A method and apparatus for measuring and recording skull vibration in situ comprising a receiving means, a dental material capable of filling any gaps between the receiving means and the at least one tooth, the material capable of transmitting mechanical vibration within the dental bone conduction pathway to the receiving means; a transducer mounted into or unto the receiving means said transducer capable of transducing mechanical vibration within the dental bone conduction pathway into electrical signals; an extra-orally recordation hardware and software capable of receiving and processing said electrical signals from said transducer.