Dental plaque: nature, formation and effects.
D055598:Chemical Phenomena; D002621:Chemistry; D003728:Dental Calculus / Q000209:etiology*; D003773:Dental Plaque / Q000209:etiology* / Q000378:metabolism*; D005891:Gingivitis / Q000209:etiology; D006801:Humans; D008854:Microscopy, Electron; D009055:Mouth