نتایج جستجو برای: eximer laser surgery
تعداد نتایج: 519113 فیلتر نتایج به سال:
Background and purpose: Laser bean produces thin incision along with hemostasis, sterility and decreased postoperative complications, hence facilitate air way surgery, but due to proximity of endotracheal tube to operation site, the risk of occupying and burning of endotrachel tube and surrunding tissues in each surgery is about 0.5% to 1.5%. This study is about the complications arised by...
Background and Aims : Free gingival graft is one of the most predictable procedures for gingival augmentation, but patient’s discomfort and pain during healing period of palatal donor site is a significant concern. The aim of this study was to evaluate the effect of 660nm low power laser on pain and healing in palatal donor sites. Materials and Methods: The present split mouth randomized co...
Today laser has a lot of usage in medicine and dentistry. In the field of dentistry, laser is used in soft tissue surgery, sterilization of canals (in root canal therapy) and in restorative dentistry laser is used for cavity preparation, caries removal, sealing the grooves (in preventive dentistry), etching enamel and dentin, composite polymerization and removal of tooth sensitivity. The use of...
Introduction: Today, laser technology is an integral part of medicine, medical malpractice is a major problem in healthcare systems.the purpose of present study was investigation of common causes of injuries, claims, and decisions related to medical malpractice claims related to Laser-therapy. Methods: investigation of legal documents in the coroner’s Office of Forensic Medicine, province of Te...
Soft Tissue Laser Surgery is different from Hard Tissue Laser Surgery (bones and teeth in dentistry) and Laser Eye Surgery (eye sight corrective surgeries) by particular types of lasers. Lasers differ from each other by the wavelength of light they produce. The most commonly used surgical laser in soft tissue surgery is the CO2 laser. The CO2 laser wavelength (10.6 micrometers) is highly absorb...
High energy photon is needed for photoelectron spectroscopy (PES) of anions with high electron binding energies, such as superhalogens and O-rich metal oxide clusters. The highest energy photon used for anion PES in the laboratory has been 157 nm (7.866 eV) from F2 eximer lasers. Here, we report an anion PES experiment using coherent vacuum ultraviolet radiation at 118.2 nm (10.488 eV) by tripl...
Carbon dioxide (CO2) laser surgery as a conservative tool plays a peculiar role in the management of head and neck cancer. Numerous patients who were candidates for transoral laryngeal microsurgery have forced us to eliminate frozen-section evaluation of surgical margins and use a magnified view of the larynx. The present study evaluated surgeon-judged negative margins with permanent microscopi...
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