نتایج جستجو برای: power laser therapy
تعداد نتایج: 1291636 فیلتر نتایج به سال:
the aim of this project is to fabricated an aluminium-copper bimetal through the fusion method and examine its performance. an aluminium-copper-aluminium bimetal was built by the laser cladding method. the laser power as well as the annealing time effects on its interfacial properties of the bonding’s formed through the laser cladding were investigated. to fabricate the multilayer bimetal, the ...
Introduction: The aim of the present study was to determine burn intensity in retinal laser photocoagulation based on laser parameters; wavelength, power, beam size and pulse duration, using Optical Coherence Tomography (OCT), fundus camera, physical eye model and computer simulation in a clinical study.Materials and Methods: Participants were 10 adult patients between 50-80 years with prolifer...
Tissue that is damaged and poorly oxygenated as a result of swelling, trauma or inflammation has been shown to have a positive response to laser therapy irradiation. Deep penetrating photons activate a biochemical cascade of events leading to rapid cellular regeneration, normalization and healing. Laser light energy is highly absorbed by skin and subcutaneous tissue, therefore, penetration is k...
Background and Objective: Photodynamic therapy is a new therapeutic modality for the treatment of cancer. Photodynamic therapy uses an inactive drug and a light source to activate the drug to produce reactive oxygen species that destroy the cancer cells. In the present study, the effect of two different laser light sources on the efficiency of photodynamic therapy was evaluated using a breast c...
Background and Objectives: Since the myofascial pain syndrome is a common condition in the trapezius muscle, the present study aimed to determine and compare the effects of laser therapy, exercise and medication among patients diagnosed with myofascial pain syndrome of the upper trapezius muscle, referred to the clinics of physical medicine in Isfahan in 2013. Materials and Methods: In this cl...
Background: Acupuncture is an indispensable part of traditional Chinese medicine for relief of pain. The purpose of this study was the immediate & latent of low power LASER Ga-Al-As irradiation applied to acupuncture points on experimental pain threshold. Methods: This quasi-experimental study was conducted on seventy adult women ranging from 20 to 40 years old assigned randomly into two groups...
Introduction: In periodontal pockets, the exposed root surfaces are contaminated with an accumulation of plaque and calculus. Usually, in the initial phase of periodontal therapy, debridement of the diseased root surface is non surgically. However, complete removal of plaque and calculus is not always achieved with only the use of conventional mechanical therapy. The outcome of other studies sh...
objective: the aim of this study was to evaluate and compare the effect of dental surface treatment with er:yag , nd:yag ,co2 lasers and sodium ascorbate to recently laser bleached enamel by scanning electron microscope (sem). methods: 15caries-free extracted human third molars were selected for this study. the samples were bleached by heydent jw power activated by diode laser 810 nm. after 7 d...
background: the effectiveness of low power lasers on incisional wound healing, because of confl icting results of previous studies, is uncertain. therefore, the aim of this study was to evaluate the effects of low-level helium-neon (he-ne) laser irradiation on wound healing in rat’s oral mucosa. materials and methods: sixty-four standardized incisions were carried out on the buccal mucosa of 32...
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