نتایج جستجو برای: لیزر nd yag

تعداد نتایج: 35929  

2017
Ren Wang Xing Wu Jin-Jin Chen Bing Hu

Objective: To evaluate therapy effects and capability to preserve adjacent tissues of bilateral focal prostate ablation using Nd: YAG laser a canine model. Methods: 24 male Beagle dogs aged 3.9-7.4 years and weighting 9.4-12.1 kg were used in this study. The dogs underwent single focal Nd: YAG ablation. Applied the reasonable prostatic ablation parameters screened in the study and set different...

2016
P. David Charles Ponsekar Abraham Anandapandian Shila Samuel

STATEMENT OF PROBLEM The osseointegration of dental implant is related to their composition and surface treatment. Titanium zirconium (TiZr) has been introduced as an alternative to the commercially pure titanium and its alloys as dental implant material, which is attributed to its superior mechanical and biological properties. Surface treatments of TiZr have been introduced to enhance their os...

Journal: :journal of lasers in medical sciences 0
abdollah ghorbanzadeh endodontic department, school of dentistry, tehran university of medical sciences, tehran, iran mohsen aminsobhani endodontic department, school of dentistry, tehran university of medical sciences and aja university of medical sciences, tehran, iran khosro sohrabi laser research center of dentistry, school of dentistry, tehran university of medical sciences, tehran, iran nasim chiniforush laser research center of dentistry, school of dentistry, tehran university of medical sciences, tehran, iran sarvenaz ghafari endodontic department, school of dentistry, kermanshah university of medical sciences, kermanshah, iran ahmad reza shamshiri epidemiologist, tehran university of medical sciences, tehran, iran

introduction: the penetration depth of irrigating solutions in dentinal tubules is limited; consequently, bacteria can remain inside dentinal tubules after the cleaning and shaping of the root canal system. therefore, new irrigation systems are required to increase the penetration depth of irrigating solutions in dentinal tubules. methods: a comparative study regarding the penetration depth of ...

Journal: :Journal of the College of Physicians and Surgeons--Pakistan : JCPSP 2010
Muhammad Waseem Haseeb Ahmed Khan

OBJECTIVE To determine the frequency of raised intraocular pressure (IOP) after Nd: YAG laser posterior capsulotomy and its association with the energy used with raised versus normal intraocular pressure in pseudophakes. STUDY DESIGN Comparative, cross-sectional study. PLACE AND DURATION OF STUDY Ophthalmology Department, PNS Shifa Hospital, Karachi, from August 2008 to February 2009. MET...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده علوم پایه 1389

در این پایان نامه ابتدا نانو ذرات دی اکسید تیتانیم یا تیتانیا به روش شیمیایی sol-gel در دو فاز آناتاز و روتایل سنتز شده است. سپس این نانو ذرات به کمک الگوهای پراش اشعه x (xrd) طیف سنجی uv-vis و میکروسکوب الکترونی رویشی (sem) مشخصه یابی شده است. الگوی پراش اشعه x و تصاویر sem تشکیل ساختارهای نانومتری دی اکسکیدتیتانیم تهیه شده و به روش sol-gel را تایید می کنند ساختار و میانگین اندازه نانو ذرات به...

Introduction: In order to increase the bonding strength of the composite resin cements to the indirect composites, experiments such as the creation of surface roughness with sandblasting, acid-etching, silane application, laser, etc. have been carried out. However, there is no consensus about the results. Therefore, the purpose of this study was to investigate the effect of Er: YAG and Nd: YAG ...

Journal: :journal of lasers in medical sciences 0
maryam karandish orthodontic department, school of dentistry, shiraz university of medical sciences, shiraz, iran

used in conjunction with or as a replacement for traditional methods, it is expected that specific laser technologies will become an essential component of contemporary dental practice over the next decade. the current review is designed to focus on the acid resistance of laser application and tries to introduce laser settings capable to achieve this feature for clinical application. applicatio...

Journal: :Journal of the European Academy of Dermatology and Venereology : JEADV 2012
J H Lee S Y Na M Choi H S Park S Cho

BACKGROUND Long-pulsed Nd : YAG laser has been used in treating larger and deep-seated leg veins. OBJECTIVE This study investigated the effectiveness and safety of long-pulsed Nd : YAG laser to treat alae nasae and nasal tip telangiectasia. METHODS Twelve patients were evaluated in a prospective IRB approved study. They had a history of previous unsatisfactory treatments with pulsed dye las...

Journal: :Chang Gung medical journal 2002
Wan-Chen Ku Lan-Hsin Chuang Chi-Chun Lai

BACKGROUND According to the high prevalence of myopia in Taiwan, we analyze the adopted cataract extractions, identify predicting factors for postoperative vision, and to assess the incidence of retinal complications after Nd: YAG laser capsulotomy in high myopic eyes. METHODS One hundred and twenty-five eyes, which the axial lengths were longer than 26 mm, following cataract extraction were ...

Journal: :Kathmandu University medical journal 2012
D Karn S K C A Amatya E A Razouria M Timalsina A Suwal

BACKGROUND Nepalese population with Fitzpatrick skin types III-V has high prevalence of pigmentary disorders and it is a growing cosmetic concern. Q-Switched Neodymium- Doped Yttrium Aluminum Garnet (QS Nd-YAG) laser is an efficacious tool in the treatment of pigment disorders. OBJECTIVE To highlight the efficacy and safety profile of various pigment disorders. METHODS A prospective study d...

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