Initially, the entire transformation zone is outlined at low power density. The laser incision is continued until there is uniformity in light transmission throughout the fundus as observed by laparoscopy, or until bleeding from the fundal myometrium is visualized. Journal of Clinical Laser Medicine and Surgery ; The difference in the appropriate angles for the deepest penetration might be explained by different effect of keyhole bottom separation on penetration depths depending on waveform of laser beams. The main disadvantages of the CO 2 laser include the absence of a histologic sample when vaporization is performed and the expense of the laser machine.
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Lasers in Gynecology

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European Journal of Prosthodontics and Restorative Dentistry

The initial impact of the laser beam on the cervix is usually perceived as a pinch similar to that experienced with applying a tenaculum or taking a cervical punch biopsy. The influence of coronal restoration type on the survival of endodontically treated teeth. Post a Comment Login required. Many attempts have been made to investigate the antimicrobial potential of lasers, with numerous studies showing that the emission of laser light has a bactericidal effect in a root canal [ 24 — 29 ]. Quantitative phase-contrast confocal microscope.
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European Journal of Prosthodontics and Restorative Dentistry

In the laser, however, these photons can further stimulate an already excited atom in its path to release an identical photon that is in phase coherent , has the same wavelength and color monochromatic , and travels in the same direction without divergence collimated. With refinement of light sources, the use of low-viscosity fluids, and newer operating hysteroscopes, it is now possible to use this technology as a therapeutic modality for patients with abnormal uterine bleeding. To determine depth of thermal penetration by the neodymium: The desired efficiency increases with the intensity of the laser [ 34 ]. The neoplastic lesion has been vaporized to a depth of 1 mm. YAG Pain Photodynamic therapy Wound healing diode laser laser laser therapy lasers low level laser therapy periodontitis photodynamic therapy. Three possible theories exist for bactericidal effects of NIR laser light in the literature [ 21 — 23 ]:
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Viable bacteria in root dentinal tubules of teeth with apical periodontitis. After welding, the laser beam penetration depths in the alloy were measured. Schematic diagram of a CO 2 laser tube. When the laser is not being fired, it should always be on stand-by mode. HISTORY Laser is an acronym that stands for light amplification by the stimulated emission of radiation, a concept that was developed by Einstein in The extension of the intracanal perimeter penetrated by the sealer in mm was significantly higher in LG than in CG specimens regardless of the root level assessed Table 1.
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Yag depth of penetration

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