Silverstone, L M A scanning electron microscope study of the end rounding of bristles in eight toothbrush types. [electronic resource] - Quintessence international (Berlin, Germany : 1985) Feb 1988 - 87-107 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0033-6572 Subjects--Topical Terms: Microscopy, Electron, ScanningToothbrushing--instrumentation