INTERDENTAL BRUSHES HAVING ROUGHENED, TAPERED AND ROUNDED BRISTLE ENDS AND METHOD OF MAKING THE SAME

摘要

An interdental twisted wire brush having roughened, tapered and rounded bristle ends. A method of preparing the brush by rotating the interdental brush both transversely to the axis of the brush and axially along its longitudinal axis, w hile flexing the bristles and grinding the bristle ends of the interdental brush agai nst a flat, moving abrasive surface.