Cristina (Cîșlariu) Vasilache, Ciprian-Ionuț Morăraș, Viorel Goanță, Georgeta Zegan, Maria-Antonela Beldiman
ABSTRACT
Aim of the study The demand for clear aligners therapy has increased significantly in recent times, due to awareness of aesthetic orthodontic treatment alternatives and the materials used in aligners technology need to be improved by their properties – one of the most essential aspects. Materials and methods Our study aimed to determine the important property of elasticity of different types of materials used in the manufacture of aligners, usually made either through the thermoforming process or 3D printing, with a performant testing system, a specific software, on samples made from different materials and different thickness, with special marks, in order to determine the elasticity until the breaking moment. Data were registered and the software elaborated the parameters and the curves for specific elastic range, and the variations of relaxation in relation to the longitudinal and transversal specific deformation. Conclusions The study revealed that there were no significant longitudinal specific deformation of approx. 1%, of the variation graph, correlating the results with similar findings in the scientific literature.
DOI : 10.62610/RJOR.2025.1.17.34