An implant including a bone fixture configured to anchor to bone of a recipient, and a structural component configured to be connected to the bone fixture and connect a functional component of the implant to the bone fixture, wherein at least one of the bone fixture or the structural component includes a deformable element configured to deform to form an anti-microbial seal between the bone fixture and the structural component, and the at least one deformable element and the respective at least one bone fixture or structural component form a monolithic structure.