The changes that have occurred in recent decades in society have led tothe emergence of new ethical dilemmas in socio-educative work.The concern here is the principle of self-determination of persons with severemental disorder and intellectual disability.From the field of Social Education and Social Work, it is necessary to approach such dilemmas with the implementation of effective and integrative practices that respect the fundamental freedoms established by the Convention on the Rights of Persons with Disabilities.For this purpose, we present two methodologies(supervision and ethical reflection space) used to solve two cases occurred in real intervention contexts.