Abstract

ABSTRACT Influence of laser irradiation on the statement of blood microcirculation in mucous membrane of human oral cavity h as been investigated. Temporal changes of hemodynamics have been studied by methods of laser photoplethysmograph y, D oppler diagnostics and laser confocal microscopy. Influence of coherent light (at two wavelength 850 nm and 630 nm ) on the intensity of microcirculation in the capillary net of mucous membrane has been demonstrated directly during the short-time session of laser therapy. Keywords: Laser therapy, Doppler flowmetry, photoplethysmography, confocal microscopy, blood microcirculation. 1. INTRODUCTION By now, low-intensity laser irradiation is widely used in medicine at the treatment of many diseases. The various devices for laser therapy are commercially available and already are utilized in clinical practice. Salutary influence of laser radiation on human organism and po sitive clinical effect at the laser trea tment of the patients with a w ide spectru m of diseases is frequently pinpointed in the medical literature. “Laser Therapy” is allotted into independent and separated branch of medicine. Researches of basic character are extensively carrying out to study the mechan isms of influence of laser radiation on alive organisms. The well-know fa ct that laser irradiation (at the wavelength of 630 nm) impr oves b lood microcirculation in skin or in mucous membrane is universally acknowledged. But, at the moment, the influence of light on the temporal dynamics of blood microcirculation during laser therapeutic treatment is not investigated in detail. The purposes of this paper are: - development and improvem ent the methods of obj ective mon itoring of a degree of influence of laser irradiation on th e statement of human blood microcirculation system; - analysis of effects of coherent light perfusion on intensity of blood microcirculation and its temporal dynamics in human oral cavity mucous membrane by methods of laser photoplethysmography, Doppler flowmetry and confocal laser microscopy.

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