Assertion: tooth cleaning bristle | /r/HasAspect | outer surface contour
Facets:
Source sentences:
text: According to the invention, the tooth cleaning bristle configured as a monofilament has an outer surface contour which is configured such that the ratio of the circumference of the outer surface to the cross-sectional area of the tooth cleaning bristle is in a range from about 30 mm−1 to about 50 mm−1.