Figure 1.

A) Teeth in plaster blocks (upper, from left to right: composite Filtek Z250 without recurrent caries, composite Filtek Z250 without recurrent caries, composite flow with recurrent caries, composite Gradia with recurrent caries; lower, from left to right: composite amalgam with recurrent caries, composite Filtek Z250 without recurrent caries, composite Filtek Z250 without recurrent caries, composite Filtek Z250 without recurrent caries). B) Imaging the restorative materials using the cone-beam computed tomography (CBCT) scan. C) High-resolution CBCT with metal artifact reduction application. D) Standard CBCT with metal artifact reduction application. E) High-resolution CBCT. F) Standard CBCT