Vibration generator for generating mechanical vibrations for a dental handpiece, comprising a rotation driving means, a vibration generating element rotationally coupled to the rotation driving means and comprising an imbalanced vibrating portion and a vibrating element in mechanical communication with the vibration generating element, wherein the rotation of the vibration generating element causes the imbalanced vibrating portion to generate vibrations of the vibrating element and the vibrating element is configured to deliver the vibrations to an object.
