Provided is a removable denture system including a personalized support beam configured to be fixedly attached to an individuals jaw bone by plurality of dental implants personalized denture conforming with dental parameters of the individual including bottom surface shaped and sized to constitute a super-structure configured for cooperating with the support beam and denture locking arrangement for securely locking and unlocking the denture to the support beam, one of the support beam and the super-structure includes one or more positioning grooves extending parallel to a path of insert (POI) of the denture, and the other of super-structure and the support beam, includes one or more corresponding laterally projecting positioning projections, each positioning projection configured to cooperate with a corresponding positioning groove, and configured to provide at least partial snug fit together, the support beam and super-structure are configured to eliminate movement when the super-structure is assembled over the support beam.