Bruxism into three groups, namely central or pathophysiological factors, psychosocial factors and peripheral factors. The World Health Organization's International Classification of Diseases 10th revision does not have an entry called bruxism, instead listing "tooth grinding" under somatoform disorders. To describe bruxism as a purely somatoform disorder does not reflect the mainstream, modern view of this condition (see causes). The ICSD-R described three different severities of sleep bruxism, defining mild as occurring less than nightly, with no damage to teeth or psychosocial impairment; moderate as occurring nightly, with mild impairment of psychosocial functioning; and severe as occurring nightly, and with damage to
United Grinding North America are used in diverse industries such as the automotive industry and its suppliers, the tool industry, power plant turbine manufacture, tool and die makers, medical technology, machine tools, clock and watch manufacturers as well as the turbine industry. MÄGERLE, BLOHM and JUNG offer machines for surface grinding, the most common form of grinding that produces smooth finishes on flat surfaces and Machines, and profile grinding, the grinding of cylindrical work without traversing the wheel whose periphery is profiled to the form required and extends over the full length of the work. In Surface grinding, the grinding wheel revolves on a