Handpieces are essential tools used in various fields, particularly in dentistry and surgery. They are designed to hold and operate different attachments, such as drills or scalers, allowing professionals to perform precise tasks. Handpieces can be powered by electricity or air, depending on their specific application. In dentistry, for example, dental handpieces are commonly used for procedures like tooth drilling and cleaning. They come in various types, including high-speed and low-speed handpieces, each serving distinct functions. Proper maintenance and sterilization of handpieces are crucial to ensure patient safety and optimal performance.