Table 8: Results of safety and economic evaluation according to the material (x: corrosion was not observed. o: corrosion was observed).

MaterialThicknessCorrosionViability (MTT assay)Viability (stain test)Cost effectiveness

Ti-6Al-4V0.20 mmx90.20%HighLow
PB0.25 mmo50.58%LowHigh
Ni co0.20 mmo77.83%LowNormal
Ni co0.25 mmo85.04%LowNormal
Ni co0.30 mmo81.39%LowNormal
SS 3160.20 mmx95.99%HighNormal
SS 3160.25 mmx96.52%HighNormal
SS 3160.30 mmx95.90%HighNormal