Trial reportJournal of oral rehabilitation2025
Jaw Exercise Versus Jaw & Posture Exercise Therapies in Comparison to Occlusal Splint Effectiveness in Probable Sleep Bruxism: A Randomised Controlled Study.
Trial report in Journal of oral rehabilitation, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05555628 (Comparison of Two Exercise Therapy Protocols in Patients With Bruxism), which is not on this map. Not yet cited in PubMed.
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
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Comparison of Two Exercise Therapy Protocols in Patients With Bruxism: A Randomized Controlled Trial
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Authors and funding
6 authors.
Funding
Abstract
backgroundDespite various treatment approaches for bruxism, there is limited evidence comparing exercise therapy and occlusal splints, highlighting the importance of this study.
objectivesTo compare the effects of a 6-week jaw exercise (JE) program with combined jaw and posture exercises (JP) on pain and mandibular motion in patients with probable sleep bruxism. The secondary objectives were to evaluate the effects of the interventions on oral parafunctions, posture, and sleep quality.
methodsSixty-three patients with probable sleep bruxism were randomly assigned to JE, JP, or Occlusal Splints (OS) groups at the University Hospital. Pain levels were assessed using the visual analogue scale (VAS), and the maximum oral opening was measured using a calliper. Secondary outcomes included oral parafunctions, evaluated via the Oral Behaviours Checklist, and posture, assessed using craniovertebral and craniohorizontal angles. Assessments were performed at baseline, post-treatment (6th week), and 12th week follow-up. Data were analysed using repeated measures ANOVA (Group × Time).
resultsAll groups demonstrated significant pain reductions (p < 0.05), but none of the groups showed superiority (p > 0.05). Mouth opening improved significantly only in the JE group (p < 0.05), with no intergroup differences (p > 0.05). Improvements in oral parafunctions occurred in the JE and JP groups (p < 0.05), but the differences between the groups were not significant (p > 0.05). No significant changes were observed in the craniovertebral or craniohorizontal angles (p > 0.05). No adverse events were observed in any intervention group.
conclusionThis trial found no substantial superiority between interventions. Exercise-based therapies (JE and JP) and OS similarly improved pain, mouth opening, and oral parafunctions in bruxism patients, with no postural changes. Further studies should explore long-term effects in diverse populations.
trial registrationClinicalTrials.gov identifier: NCT05555628.
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