There is described a method and a system for monitoring a medical, in particular dental, device comprising at least two components, wherein at least one process parameter of the medical device which is sensitive to the functioning of the at least two components, is measured and stored for a plurality of operation cycles of the medical device and a maintenance requirement is recorded, when the process parameter reaches at least one preset and/or over a plurality of operation cycles calculated reference value, wherein a control unit assigns a maintenance requirement to one of the at least two components based on probabilistic evaluation of the recorded process parameters.
