-e-tajrish medical center, shahid beheshti university of medical sciences, tehran, iran mohammad hasan bahrami physical medicine and rehabilitation department, shohada-e-tajrish medical center, shahid beheshti university of medical sciences, tehran, iran darisuh eliaspour physical medicine and rehabilitation department, shohada-e-tajrish medical center, shahid beheshti university of medical sciences, tehran, iran seyed ahmad raeissadat physical medicine and rehabilitation department, shahid modarres medical center, shahid beheshti university of medical sciences, tehran, iran mostafa shafi tabar samakoosh physical medicine and rehabilitation department, shohada-e-tajrish medical center, shahid beheshti university of medical sciences, tehran, iran leyla sedihgipour laser application in medical sciences research center, shahid beheshti university of medical sciences, tehran, iran

introduction: carpal tunnel syndrome (cts) is the most common type of entrapment neuropathy. conservative therapy is usually considered as the first step in the management of cts. low level laser therapy (lllt) is among the new physical modalities, which has shown therapeutic effects in cts. the aim of the present study was to compare the effects of applying laser and splinting together with sp...

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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