title: [Clinical evaluation of a S 30 dentifrice on periodontal disease using the double blind method].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D003802:Dentifrices / Q000627:therapeutic use*; D004311:Double-Blind Method; D005260:Female; D005882:Gingival Diseases / Q000517:prevention & control; D006801:Humans; D008297:Male; D008875:Middle Aged; D010510:Periodontal Diseases / Q000517:prevention & control*; D010919:Placebos; D012462:Saline Solution, Hypertonic / Q000627:therapeutic use*; D012965:Sodium Chloride / Q000627:therapeutic use*; D014099:Toothbrushing
chemical_list: D003802:Dentifrices; D010919:Placebos; D012462:Saline Solution, Hypertonic; D012965:Sodium Chloride