What Does A Black Gum Line Mean? [Solved]
Hola, iam Janie Campbell, You have yourself a good one! What Does A Black Gum Line Mean? [Solved] An infection can cause black or grey gums if a layer of dead tissue builds up over the gums. Trench mouth results from the rapid growth of bacteria in the mouth, usually due to gingivitis. Bacteria may build up because of poor oral hygiene, stress, lack of sleep, or an unhealthful diet....