Er: YAG Laser Device for Taking Blood Samples
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چکیده
منابع مشابه
Er: YAG Laser Device for Taking Blood Samples
Problem statement: Secure methods for blood sampling which is performed at present by metallic lancets, has been a concern in the modern medicine in order to diminish the risk of contamination. A novel solution has appeared recently and consists in the use of laser pulses which ablates a tiny hole in skin. Approach: A laser device with Er: YAG active medium for skin perforation with focal point...
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Er-YAG laser irradiation has been claimed to improve the adhesive properties of dentin. We tested the hypothesis that dentin adhesion is affected by Er-YAG laser conditioning. Superficial or deep dentin from human molars was: (a) acid-etched with 35% H3PO4; (b) irradiated with an Er-YAG laser (KaVo) at 2 Hz and 180 mJ, with water-cooling; and (c) laser- and acid-etched. Single Bond (3M ESPE) an...
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Clinical application of lasers in periodontal surgery has continued to expand in the last decade; however, controversies remain regarding their use. This article will describe the clinical application of erbium: YAG lasers for periodontal surgery: flap operations, osseous surgery, and semi-lunar coronally repositioned flap procedures, and peri-implantitis treatment by laser will be discussed.
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An Er: YAG laser is a near infrared laser with a wavelength of 2.94m. This wavelength is identical to the peak wavelength of the light most readily absorbed by water. When used on living tissue with a sufficient water content, this laser causes a rapid evaporation of the water in just the most superficial layer of tissue, without greatly affecting the tissue in the neighboring area. The present...
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“frosted” appearance. _Enamel hypoplasia (EH) is a defect in tooth enamel that results in less quantity of enamel than normal. The defect can be a small pit or can be widespread that the entire tooth is misshaped with affected mechanical properties.4 EH can occur on single or multiple teeth.6 It can appear white, yellow or brownish in color with a rough or pitted surface.6,8 In some cases, the ...
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ژورنال
عنوان ژورنال: OnLine Journal of Biological Sciences
سال: 2008
ISSN: 1608-4217
DOI: 10.3844/ojbsci.2008.15.18