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Journal of Dental Research
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Electromyographic-force Characteristics in the Assessment of Oral Function

S.J. Lindauer

Department of Orthodontics, Medical College of Virginia School of Dentistry, Box 566, Virginia Commonwealth University, Richmond, Virginia 23298

T. Gay

Department of Biostructure and Function, Uniuersity of Connecticut Health Center, Farmington, Connecticut 06032

J. Rendell

Department of Biostructure and Function, Uniuersity of Connecticut Health Center, Farmington, Connecticut 06032

The purpose of this investigation was to examine the utility of EMG-force characteristics as reliable and valid parameters by which to assess oral function. Masseter-muscle activity was recorded during controlled isometric biting exercises performed at various bite openings and force levels on two separate occasions. Measured muscle-activity levels, as well as the EMG-force characteristics of slope and y-intercept, were compared between bite openings and experimental trials. Sensitivity, assessed as the ability to detect statistically significant differences in muscle function due to changes in muscle length, was found to be acceptable for all measurements, except the y-intercept parameter, and during production of minimal forces. Reproducibility, evaluated as the correspondence between values recorded at different experimental sessions, was best for the EMG-force parameter of slope and during production of higher forces. The results from this study support the following conclusions : (1) Substantial variations in muscle function exist between individuals; (2) acceptable reliability and sensitivity of quantitative EMG values can be achieved, especially at higher muscle-activity levels, by rigidly controlling and quantifying functional activities during experimental trials; (3) the slope of an EMG-force curve is a reproducible, quantitative, and functionally sensitive measurement for assessment of muscle function; and (4) the EMG-force y-intercept is not a reliable quantity by which muscle-function characteristics may be studied.

REFERENCES

  • Ahlgren, J. (1966): Mechanism of Mastication: A Quantitative Cinematographic and Electromyographic Study of Masticatory Movements in Children with Special Reference to Occlusion of the Teeth, Acta Odontol Scand 24 (Suppl 44):1-109.
  • Angelone, L.; Clayton, J.A.; and Brandhorst, W.S. (1960): An Approach to Quantitative Electromyography of the Masseter Muscle, J Dent Res 39:17-23.[Free Full Text]
  • Bakke, M.; Michler, L.; Han, K.; and Moller, E. (1989): Clinical Significance of Isometric Bite Force versus Electrical Activity in Temporal and Masseter Muscles, Scand J Dent Res 97:539-551.[Medline] [Order article via Infotrieve]
  • Basmajian, J.V. and Deluca, C.J. (1985): Muscles Alive, Baltimore: Williams & Wilkins.
  • Dechow, P.C. and Carlson, D.S. (1986): Occlusal Force after Mandibular Advancement in Adult Rhesus Monkeys, J Oral Maxillofac Surg 44:887-893.[CrossRef][Medline] [Order article via Infotrieve]
  • Fields, H.W.; Proffit, W.R.; Case, J.C.; and Vig, K.W.L. (1986): Variables Affecting Measurements of Vertical Occlusal Force, J Dent Res 65:135-138.[Abstract/Free Full Text]
  • Garnick, J.J. (1975): Reproducibility of the EMG, J Dent Res 54:867-871.[Abstract/Free Full Text]
  • Garrett, F.A.; Angelone, L.; and Allen, W.I. (1964): The Effect of Bite Opening, Bite Pressure, and Malocclusion on the Electrical Response of the Masseter Muscles, Am J Orthod 50:435-444.[CrossRef]
  • Gay, T. and Piecuch, J. (1986): An Electromyographic Analysis of Jaw Movements in Man, Electromyogr Clin Neurophysiol 26:365-384.[Medline] [Order article via Infotrieve]
  • Gordon, A.M.; Huxley, A.F.; and Julian, F.J. (1966): The Variation in Isometric Tension with Sarcomere Length in Vertebrate Muscle Fibers, J Physiol (Lond) 184:170-192.[Abstract/Free Full Text]
  • Gorniak, G.C. (1986): Correlation between Histochemistry and Muscle Activity of Jaw Muscles in Cats, J Appl Physiol 60:1393-1400.[Abstract/Free Full Text]
  • Harper, R.P.; Debruin, H.; and Burcea, I. (1987): Lateral Pterygoid Muscle Activity in Mandibular Retrognathism and Response to Mandibular Advancement Surgery, Am J Orthod 91:70-76.
  • Inman, V.T.; Ralston, H.J.; Saunders, J.B.C.M.; Feinstein, B.; and Wright, E.W. (1952): Relation of Human Electromyogram to Muscular Tension, Electroencenphalogr Clin Neurophysiol 4:187-194.[CrossRef]
  • Johnston, C.P.; Throckorton, G.S.; and Bell, W.H. (1984): Changes in EMG Activity Following Superior Repositioning of the Maxilla, J Oral Maxillofac Surg 42:656-664.[CrossRef][Medline] [Order article via Infotrieve]
  • Lippold, O.C.J. (1952): The Relation between Integrated Action Potentials in a Human Muscle and its Isometric Tension, J Physiol (Lond) 117:492-499.[Free Full Text]
  • Malmstadt, H.V.; Enke, C.G.; and Crouch, S.R. (1981): Electronics and Instrumentation for Scientists, Reading, MA: Benjamin/ Cummings, pp. 464 and 465.
  • Manns, A.; Miralles, R.; and Palazzi, C. (1979): EMG, Bite Force, and Elongation of the Masseter Muscle under Isometric Voluntary Contractions and Variations of Vertical Dimension, J Prosthet Dent 42:674-682.[CrossRef][Medline] [Order article via Infotrieve]
  • Manns, A. and Spreng, M. (1977): EMG Amplitude and Frequency at Different Muscular Elongations Under Constant Masticatory Force or EMG Activity, Acta Physiol Lat Am 27:259-271.[Medline] [Order article via Infotrieve]
  • Milner-Brown, H.S. and Stein, R.B. (1975): The Relation between the Surface Electromyogram and Muscular Force, J Physiol (Lond) 246:549-569.[Abstract/Free Full Text]
  • Moller, E. (1966): The Chewing Apparatus; An EMG Study of the Action of the Muscles of Mastication and its Correlation to Facial Morphology, Acta Physiol Scand 69 (Suppl 280):59-229..
  • Moyers, R.E. (1949): Temporomandibular Muscle Contraction Patterns in Angle Class II, Division 1 Malocclusions: An Electromyographic Study, Am J Orthod 35:837-857.[CrossRef][Medline] [Order article via Infotrieve]
  • Muhl, Z.F.; Grimm, A.F.; and Glick, P.L. (1978): Physiologic and Histologic Measurements of the Rabbit Digastric Muscle, Arch Oral Biol 23:1051-1059.[CrossRef][Medline] [Order article via Infotrieve]
  • Nordstrom, S.H. and Yemm, R. (1974): The Relationship between Jaw Position and Isometric Active Tension Produced by Direct Stimulation of the Rat Masseter Muscle, Arch Oral Biol 19:353-359.[CrossRef][Medline] [Order article via Infotrieve]
  • Ralston, H.J. (1961): Uses and Limitations of Electromyography in the Quantitative Study of Skeletal Muscle Function, Am J Orthod 47:521-530.[CrossRef]
  • Ringqvist, M. (1973): Isometric Bite Force and its Relation to Dimensions of the Facial Skeleton, Acta Odontol Scand 31:35-42.[CrossRef][Medline] [Order article via Infotrieve]
  • Sasaki, K.; Hannam, A.G.; and Wood, W.W. (1989): Relationships between the Size, Position, and Angulation of Human Jaw Muscles and Unilateral First Molar Bite Force, J Dent Res 68:499-503.[Abstract/Free Full Text]
  • Throckmorton, G.S.; Finn, R.A.; and Bell, W.H. (1980): Biomechanics of Differences in Lower Facial Height, Am J Orthod 77:410-420.[CrossRef][Medline] [Order article via Infotrieve]
  • Weijs, W.A. and Hillen, B. (1985): Cross-Sectional Areas and Estimated Intrinsic Strength of the Human Jaw Muscles, Acta Morphol Neerl Scand 23:267-274.[Medline] [Order article via Infotrieve]

Journal of Dental Research, Vol. 70, No. 11, 1417-1421 (1991)
DOI: 10.1177/00220345910700110401
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This Article
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