Round table: Nitinol wire.
D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003722:Dental Alloys; D009532:Nickel; D009967:Orthodontic Appliances; D013193:Stainless Steel; D014025:Titanium
D003722:Dental Alloys; D013193:Stainless Steel; D009532:Nickel; D014025:Titanium