Abstract: The invention relates to an intraoral device (1) comprising: a programmable electronic microcircuit (2) with a series of ports, in each of which a microsensor can be connected; means for powering the electronic microcircuit (2); and means for the wireless communication of data from the device, all disposed inside a sealed, thermally insulated protective element (3). According to the invention, the protective element (3) is secured to the surface of, or inside a support element located inside the oral cavity, the dimensions of said protective element (3) being adapted to the dimensions of the support element.