Electromyography of the suprahyoid musculature following mandibular advancement with and without rigid fixation

Edward Ellis, Paul C. Dechow, David S. Carlson, Victoria LaRoche

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9 Scopus citations

Abstract

The purpose of this investigation was to determine if the activity of the suprahyoid musculature changes following advancement of the mandible and the use of rigid or nonrigid fixation. Ten monkeys underwent mandibular advancement; six underwent 6 weeks of maxillomandibular fixation (MMF), and four had rigid fixation without MMF. Electromyography (EMG) of the suprahyoid musculature was performed preoperatively, and at 3, 7, and 10 weeks postoperatively. The results of this study fail to demonstrate an increase in suprahyoid EMG activity following mandibular advancement. Furthermore, there were no differences between the groups with different types of fixation.

Original languageEnglish (US)
Pages (from-to)49-53
Number of pages5
JournalJournal of Oral and Maxillofacial Surgery
Volume48
Issue number1
DOIs
Publication statusPublished - Jan 1990

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ASJC Scopus subject areas

  • Surgery
  • Oral Surgery
  • Otorhinolaryngology

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