In the 1960s, though, researchers and clinicians at UAB’s School of Dentistry introduced a second person into the practice environment—and the concept of “four-handed dentistry” was born. With an ...

use 4-handed dentistry. CDC, ADA -Avoid the use of aerosol-generating procedures, handpieces/ultrasonic instruments, 3-in-1 syringes, and the air-water syringe whenever possible. CDC, ADA ...