Why Do My Gums Bleed When I Floss?ums that bleed while flossing can be due to a number of issues; however, if it is a common occurrence, it may likely be a sign of periodontal (gum) disease. To be sure, bleeding gums while flossing and performing daily oral hygiene routines could be caused by factors other than gum disease. These include a vitamin deficiency, a reaction to… Continue Reading