PMID: 22334985Sep 1, 1975Paper

Neural conduction of the myo-monitor stimulus: a quantitative analysis

The Journal of Prosthetic Dentistry
B JankelsonJ C Radke

Abstract

With the introduction of the Myo-Monitor to dentistry, the question has arisen whether the stimulus is neurally mediated or results from direct depolarization of only the fibers of the masseter muscle. Intensity-duration curves recorded for 10 subjects quantified the relationship between stimulus intensity and the duration of the stimulus required to elicit a consistent contraction response to transcutaneous stimulation via the Myo-Monitor. Individual chronaxies ranged from 0.125 to 0.180 msec., with a mean calculated at 0.158 msec. Stimulating the muscle fibers directly, without transmission of the signal across the neuromuscular junction, would have produced chronaxy values at least 50 to 100 times greater. The distinction is clear-cut. The chronaxy values unequivocally establish transmission of the stimulus across the neuromuscular junction. In all 10 subjects, contraction of muscles remote from the site of stimulation was evident by inspection and palpation. These data lend support to the conclusion of Choi and Mitani that the Myo-Monitor stimulates the fifth and seventh cranial nerves. The data derived here correlate with those of other investigations and clearly establish that the transmission of the Myo-Monitor stimulus ...Continue Reading

Citations

Oct 1, 1988·Cranio : the Journal of Craniomandibular Practice·B C Cooper
Nov 7, 2007·Cranio : the Journal of Craniomandibular Practice·David M Hickman, William Stauber
May 13, 2008·Cranio : the Journal of Craniomandibular Practice·Barry C Cooper, Israel Kleinberg
May 17, 2012·Cranio : the Journal of Craniomandibular Practice·Barry C Cooper, UNKNOWN International College of Cranio-Mandibular Orthopedics (ICCMO)
Apr 1, 1995·Journal of Dental Research·J P LundJ S Feine
Jan 1, 1997·Cranio : the Journal of Craniomandibular Practice·C P Vargo, D M Hickman
Jul 8, 2014·Cranio : the Journal of Craniomandibular Practice·Atsushi YamashitaJunro Yamashita
May 22, 2009·Cranio : the Journal of Craniomandibular Practice·Barry C Cooper, Israel Kleinberg
Jun 26, 2020·Journal of Oral Pathology & Medicine : Official Publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology·Sanjivan Kandasamy, Charles S Greene
Jul 1, 1987·Cranio : the Journal of Craniomandibular Practice·J C Butterworth, W W Deardorff
Jan 1, 1984·The Laryngoscope·B C Cooper, D D Rabuzzi
Apr 9, 2004·British Dental Journal·P H R Wilson, A Banerjee
Oct 1, 1976·The Journal of Prosthetic Dentistry·G T CharbeneauC H Williams

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