ArticleAnnals of biomedical engineering2025
Evaluating Clear Aligner Performance by Bone Strain Measurement: A Novel Experimental Approach.
Article in Annals of biomedical engineering, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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.
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Who cites it
1 citing paper in PubMed.
- In Vivo Assessment of SED: A Novel Biomechanical Indicator for Periodontal Tissue Remodeling in Clear Aligner Therapy.Annals of biomedical engineering · 2026Article
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Authors and funding
7 authors.
Funding
Abstract
purposeClear aligner therapy has gained popularity; however, treatment outcomes often remain suboptimal, emphasizing the need to evaluate the biomechanical performance of clear aligners. Previous experimental studies have focused on measuring forces transferred to tooth models, but the absence of a periodontal ligament in these models limits their ability to simulate realistic orthodontic processes. This study introduces a novel method for assessing clear aligner performance using bone strain as a key indicator.
methodsAn experimental device was developed, featuring a dental model with a periodontal ligament substitute fabricated from polyvinyl siloxane and a strain measurement system equipped with two strain gauges embedded in the bone component. The device's feasibility was evaluated by simulating the orthodontic treatment of a proclined maxillary central incisor, where bone strains were measured under controlled conditions of imposed forces up to 10 N applied to the crown and orthodontic forces exerted by clear aligners with activation angles of 1 and 2 degrees.
resultsThe results demonstrated that the fabrication technique for the periodontal ligament substitute was effective, achieving uniform thickness, while the strain gauges embedded in the dental model exhibited satisfactory accuracy when validated against the theory. Furthermore, the device reliably detected variations in bone strain across different force levels and aligner activation angles.
conclusionThese findings confirm the effectiveness of the proposed method and device in evaluating aligner performance, offering significant potential for future comparative studies of clear aligner designs and treatment protocols, thereby contributing to advancements in orthodontic research and improved clinical outcomes.
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Registered trials
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