title: ELECTRON MICROSCOPIC STUDY OF CALCULUS ATTACHMENT TO SMOOTH SURFACES.
mesh_terms: D003728:Dental Calculus; D003773:Dental Plaque; D004583:Electrons; D005881:Gingiva; D008853:Microscopy; D008854:Microscopy, Electron; D010969:Plastics
chemical_list: D010969:Plastics
keywords: DENTAL CALCULUS; DENTAL PLAQUE; GINGIVA; MICROSCOPY, ELECTRON; PLASTICS