They regularly assisted CNAs with difficult residents and coached CNAs to try various techniques to make oral care successful. The bedside clinical interaction fostered collaborative evaluative feedback about the resident’s oral health status and effects of the interventions delivered by CNAs, and it provided an opportunity for developing alternative solutions to unresolved issuesa key element of sustainability known as “reinvention.” If reinvention is properly managed, users of the innovation can develop more favorable perceptions and attitudes about the innovation and achieve a more rapid rate of adoption.