NetWellness is a global, community service providing quality, unbiased health information from our partner university faculty. NetWellness is commercial-free and does not accept advertising.
Friday, December 19, 2014
After flossing I had some bleeding. After rinsing my mouth with water I rinsed a second time with Listerine mouth wash. My spit was black. Why?
It is probably due to blood coloring listerine. It may also be smoking effect (if you are a smoker) or diet effect (coffee/tea etc. staining).
Binnaz Leblebicioglu, DDS, MS, PhD
Associate Professor of Periodontology
College of Dentistry
The Ohio State University