parasite

A tooth under a magnifying glass at Dr. Sean Endsley's dental practice.

For decades, researchers have known that certain bacteria in the mouth can contribute to the development of gum disease. Still, in a first-of-its-kind study, researchers from Charité Universitätsmedizin Berlin have shown that a unicellular parasite, known as Entamoeba gingavalis, is also a contributor to the condition. The study found the…