Flossing does not usually lead to larger gaps. Floss is made from a combination of nylon fibers that are elastic and contractile, so it does not lead to larger gaps. Dental floss is the main tool used for adjacent gap cleaning, mainly by the combination of multiple strands of fine nylon, silk and polyester threads, etc., with a certain degree of elasticity, can be effectively adjacent to the teeth of the residual plaque and soft tartar, etc., about 35%, thus preventing the adjacent gap to the emergence of food blockage caused by gum recession and other undesirable phenomena. In addition, the nature of the floss is very soft and very thin, basically no tension wedge between the teeth, and the teeth of the neighboring axial angle and hidden location of plaque and microorganisms, and will not produce trauma to the gums and periodontal tissues, general floss removed, the gap between the teeth and will not produce changes. Therefore, the floss does not cause the gap between the teeth, but it is recommended that the best first in a professional dentist under the guidance of learning the correct use of dental floss before using, to avoid cleaning is not in place.