3M™ ESPE™ Iso-Form™ Crowns are pre-finished, contoured and belled to save placement time. Dead soft tin/silver alloy can be stretched, is easily burnished, and retains the shape of the preparation. Pre-finished, contoured and belled to save placement time. Soft tin/silver allow retains shape of preparation and is easily stretched and burnished to fit prep margins. Biscupid and molar crown selection to cover adult posterior applications. Faster placement than acrylics and chemical resin for single units for a quicker procedure.