Nitinol Archwires Prove They Have Teeth

Celebrating a nickel-titanium breakthrough in orthodontics

Virginia Heffernan -

Nitinol Archwires

The introduction of superelastic Nitinol® (UNS N01555) wires in the field of orthodontics more than a decade ago was an “unbelievable blessing,” says Dr. Robert Cram, past president of the Canadian Association of Orthodontists. Superelastic wires stretch easily when they are cool but spontaneously shrink when they are warmed up. This property can be used to progressively pull teeth into their proper position.

Current Issue

Nickel and sustainability

Towards a circular economy

August 30, 2018


Feature Story:
A catalyst for sustainable operations
Nickel-containing catalysts are widely used in the refining and petrochemical industries worldwide. At end-of-life, catalysts are either sent to landfill or sent for recycling to recover the valuable metals they contain. Refineries in Kuwait are changing the way they handle spent catalysts.