Bruxism occasional tooth grinding. It has been shown that the majority (86%) of sleep bruxism episodes occur during periods of sleep arousal. One study reported that sleep arousals which were experimentally induced with sensory stimulation in sleeping bruxists triggered episodes of sleep bruxism. Sleep arousals are a sudden change in the depth of the sleep stage, and may also be accompanied by increased heart rate, respiratory changes and muscular activity, such as leg movements. Initial reports have suggested that episodes of sleep bruxism may be accompanied by gastroesophageal reflux, decreased esophageal pH (acidity), swallowing, and decreased salivary flow. Another report suggested
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