Medical device for combating overweight or obesity in humans by achieving a more rapid feeling of satiety, comprising a bite raiser which can be connected to the human maxilla and/or mandible (10, 11) and which covers at least some of the occlusal surface of the masticatory teeth (13), wherein a splint (12) adapted to tooth crowns is provided for the bite raiser, which splint (12) equips at least some of the masticatory teeth (13) with an occlusal elevation (14) for reducing the size of the masticatory surface (15), which occlusal elevation (14) overlies the cusp tips (17) of a masticatory tooth (13) in order to link the bite elevation (20) to a spanning of the masticatory relief of the covered masticatory tooth (13).
