An osteotomy implant for disposition in a wedge-shaped osteotomy opening in a bone, the implant comprising: a body for disposition within the wedge-shaped osteotomy opening in the bone and supporting the bone while healing occurs; at least one key formed integral with the body for stabilizing the body relative to the adjacent bone while healing occurs; and at least one fenestration extending through the body for permitting bone growth through the implant. An osteotomy implant for disposition in a wedge-shaped osteotomy opening in a bone, the implant comprising: a body for disposition within the wedge-shaped osteotomy opening in the bone and supporting the bone while healing occurs; and at least one key formed integral with the body for stabilizing the body relative to the adjacent bone while healing occurs; wherein at least a portion of the body and the at least one key are formed out of a relatively strong, load-bearing material whereby to stabilize the bone during healing; and further wherein at least a portion of the body is formed out of a bone growth-promoting material whereby to enhance bone healing across the osteotomy opening in the bone.