Tooth Wear, Bruxism, and Emerging Trends in Occlusal Health

A special issue of Dentistry Journal (ISSN 2304-6767). This special issue belongs to the section "Restorative Dentistry and Traumatology".

Deadline for manuscript submissions: closed (15 June 2026) | Viewed by 820

Editor


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Guest Editor
Craniofacial Pain Center, Department of Diagnostic Sciences, Tufts University School of Dental Medicine, Boston, MA 02111, USA
Interests: orofacial pain; temporomandibular disorders; dental sleep medicine

Special Issue Information

Dear Colleagues,

Tooth wear and bruxism are increasingly recognized as significant factors affecting long-term oral health, often associated with functional disturbances, esthetic concerns, and reduced quality of life. As the understanding of occlusal dynamics evolves, so too do the diagnostic and therapeutic approaches to managing these conditions. This Special Issue, Tooth Wear, Bruxism, and Emerging Trends in Occlusal Health, aims to highlight recent advances in the diagnosis, prevention, and treatment of occlusal disorders. Topics of interest include pathological tooth wear, sleep and awake bruxism, occlusal analysis technologies, psychosocial factors, and the role of digital dentistry. We also welcome studies exploring the interface between occlusion, temporomandibular joint function, and overall systemic health. Contributions may include original research articles, reviews, and other papers that advance our understanding of modern occlusal health management.

Dr. Noshir Mehta
Guest Editor

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Keywords

  • tooth wear
  • dental attrition
  • dental erosion
  • dental abrasion
  • bruxism
  • occlusal health
  • occlusal forces
  • occlusal trauma
  • temporomandibular disorders (TMD)

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Published Papers (1 paper)

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Research

18 pages, 1412 KB  
Article
Digital Visual Assessment of Tooth Wear: Practical Comparison of BEWE, Simplified TWI and TWES 2.0 on Intraoral Scans with Exploratory Sex-Stratified Observations
by Maria Lorens and Iwona Tomaszewska
Dent. J. 2026, 14(5), 264; https://doi.org/10.3390/dj14050264 - 2 May 2026
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Abstract
Objectives: This study aimed to evaluate and compare the performance of three tooth wear indices—BEWE, simplified TWI (sTWI), and TWES 2.0—based on the visual assessment of digital intraoral scans. A secondary exploratory objective was to examine unadjusted sex-stratified score distributions. Methods: This retrospective [...] Read more.
Objectives: This study aimed to evaluate and compare the performance of three tooth wear indices—BEWE, simplified TWI (sTWI), and TWES 2.0—based on the visual assessment of digital intraoral scans. A secondary exploratory objective was to examine unadjusted sex-stratified score distributions. Methods: This retrospective study included 246 anonymized intraoral scans obtained using Medit i700 and iTero Element 2 systems. All scans were independently evaluated by two calibrated examiners using the BEWE, simplified TWI (sTWI), and TWES 2.0 indices. Scoring was performed through visual assessment of the digital models, without applying automated measurements or software-assisted analysis tools. Unadjusted sex-stratified patterns were explored using mixed-effects linear models, with a significance threshold set at p < 0.05. Estimated marginal means were calculated, and graphical approaches, including heatmaps, were used to present score distributions and inter-examiner variability. Results: The indices exhibited different scoring characteristics. BEWE produced the most consistent sextant-based patterns, with low variability between examiners. TWES 2.0 showed generally stable scoring, although with slightly greater dispersion, particularly in posterior sextants. In contrast, sTWI demonstrated the highest variability and more pronounced surface-specific differences, especially on occlusal and palatal surfaces. Sex-stratified analyses indicated minor and inconsistent variations. Although isolated statistically significant findings were observed (BEWE Sextant 6; TWES 2.0 Sextant 5), they did not form a consistent or interpretable pattern. Conclusions: Assessment based on digital intraoral scans highlighted differences in scoring behavior depending on the index used. BEWE demonstrated the most stable scoring patterns, TWES 2.0 showed moderate consistency, while sTWI was associated with the greatest variability. Differences observed in sex-stratified analyses were minor and lacked consistency. Clinical significance: BEWE enables consistent scoring when applied to digital scans and may be appropriate for monitoring purposes. TWES 2.0 provides a structured approach to screening. The higher variability observed with sTWI indicates that caution is warranted when it is used exclusively on digital models. Overall, the choice of index has a substantial impact on the assessment of tooth wear in digital workflows. Full article
(This article belongs to the Special Issue Tooth Wear, Bruxism, and Emerging Trends in Occlusal Health)
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