نتایج جستجو برای: blue red laser he laser diode

تعداد نتایج: 550014  

Journal: :The British journal of ophthalmology 2000
S Harino Y Iwahashi Y Oshima M Sawa H Nakamura

BACKGROUND/AIMS A new real time monitoring system has been developed to locate the fixation point during juxtafoveal laser photocoagulation. METHOD The red diode laser beam is combined coaxially with the illumination beam to image a cross in the focal plane of the slit lamp, which allows projection of a red cross onto the patient's fundus. 27 patients with juxtafoveal choroidal neovascularisa...

Journal: :The International journal of oral & maxillofacial implants 2016
Anna Saffarpour Reza Fekrazad Maryam Naghavi Heibati Abbas Bahador Aida Saffarpour Amir R Rokn Aysel Iranparvar Mohammad J KharaziFard

PURPOSE Peri-implantitis is a common complication of dental implants. The first step of treatment is elimination of bacterial biofilm and disinfection of the implant surface. This study sought to compare the effects of an erbium-doped yttrium aluminum garnet (Er:YAG) laser, photodynamic therapy using an indocyanin green-based photosensitizer (ICG-based PS) and diode laser, toluidine blue O (TBO...

2015
Ismael Cordero

of a range of eye problems with little risk of infection. Many laser procedures are relatively pain free and can be performed on an outpatient basis. The combination of safety, accuracy, and relative low cost make lasers very useful ophthalmic tools. The word laser is an acronym for ‘light amplifi cation by stimulated emission of radiation’. Laser light is coherent (the waves are in phase in sp...

Journal: :dental research journal 0
parichehr ghalayani gholamreza jahanshahi reza birang mona bazazzadeh

background: the aim of this study was to compare the effects of diode laser irradiation on wound healing in oral rat mucosa and also to measure the amount of inducible nitric oxide synthase (inos) and endothelial nos (enos) on oral wound healing. healing was assessed by histology and the amounts of enos and inos were measured by real‑time polymerase chain reaction (pcr). materials and methods: ...

2004

In recent years, the use of low-intensity red light in regeneration of soft tissue has been increasingly pursued. As far as hard tissue is concerned, the biostimulating effect of laser has already been demonstrated successfully in more rapid healing of tibial bone fractures in mice at a dosage of 2.4 J. However, the effect of light of a low dose laser directly on osteoblasts has not been invest...

Journal: :Journal of lasers in medical sciences 2013
Ehsan Azma Nassimeh Safavi

INTRODUCTION Diode laser with wavelengths ranging from 810 to 980 nm in a continuous or pulsed mode was used as a possible instrument for soft tissue surgery in the oral cavity. DISCUSSION Diode laser is one of laser systems in which photons are produced by electric current with wavelengths of 810, 940 and 980nm. The application of diode laser in soft tissue oral surgery has been evaluated fr...

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