| Description | Micro Thin Sheet. Medpor Sheets are commonly used for orbital floor reconstruction and other craniofacial applications. The thinner 0.4 mm sheet was designed to provide the surgeon with greater flexibility and to provide a smoother surface for easy | Ultra Thin Sheet. Medpor Sheets are commonly used for orbital floor reconstruction and other craniofacial applications. | Ultra Thin Sheet. Medpor Sheets are commonly used for orbital floor reconstruction and other craniofacial applications. |