These types of products called "Reunited" used by dentists are very complex.
First of all there are hygienic regulations and extremely binding protocols to be respected, ergonomics must be taken into account and
the doctor's gestures that can be Right or left, all components are subject to safety regulations with very high standards
and totally hypoallergenic materials, plastics and paints.
I went to watch even very complex interventions to understand the whole sequence of both normal and emergency movements
requested to this machine.
I remember that it is a product built in small series so the project must contain the production costs.
It was an excellent school in all respects, in this machine a lot of including functions are concentrated
electromechanical, micro motor engineering, compressors, pneumatics, hydraulics, etc. that extrapolated used in other contexts help a lot