Observational studyClinical oral investigations2024
Comparative analysis of myoelectric activity and mandibular movement in healthy and nonpainful articular temporomandibular disorder subjects.
Observational study in Clinical oral investigations, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06372769 (Comparative Analysis of Myoelectric Activity and Mandibular Movement in Healthy and Temporomandibular Disorder Subjects), which is not on this map. Cited by 3 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Comparative Analysis of Myoelectric Activity and Mandibular Movement in Healthy and Temporomandibular Disorder Subjects
Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Advances in orofacial pain research: a bibliometric analysis.Frontiers in neurology · 2025Pooled it
- A Dynamic Study of Mandibular Movement Trajectories in Patients With Disc Displacement Without Reduction.International dental journal · 2026Article
- Sleep Bruxism and Occlusal Function: A Case-Control Study Based on Polysomnography in Young Colombians.Journal of clinical medicine · 2025Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors.
Funding
Abstract
objectivesTemporomandibular disorders (TMDs) are one of the leading causes of craniofacial pain, and a high incidence of TMDs in young adults has been reported. Previous studies have used surface electromyography (sEMG) and mandibular kinematic analysis for TMDs diagnosis. This study aimed to provide normal reference values of sEMG and mandibular kinematics in Han Chinese adults, compare the sex differences and assess their diagnosis value on pain-free articular TMDs. MATERIALS AND
methodsThis observational study recruited healthy young adults with individual normal occlusion and nonpainful articular TMDs patients with disc displacement. The sEMG signals of the anterior temporalis (TA), masseter (MM), and sternocleidomastoid and digastric were recorded in the mandibular postural positions (MPP) and during maximal voluntary clenching (MVC) with K7 electromyograph. Mandibular kinematics, including maximum opening and opening/closing velocities, were assessed by K7 kinesiograph.
resultsThe sEMG reference values ranged from 3.0 to 4.3 µV in the MPP (n = 90) in healthy subjects. The sEMG values during MVC, maximum opening, and opening velocity were significantly higher in males than in females. Also, these indices showed good diagnostic efficiency for pain-free articular TMDs (n = 26).
conclusionsReference values and sex differences in sEMG and mandibular kinematics in healthy subjects were determined. Compared with them, articular TMDs patients showed significantly lower myoelectric activity during maximal biting and restricted mouth opening range and velocity, which may assist in TMDs diagnosis. CLINICAL RELEVANCE: By analyzing sEMG of masticatory muscle and mandibular kinematics data from healthy Han Chinese young adults and TMDs patients with disc displacement, this study evaluated the sex difference and their diagnosis value on nonpainful TMDs with disc displacement. CLINICAL TRIAL REGISTRATION ID: NCT06372769.
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Registered trials
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