The perception of extramural practice is important for the faculty of dentistry of the Cooperative University of Colombia, Envigado. The results can serves for feedback the practice and generation of best practices from the input of all the people who are involved. Additionally, it will identify the impact on the institutions providing health services and on the community related to each of them. Therefore, it is intended to evaluate and analyze the perception of students, teachers, staff and patients of the practice sites of emergency extramural rotations in service teaching agreements.