... arch shape SpecificationsNiTi Closesd Spring With Eyelets, NiTi Closesd Spring,Orthodontic Closed /Open Spring * Same Eyelets * Different EyeletsOrthdontic NiTi Arch ... friction2) make the patient more comfortable.3) as an ideal orthodontic material,4) The niti arch wire provides higher elasticity with ... design and manufacture as per clients' requirement high quality orthodontic Prefomed arch wires