title: Is it better to use a hard- or a soft-bristled toothbrush.
mesh_terms: D003742:Dental Devices, Home Care; D003773:Dental Plaque / Q000517:prevention & control*; D004867:Equipment Design; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D014099:Toothbrushing / Q000295:instrumentation / Q000379:methods*