Whether it’s the removal of dental plaque, fillings, crowns, or bridges – each of these treatments requires the suctioning of small or large particles from patients’ mouths. The high-speed and oscillating instruments need to be cooled with water to protect the sensitive pulp-dentin area, causing spray mist to be generated. The mixture of droplets from the cooling water, saliva, blood, and microorganisms represents a high risk of infection.