Power quality brushing no longer to prove, we dwell on the material itself. Last born Braun / Oral B, the 7000 White Trizone goes even further in the fine tuning of dental hygiene. 3D Movement (with an elongated head), several modes (which 1 "Tongue Freshener" ???????), it contributes to an almost perfect hygiene. Good. Let's say right away: almost 200 Euros overall, it is still the least of it. But in addition, Blutooth 4.0 technology kicks in, providing a function that allows the toothbrush to be connected: - A small removable screen (Smart Guide), which attaches to the wall of your dirty bathroom with a transparent support and an adhesive system (No need to make holes in the floor). The latter serving to graph (encrypted + Indications little smiley) brushing your sequences. However, while not being connected, the brush only emits light and sound signals for time to respect and to exert pressure. - A smartphone, which, thanks to an application, you will track the effectiveness of your brushing over time. Gadget you say. Yes, probably for adults and respectful of their oral hygiene. But it is true that these functions can conversely be interesting for our children whose priority is not necessarily to linger in the bathroom for this kind of activity. So yes. The playful side of this system may indeed encourage our little darlings to properly brush your teeth, and allows to you parents, to verify that the work was well done. Also, a very nice travel case is included in this kit. In summary: The +: high-end equipment, kit inclusive and well-designed, efficient, playful and fun side. The -: The price !!!!!!