A dental floss holder is provided and consists of a first C-shaped floss holding head disposed at one end of a handle at a right angle and a second C-shaped floss holding head disposed at other end of the handle colinearly. The heads are inclined at 30 degrees with respect to the plane of the handle. The first head is used to floss between back teeth while the second head is used to floss between front teeth. In a second embodiment the dental floss holder includes an H-shaped telescopic floss holding head that is angular adjustable and a handle that is length adjustable.