Romanian Journal of Medical and Dental Education Volum 10 Issue 4, 2021 CLEAR ALIGNERS – TECHNOLOGIES AND MATERIALS


Maria-Antonela Beldiman, Georgiana Macovei, Georgeta Zegan, Nicoleta Ioanid, Cristina (Cîșlariu) Vasilache


Aim of the study  The technology of elaborating clear aligners represents a new and revolutionary change in orthodontics, which permanently challenges the approach of orthodontic therapy.  In the permanent evolution of orthodontic treatments, the digital technology to produce clear aligners offered the possibility to apply this therapeutic option and to correct moderate/severe malocclusions, by using new materials – tripolymer plastic and use some optimized attachments. Materials and methods For our clinical case, an 18 years old patient, after all steps of orthodontic evaluation, we decided to apply a clear aligner treatment. In the office we registered a digital impression, using Cerec Omnicam (Dentsply-Sirona), saved all the data we need, and upload all the necessary files with SparkTM Approver (Ormco), in order to elaborate the 20 clear aligners for each dental arch, by 3D printing. Results In the last time there were published in the scientific literature, a number of preliminary studies regarding 3D printed clear aligners; it was observed that the thermoformed aligners, the thickness of the aligner influences the magnitude of force it delivers to generate optimal tooth movement and performance, meanwhile, the 3D printing method is controlling the thickness of dental aligners. Conclusions This is a model.

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