Abstract: Described herein is a device for dental hygiene, including a brushing apparatus configured to wrap simultaneously all teeth of the upper or lower dental arch, a supporting structure including a covering case configured to be entirely inserted inside the oral cavity and to support the brushing apparatus, and a motorization unit configured to move cleaning elements of the brushing apparatus. The brushing apparatus includes a first brushing assembly configured to act on the vestibular surface of the teeth, a second brushing assembly configured to act on the lingual surface of the teeth, and a third brushing assembly configured to act on the occlusal surface of the teeth.