Disclosed are porous dental implants, which include: a crown section that has an upper surface and a bottom surface, a junction disposed at the bottom surface of the crown section and having a solid body that has a upper surface and side surface with its upper surface being connected to the bottom surface of the crown section, a porous structure layer that has a plurality of pores, an outer surface and an inner surface, of which the inner surface covers the side surface of the solid body, and a screw section disposed at the outer surface of the porous structure layer and having a plurality of peaks and valleys with the valleys being the outer surface of the porous structure layer and the plurality of pores being distributed between any two peaks.一種多孔式牙科植體,包括:冠部,具有冠部上表面及冠部下表面;以及銜接部,其設置於冠部下表面,包括實心體;具有實心體上表面及實心體側表面,實心體上表面與冠部下表面連接;多孔結構層,具有複數個孔洞、外表面及內表面,內表面包覆於實心體側表面;以及螺紋段,設置於多孔結構層的外表面,螺紋段包括複數個峰部及複數個谷部,該谷部為該多孔結構層的外表面,且任二峰部之間佈設有該複數個孔洞。1‧‧‧多孔式牙科植體2‧‧‧冠部5‧‧‧銜接部