This series of implants, which are conical internal hex implants, have self-sealing properties and provide extremely high initial stability for all types of bone tissue, especially in situations involving poor-quality bone. The root form implant design, which includes a coarse aggressive thread and a small six-lead thread, makes for easy installation in demanding clinical situations by providing:easy, perfectly controlled insertion;high initial stabilization, particularly in soft bone, with the bone gradually solidifying in all directions along the entire length of the implant;corrections during the surgical stage to achieve parallelism;excellent stabilization in the socket of the extracted tooth;immediate installation in the aesthetic zone.Through a combination of unique features, Optimum Series implants offer a solution for the most demanding situations.The bone contact surface area for the 4.0x13 mm size is 185.40 mm².