The present invention relates to a device (1 ) for dental hygiene, in particular for cleaning teeth (2) of a dental arch, characterized in that it comprises: - a brushing apparatus (3) configured to wrap simultaneously all the teeth (2) of the upper dental arch or of the lower dental arch, said brushing apparatus (3) comprising a plurality movable cleaning elements configured to clean said teeth (2) with their free ends, - a supporting structure (4) comprising a covering case (5), which is intended to be entirely inserted inside the oral cavity and which is configured to support and accommodate therein said brushing apparatus (3), said supporting structure (4) also comprising an appendix (6) which is associated with the covering case (5) and/or the brushing apparatus (3) and which, when said covering case (5) is positioned inside the oral cavity, is intended to come out at least in part from said oral cavity through the oral fissure, - a motorization unit (18) configured to implement in movement said cleaning elements, and also characterized in that said brushing apparatus (3) comprises: - at least one first brushing assembly (1 1 ) comprising a plurality of cleaning elements arranged and configured to act on the vestibular surface of the teeth (2), - at least one second brushing assembly (12) comprising a plurality of cleaning elements arranged and configured to act on the lingual surface of the teeth (2), - at least a third brushing assembly (13) comprising a plurality of cleaning elements arranged and configured to act on the occlusal surface of the teeth (2).La présente invention concerne un dispositif (1) d'hygiène dentaire, en particulier pour le nettoyage des dents (2) d'une arcade dentaire, caractérisé en ce qu'il comprend : - un appareil de brossage (3) configuré pour envelopper simultanément toutes les dents (2) de l'arcade dentaire supérieure ou de l'arcade dentaire inférieure, ledit appareil de brossage (3) comprenant une pluralité d'éléments de nettoyag
