| 摘要 |
<p>PURPOSE: A dental floss is provided to offer dental floss suitable for taste of users by providing dental flosses composed of different kinds of threads. CONSTITUTION: A dental floss(40) is formed to have predetermined diameters for removing foreign materials and plaque between teeth. The dental floss has constant intervals for each joint. The joint is formed by a heat sealing part. The nodes are formed by forming protrusions. The protrusion is formed by twisting a thread(42) in a twister structure. On the surface, a coating layer, in which glue or wax is coated, is formed.</p> |
