نتایج جستجو برای: laser parameters of surgery
تعداد نتایج: 21261762 فیلتر نتایج به سال:
the application of laser in dentistry is considered as a favorable technique for patients due to its many advantages compare to other current methods. one of the main goals in pediatric dentistry is to provide the treatment as comfortable as possible without any risks for the care. laser is being used in different pediatric dental conditions including caries detection, caries removal and cavity...
background: vestibular schwannoma (vs) is one of the skull base tumors originating from vestibular portion of eighth cranial nerve. recently, 2μ- thulium laser is used in the surgery of some intracranial tumors. objectives: assessing the efficacy of 2μ-thulium flexible hand-held laser fiber (revolixjrò) in microsurgical removal of vs. materials and methods: this retrospective non-randomized stu...
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 retrospective non-rando...
Damage of the normal tissue is a serious concenrn in cancer treatment. Hyperthermia by laserhas been considered as a safe cancer treatments methods with lower harmful effects on normaltissues. Using nanoparticles in cancer treatment has improved laser therapy, which is based ona selective cell targeting method to localize cell damages. Metallic nanoparticles such as gold,silver, and copper have...
چکیده ندارد.
The nervous system has an important and vital role in the human body, but unfortunately the repairment of damaged nervous tissue is very slowly. For a long time, the scientists have been involved in finding ways to speed up this process. Radiation of low power He-Ne laser has been suggested to as a way to improve this issue. In this study, 20 rats were divided randomly into control and case gro...
Femtosecond laser-assisted cataract surgery has grown in popularity among ophthalmologists as a novel technique with the potential to reduce phacoemulsification energy requirements.1,2 However, early adoption of femtosecond laser-assisted cataract surgery by experienced cataract surgeons has been associated with a significant learning curve.3 Roberts et al. reported higher complication rates in...
OBJECTIVES/HYPOTHESIS Recurrent respiratory papillomatosis (RRP) is a benign epithelial tumor that exhibits a high frequency of recurrence. This study assesses the vocal function after laser treatment for RRP, particularly in relation to the frequency of surgery. STUDY DESIGN Retrospective study. METHODS Thirty RRP patients who underwent laser surgery that controlled the tumor were included...
PURPOSE To assess the effect of ocular media opacity on retinal nerve fiber layer (RNFL) thickness measurements by optical coherence tomography (OCT). METHODS In this prospective, non-randomized clinical study, ocular examinations and OCT measurements were performed on 77 cataract patients, 80 laser refractive surgery patients and 90 patients whose signal strength on OCT was different on two ...
there are many approaches for solving variety combinatorial optimization problems (np-compelete) that devided to exact solutions and approximate solutions. exact methods can only be used for very small size instances due to their expontional search space. for real-world problems, we have to employ approximate methods such as evolutionary algorithms (eas) that find a near-optimal solution in a r...
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