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The Effect of Prolonged Sugar-Free Chewing Gum Mastication on Self-Reported Fatigue Levels and Changes of Static and Dynamic Surface Electromyography Parameters in Young Individuals With and Without Temporomandibular Joint Disorders.

StatusRecruiting
PhaseNot specified
Started
View on ClinicalTrials.gov ↗
Record status
This record was last updated May 1, 2026 (before its estimated July 30, 2026 completion). Its status may not reflect the trial's current state.

Record History

  1. Start date changed from estimate of Dec 1, 2025 to Oct 1, 2025
    • Secondary endpoints: details revised at 1 of 1 entry
    v2
  2. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
This case-control study investigates fatigue induced by prolonged gum mastication in individuals with temporomandibular disorders (TMD). The study addresses two primary questions: How does self-reported fatigue, measured with a visual analogue scale (VAS), change during sustained chewing? How do static and dynamic surface electromyographic (sEMG) parameters evolve over the same period? Participants with TMD will be compared with healthy controls to determine group differences in perceived fatigue and EMG responses. All participants will undergo baseline EMG assessment, then chew sugar-free gum continuously for 3 minutes, alternating sides without rest. After each 3-minute interval, static and dynamic EMG recordings will be obtained and participants will rate their fatigue on the VAS. This cycle may be repeated up to six times (maximum 18 minutes). Participants are free to stop chewing at any time if fatigue becomes intolerable.
Trial Details
NCT Number NCT07273123
Lead Sponsor University of Milan
Conditions
(from sponsor)		 Temporomandibular Joint Disorder
Related terms Temporomandibular Joint Disorders
Enrollment 30 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov