title: Timely observations on friction and sliding.
authors: Morton I
authors: MI
authors: Katz
mesh_terms: D003722:Dental Alloys / Q000737:chemistry*; D017276:Friction; D005792:General Practice, Dental; D006801:Humans; D007400:Interprofessional Relations; D016382:Orthodontic Appliance Design; D016910:Orthodontic Brackets; D009969:Orthodontic Wires; D009970:Orthodontics; D013499:Surface Properties; D014087:Tooth Movement Techniques / Q000295:instrumentation*
chemical_list: D003722:Dental Alloys