Figures & data
Figure 1. Dimensions and 3D view of the cobalt-chromium implant substitutes.
Table 1. Materials used in the experiments.
Figure 2. Crowns de-bonded from implant substitutes when the insides of the crowns are (a) sandblasted, (b) ground and (c) melt-etched with potassium hydrogen difluoride.
Figure 3. Potassium hydrogen difluoride crushed in a mortar and filled in crowns before melt-etching.
Figure 4. Inner surfaces of crowns, visualized in stereo microscope after (a) sandblasting, (b) grinding and (c) melt etching.
Figure 5. The tensile system schematically drawn with one of the group 3C abutment substitutes.
Table 2. Results of tensile testing at rupture, mean values and standard deviations.