For Dentists

Efficient Muscle Relaxation with the FreeBite air

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The Myomonitor model J1 (1967)

More than 50 years ago, Bernard Jankelson introduced a new device to relax chewing muscles, the Myomonitor. At the peak of the gnathologic era, colleagues in search of the terminal hinge axis could not understand the use of such a device for the most part and this marked the beginning of a different understanding of how the mandibular movement system functions. Gnathologists viewing the TMJ’s as mechanical guides, postulated that the mandible follows a circular path upon closure with the hinge axis at its center. Neuromuscular dentists on the other hand were (and are) convinced that the intercuspation of the teeth can be exactly hit by a mandibular movement guided by afferent and efferent neuromuscular reflexes, regardless where it is located with regard to any hinge axes.

Bite registration technique for TMJ-patients

How pain in the TMJ comes about, or why certain patients, referred to as „TMJ-patients“, develop all sorts of pains and aches in the head and neck region, is subject to a seemingly endless controversy. However, to the clinical practitioner confronted with a patient seeking help for such problems, randomized double-blind studies are not the answer. He needs to know if and how he can help this individual person in front of him, not what statistic calculations he or she may be part of.

Bite cushions have been a valuable asset here, in that they make it possible to take the factor „occlusion“ out of the equation for a while and observe what happens. …

Bite Registration with FreeBite solid

Please read the general information about the FreeBite solid and about free vs. indexed bite registration techniques before proceeding to this step-by-step protocol. Since both, indexed and free registration techniques have several steps in common, they will be jointly explained here, with the additional steps for the indexed technique given in red.

  1. Establish a pattern and its consistency applying the methods outlined in ”Monitoring Mandibular Position“.
  2. Affix reference points to tips of nose and chin using a marker pen or triangles of adhesive tape and measure the distance between them in habitual occlusion. …


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