Planmeca,Plan Scan intraoral scanner is a portable,fast, and precise unit.It is a powder-free system that uses blue laser technology to capture accurate, digital images of prepared teeth. These images are used to construct inlays and crowns from a digital file, instead having to place tray in your with impression material into your mouth.Especially great if you are a "gagger" ! The digital file that is created is then sent , via the internet, directly to the laboratory for fabrication of your crown.