“The American Dental Association (ADA) actually says no studies have shown grillz as harmful. But they also haven’t found any studies that have proven them to be safe either,” Dr. Lana Rozenberg, founder of
Rozenberg Dental NYC, shared with 21Ninety. “Having said that, unfortunately, Grillz often prevent proper brushing and cleaning. Thus, they create an unhealthy bacteria-friendly environment in the mouth.”