title: [Studies on the interdental thickness discrimination of objects. Part III. Effect of hardness of objects on direction specificity (author's transl)].
mesh_terms: D006244:Hardness; D006801:Humans; D008334:Mandible / Q000502:physiology; D008409:Mastication; D013236:Stereognosis; D014070:Tooth / Q000502:physiology*