Figure 1. Design of the study

 
 
  Part of: Aleksandrova V, Manchorova N, Todorova V, Vangelov L, Alexandrov S (2026) Micro-scratch and wear resistance of restorative dental materials: an in vitro study. Folia Medica 68(1): e161188. https://doi.org/10.3897/folmed.68.e161188