title: A Keyes comment.
mesh_terms: D001639:Bicarbonates / Q000627:therapeutic use*; D006801:Humans; D006861:Hydrogen Peroxide / Q000627:therapeutic use*; D010510:Periodontal Diseases / Q000628:therapy*; D012964:Sodium / Q000627:therapeutic use*; D017693:Sodium Bicarbonate; D012965:Sodium Chloride / Q000627:therapeutic use*
chemical_list: D001639:Bicarbonates; D012965:Sodium Chloride; D017693:Sodium Bicarbonate; D012964:Sodium; D006861:Hydrogen Peroxide