An interbody spinal implant system, comprising: an implant (1, 101, 101a) comprising a top portion (10, 110, 110a) comprising an anterior face (14, 114, 114a), a posterior face (15, 115, 115a), opposing lateral sides (13, 113, 113a), and a top surface (12, 112, 112a) comprising a roughened surface topography (18, 118, 118a), and a slot (16, 116, 116a) for receiving a prong (92a, 192, 192a) of an anchor pin (90, 190, 190a) extending through the top portion (10, 110, 110a); a bottom portion (20, 120, 120a) separate from the top portion (10, 110, 110a), the bottom portion (20, 120, 120a) comprising an anterior face, (24, 124, 124a), a posterior face (25, 125, 125a), opposing lateral sides (23, 123, 123a), and a bottom surface (22, 122, 122a) comprising a roughened surface topography (18, 118, 118a), and a slot for receiving a prong (92b, 192b, 192a-b) of an anchor pin (90, 190, 190a) extending through the bottom portion (20, 120, 120a); a moveable joint connecting the top portion (10, 110, 110a) and bottom portion (20, 120, 120a) together and allowing the top (10, 110, 110a) and bottom (20, 120, 1,20a) portions to move vertically relative to each other, thereby increasing or decreasing the distance between the top (10, 110, 110a) and bottom (20, 120, 120a) portions; and a socket (70, 170, 170a) for receiving an expansion wedge (80, 180, 180a), the (70, 170, 170a) socket comprising an opening (74, 174, 174a) on either the anterior (14, 24, 114, 124, 114a, 124a) or posterior (15, 25, 115, 125, 115a, 125a) face of the top (10, 110, 110a) and bottom portions (20, 120, 120a); an expansion wedge (80, 180, 180a) comprising a top surface (81, 181, 181a, a bottom surface (82, 182, 182a), an anterior face (84, 184, 184a), a posterior (85, 185, 185a) face, opposing lateral sides (83, 183, 183a), and an opening (87, 187, 187a) on either the anterior face (84, 184, 184a) or posterior (85, 185, 185a) face for receiving an anchor pin (90, 190, 190a), the opening in (87, 187, 187a) communication with a first channel (86, 186, 186a) extending through the top surface (81, 181, 181a) of the wedge (80, 180, 180a) and a second channel (86, 186, 186a) extending through the bottom surface (82, 182, 182a) of the wedge (80, 180, 180a); and, an anchor pin (90, 190, 190a) comprising at least two prongs (90, 92b, 192a), 192b, 192a-a, 192a-b) comprising a plurality of ridges or teeth (94, 194, 194a) and optionally comprising a roughened surface topography (18, 118, 118a). an implant (1, 101, 101a) comprising a top portion (10, 110, 110a) comprising an anterior face (14, 114, 114a), a posterior face (15, 115, 115a), opposing lateral sides (13, 113, 113a), and a top surface (12, 112, 112a) comprising a roughened surface topography (18, 118, 118a), and a slot (16, 116, 116a) for receiving a prong (92a, 192, 192a) of an anchor pin (90, 190, 190a) extending through the top portion (10, 110, 110a); a bottom portion (20, 120, 120a) separate from the top portion (10, 110, 110a), the bottom portion (20, 120, 120a) comprising an anterior face, (24, 124, 124a), a posterior face (25, 125, 125a), opposing lateral sides (23, 123, 123a), and a bottom surface (22, 122, 122a) comprising a roughened surface topography (18, 118, 118a), and a slot for receiving a prong (92b, 192b, 192a-b) of an anchor pin (90, 190, 190a) extending through the bottom portion (20, 120, 120a); a moveable joint connecting the top portion (10, 110, 110a) and bottom portion (20, 120, 120a) together and allowing the top (10, 110, 110a) and bottom (20, 120, 1,20a) portions to move vertically relative to each other, thereby increasing or decreasing the distance between the top (10, 110, 110a) and bottom (20, 120, 120a) portions; and a socket (70, 170, 170a) for receiving an expansion wedge (80, 180, 180a), the (70, 170, 170a) socket comprising an opening (74, 174, 174a) on either the anterior (14, 24, 114, 124, 114a, 124a) or posterior (15, 25, 115, 125, 115a, 125a) face of the top (10, 110, 110a) and bottom portions (20, 120, 120a); an expansion wedge (80, 180, 180a) comprising a top surface (81, 181, 181a, a bottom surface (82, 182, 182a), an anterior face (84, 184, 184a), a posterior (85, 185, 185a) face, opposing lateral sides (83, 183, 183a), and an opening (87, 187, 187a) on either the anterior face (84, 184, 184a) or posterior (85, 185, 185a) face for receiving an anchor pin (90, 190, 190a), the opening in (87, 187, 187a) communication with a first channel (86, 186, 186a) extending through the top surface (81, 181, 181a) of the wedge (80, 180, 180a) and a second channel (86, 186, 186a) extending through the bottom surface (82, 182, 182a) of the wedge (80, 180, 180a); and, an anchor pin (90, 190, 190a) comprising at least two prongs (90, 92b, 192a), 192b, 192a-a, 192a-b) comprising a plurality of ridges or teeth (94, 194, 194a) and optionally comprising a roughened surface topography (18, 118, 118a).