14 The wires have been tested in occlusoapical orientation below masses applied to the width (more substantial side) in the rectangular wires. The wires have been examined in faciolingual orientation underneath masses applied within the thickness (scaled-down facet) of your rectangular wire. A linear variable displacement transducer (LVDT design 2600-1063, https://orthodontic-wire58023.ampblogs.com/rectangular-niti-wires-an-overview-69981469