Subject. When implementing lean production, the attitude change starts from developing involvement of all the participants. Relevance. The relevance of this research stems from immaturity of organizational and psychological issues of diagnosis and reduction of emotional reactions involving emotional tension, anxiety, and fear, which medical staff and patients tend to feel. The necessity of the research also arose from the need of problem areas recognition and development of a practical plan of measures realization within the lean production program. Objective. The research objective was to study the staff involvement in organizational changes within the lean production program, increase availability and quality of public health care by means of optimizing processes of health care delivering and minimizing waste in providing dental care management and services, identify risks of dental clinic activities, justify areas of their improvement, make process maps and optimize health care in general. Methodology. The study employed an observation method, questionnaire survey, and introspection of a number of mental and psychophysiological functions of medical staff in the context of professional environment, as well as psychophysiological state of patients waiting for dental care services. Results. The research exposed so-called narrow places of the flow of receiving dental services, in particular waiting for medical services at reception. The research defined the ways of the project implementation. The research defined the pilot platforms for the elaboration of the lean implementation technology. Professors and students of the medical university and members of task groups of the clinic conducted psychological research of medical and non-medical staff involvement in organizational changes and working time tracking on each of the platforms. Conclusions. The research results demonstrated the importance of studying factors of medical staff and its management body involvement, since every manager needs to understand how much the employees in general and their subgroups are interested in results of their cooperative activity, what factors have an effect on the staff and how they should be led correctly.