ArticleBMC oral health2025
Digital measurement of tooth wear in sleep bruxism patients wearing occlusal splints.
Article in BMC oral health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- A Novel Preparation-Free Palatal Veneer Technique with Incisal Seating Lugs for Management of Tooth Surface Loss: A Case Report.Reports (MDPI) · 2026Article
- Muscle Tone Regulation and Bruxism in Chronic Stress: Pathophysiological Links to Tooth Fractures and Dental Hard Tissue Pathology.Medical sciences (Basel, Switzerland) · 2026Review
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Authors and funding
4 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundSleep bruxism is a common parafunctional activity that can lead to progressive tooth wear and long-term restorative consequences. Although occlusal splints are widely used to prevent tooth surface loss, the extent of wear in splint-wearing patients remains insufficiently explored. This study aimed to evaluate volumetric tooth wear in canines and first molars among sleep bruxism patients treated with occlusal splints using digital intraoral scanning.
methodsA prospective cohort of 16 patients (mean age 27.9 ± 4.5 years) diagnosed with sleep bruxism and wearing polymethyl methacrylate (PMMA) upper occlusal splints was followed for 18 months. Intraoral scans were performed at baseline and follow-up using the TRIOS 4® scanner. Volumetric wear was assessed on the masticatory surfaces of upper and lower canines and first molars using best-fit superimposition and STL analysis software. Statistical comparisons of model volume between upper and lower teeth and between timepoints were performed using the Wilcoxon signed-rank test with a significant level of 0.05.
resultsAll tooth groups showed statistically significant volumetric tooth reduction over 18 months (p < 0.001). However, no significant differences in wear were observed between the upper and lower arches for either canines (p = 0.940) or first molars (p = 0.207). Grinding-type bruxism was more prevalent than clenching-type in the cohort (11 grinding-type and 5 clenching-type patients).
conclusionsWhile PMMA splints may help reduce tooth wear during sleep-related bruxism, measurable tooth wear still occurred. Therefore, effective management of sleep bruxism requires combining splint therapy with comprehensive strategies, such as behavioral and dietary counseling, and regular monitoring.
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