Intraoral device (1), characterised in that it comprises one or more microsensors, a programmable electronic microcircuit (2) with a series of ports for the connection of a microsensor to each, means for feeding the electronic microcircuit (2) and wireless communication means of the data therefrom, all these elements being included inside a watertight and thermally insulated protection element (3), where said protection element (3) is attached to the surface or inside a support element within the buccal cavity, being the dimensions of the protection element (3) adapted to the size of the support element.
