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- (dentistry) Acting to prevent or remove plaque.
- 1988, April 15, “James Krohe Jr.”, in Where Has All the Flora Gone?:
- The extract of one plant common in Illinois, Sanguinaria canadensis, or bloodroot, is an ingredient in brand name antiplaque toothpastes; and the National Cancer Institute has contracted with the University of Illinois to help test the antitumor properties of tropical plants.
acting to prevent or remove plaque