Which dental device helps in reducing moisture and blood during procedures?

The high volume evacuator (HVE) is specifically designed to efficiently remove large amounts of fluids, including saliva, blood, and other debris, during dental procedures. It features a wider diameter compared to smaller suction devices, allowing it to absorb moisture rapidly and keep the surgical field clear. This reduces the risk of contamination and improves visibility for the dentist, facilitating a more effective and safer treatment process.

In contrast, while a saliva ejector also assists in moisture control, it is primarily used for light suction of saliva and is not effective for larger volumes of blood or debris. A rubber dam serves a different purpose by isolating teeth and creating a dry working area but does not actively remove moisture. Lastly, an ultrasonic scaler is primarily used for scaling and cleaning teeth and does not contribute to moisture management during procedures. Hence, the high volume evacuator is the most appropriate choice for reducing moisture and blood in the dental setting.