The combined toothpaste container cap and dental floss dispenser of the present disclosure and related inventions includes a cap structure configured to fit with a toothpaste dispenser in the form of a tube, a floss container and an access panel. The floss container is configured to fit within the cap body and has a floss containment cavity in which a supply of dental floss is stored. A floss lead opening is located on the floss container through which the dental floss is accessed. An access panel is attached to the floss container which covers the floss lead opening.