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What device is known as an ejector in dentistry?
A drill
An aspirator
A dental mirror
A scaler
The correct answer is: An aspirator
An ejector, commonly known as a suction device in dentistry, is effectively represented by an aspirator. This device plays a crucial role in dental procedures by removing blood, saliva, and debris from the oral cavity, creating a clearer working environment for the dentist. The aspirator typically functions by generating a vacuum that allows the clinician to maintain a dry area in the mouth, which is essential for visibility and precision during various treatments. While drills, dental mirrors, and scalers serve important functions within a dental practice—such as cutting through tooth structure, reflecting light and images, and removing calculus from teeth, respectively—they do not perform the suction function that characterizes an ejector. Thus, the aspirator is the device specifically designed to facilitate the removal of unwanted fluids and debris during dental procedures, making it the correct answer in this context.