A handpiece is a tool commonly used in various fields, including dentistry and surgery, to perform specific tasks. It typically consists of a motor and a rotating instrument, allowing for precise movements and control. Handpieces can be powered by electricity or air, depending on their design and intended use. In dentistry, for example, a handpiece is essential for procedures like drilling and polishing teeth. The dental handpiece is designed to accommodate different attachments, such as burs and polishing cups, making it versatile for various treatments. Proper maintenance of handpieces is crucial to ensure their effectiveness and longevity.