Discovering this unit, I was really impressed. I must say that I go away from the manual brushing and its ancient practices. I had before me a true automated station multi wash programs (smooth, deep massage, polishing, bleaching, ...) with the same time control and pressure! The positive thing - the most important of course - is that the teeth are cleaned. I also assume that the pressure control prevents to go too hard, and dig imperceptibly enamel over time ... but that we will not know until much later. The small detached screen which shows the time and the pressure control, is quite nice. At rest it shows the time, this can be a plus, but not for me who already had a clock. Otherwise, honestly, I have not yet seen the interest of all programs. This rather complicates my life because I always wonder which is the most suitable, apart polishing / whitening that I intend to use regularly. It reminds me of escalating offers washing machines, more and more sophisticated with their moult program opportunities we not use. So that's where I think that a less sophisticated model - and cheaper - would perhaps brought me as much satisfaction. And then there is the important place this "resort" in my small bathroom was not Verily suited for that. In short an effective, quality product, but probably too sophisticated (and expensive).