Before going on to describe the technologies used in the NGF method, we should say something about the foundations on which the scientific philosophy of the method are based. Let's start with the most accurate means of discussing the paradigm, because paradoxically, it changes the interpretation of mastication phenomenon. This new paradigm considers the mastication phenomenon as a complex system that does not work in a linear way, but instead works like stochastic processes. These stochastic processes are nothing more than semi-random processes in which the system can take different routes through to reach the solution. As all these processes cannot be understood, "Emergent Behaviour" we analyse the output data downstream because, as is the case for the "EMG interference pattern" the downstream data corresponds to the sum of all of the system's individual components that come into play, which can render the data unreadable. For this reason, we first of all have to divide the Central Nervous System (CNS) in three virtual levels as shown in the figure, and then interrogate each segment with appropriate external inputs called "Triggers". To achieve this goal, the electromyographs commonly used in dentistry are not suitable, but those used in neurophysiopathology laboratories are. Why not?

For the simple reason that a device designed to trigger a series of stimuli, electrical to acoustic, which is synchronised with the EMG recording a well as with the surface and/or needle and simultaneously provided with series of protective systems for the "safety" of the patient, is a work of art from a technological and bioengineering viewpoint. This, of course, increases costs and restricts the use to specialist staff only. After performing the registration examination, which can be an acoustically evoked potential called Brainstem Auditory Evoked Potentials (BAEPs) rather than a massateric silent period, even more complex work is then performed analysing the data saved through the positioning of several markers. This long process of investigation is essential to establish latency, peak times and integral areas that have a pathognomonic value topathology. We should bear in mind that a difference between sides in the mandibular reflex (jaw jerk) of circa 1.5 milliseconds can be evidence of organic injury due to compression of the nerve trunk or a demyelinating disease. The instruments suitable for this type of scientific philosophy are therefore electromyographs fitted with one or two electrical stimulators, set up for somatosensory, acoustically and visually evoked potentials, The Franchising Package includes installation of a link to one of the electrophysiological tools in your clinic.