14 The wires had been examined in occlusoapical orientation beneath masses used on the width (much larger facet) of the rectangular wires. The wires had been examined in faciolingual orientation beneath masses used over the thickness (smaller facet) of your rectangular wire. A linear variable displacement transducer (LVDT product 2600-1063, https://rectangularsteelwire45789.collectblogs.com/78273115/not-known-factual-statements-about-round-niti-wires