A. Nextdent 5100 Printer (Vertex-Dental B.V., Soesterberg, The Netherlands); B. Orthoflex material (Vertex-Dental B.V., Soesterberg, The Netherlands); C. 3D printed specimen.

 
 
  Part of: Stoev YY, Uzunov TT, Stoyanova NS, Grozdanova-Uzunova RG, Kosturkov DN, Taneva IK (2023) Mechanical properties of materials for 3D printed orthodontic retainers. Folia Medica 65(6): 986-992. https://doi.org/10.3897/folmed.65.e107299