17/08/2026
📢 Newly Published Paper Alert!
Title: Materials and Biomechanics of Clear Orthodontic Aligners: Current Advances and Future Direc-tions — A Narrative Review
Authors: PAULO VINICIUS DE OLIVEIRA BASTOS AND COAUTHORS
Abstract: Clear aligner therapy has become a mainstream modality in contemporary orthodontics, yet its clinical predictability remains closely tied to the physicochemical and mechanical behavior of the materials employed. This narrative review synthesizes recent literature on the materials science and biomechanics of clear aligners, covering conventional thermoplastic polymers (polyethylene terephthalate glycol and polyurethane), directly three-dimensional (3D)-printed photocurable resins, and the emerging class of shape memory polymers (SMP). Evidence indicates that conventional thermoformed materials undergo measurable degradation in hardness, elastic modulus, and flexural strength following thermoforming and intraoral aging, contributing to unpredictable force decay over the wear cycle. Directly ...
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https://www.globalscientificjournal.com/researchpaper/Materials_and_Biomechanics_of_Clear_Orthodontic_Aligners_Current_Advances_and_Future_Direc_tions_A_Narrative_Review.pdf