Interdental cleaning member and manufacturing method thereof

摘要

The present disclosure relates to an interdental cleaning member and a manufacturing method thereof, and more particularly, to an interdental cleaning member and a manufacturing method thereof, which may easily remove food residues between teeth without damaging the gums.

主权项

1. A manufacturing method of an interdental cleaning member, comprising:
(a) stretching a yarn by spinning to have a diameter of 0.5 mm to 3 mm; (b) cutting the yarn to have a length of 1 cm to 15 cm to form a bristle; (c) tapering the bristle to have a tapered portion along a longitudinal direction of the bristle so that the bristle has a tapered shape in at least a front portion thereof; and (d) washing and drying the bristle, wherein the bristle has a bending restoration rate of 10% to 80%, the tapered portion has a diameter of 0.001 mm to 2 mm at a distance of about 0.1 mm from a front end of the bristle, and the tapered portion has a tilt angle of 0.3° to 12° based on a center of the bristle, and wherein, in step (c), the tapered portion has a curved portion with an irregular surface formed thereon by primary tapering in which the bristle is soaked in a strong alkali solution or a strong acid solution and then by secondary tapering in which the bristle is grinded with a grinder.