The present invention relates to a dental apparatus for a dental treatment within a mouth. The dental apparatus comprises a gripping body, a functional device which is adapted for a treatment into the mouth and an acceleration sensor which is arranged within the gripping body. The acceleration sensor is adapted for measuring at least one component of an acceleration of the gripping body. The dental apparatus further comprises a control unit which is arranged within the gripping body, wherein the control unit is coupled to the acceleration sensor for receiving an acceleration signal which is indicative of the acceleration of the at least one component of the gripping body. The control unit is further coupled to the functional device for controlling the functional device on the basis of the acceleration signal.
