Lack of lymphocyte stimulation by root canal products.
D003782:Dental Pulp / Q000276:immunology*; D003788:Dental Pulp Diseases / Q000276:immunology; D006801:Humans; D008213:Lymphocyte Activation; D008214:Lymphocytes / Q000276:immunology; D010486:Periapical Tissue / Q000276:immunology*; D010510:Periodontal Diseases / Q000276:immunology