Heal sub-assembly, it is suitable for connecting in the healing stage of Dental Erosion process with dental implants, healing sub-assembly has the healing element (10) at least partly being surrounded by gum (63), and the tooth pile foundation seat (1) for being fixed in implantation material (60), it is characterized in that, the element that heals has side surface (13) and end face (14), the side surface is for being bonded in gum, to shape gum when gum heals, the side surface (13) and end face (14) of a part form exposing surface, exposing surface is for being maintained at outside gum, exposing surface is asymmetric relative to an at least midline vertical plane Also, the longitudinal axis (L) of tooth pile foundation seat is suitable for being aligned with the axis of implantation material (60) over the whole length.