What is the primary use of a high-volume evacuator tip in dental procedures?

The primary use of a high-volume evacuator tip in dental procedures is to evacuate large volumes of fluid and debris. This specialized suction device is crucial in maintaining a clear working field during dental treatments, such as extractions or cavity preparations, by efficiently removing blood, saliva, and other debris. By doing so, it not only enhances visibility for the dentist but also reduces the risk of contamination and helps in controlling the saliva flow, thus improving patient comfort.

Other options pertain to functions that are either not related to the primary use of a high-volume evacuator or fall under different dental tools or techniques, reinforcing that C is indeed the most appropriate choice for the role of the high-volume evacuator tip in a dental setting.