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Aspirators designed to evacuate oral secretions, water, blood, and tooth debris from the mouth by means of vacuum suction during dental diagnostic, treatment, and/or surgical procedures. These aspirators generally consist of a vacuum pump (typically a low-pressure, high-volume evacuator), plastic tubes connecting the components to each other, one or more collection containers, a control valve or switch and suction tubes or cannulae which are inserted into the oral cavity. Dental aspirators may be portable or mobile and they are either line- or battery-powered. Aspiration using a central vacuum system is also available.
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