TABLE 4. Concentration of the ions leached into the artificial saliva solutions from the Ti/suprastructure couples.

Sample	Individual ion concentrations/ppm	Total
C1	Ni: 0.950; Cr: 0.399; Mo: 0.214; Si: -; Ti: 0.184	1.75
C2	Co: 1.21; Cr: 0.479; Mo: 0.122; Mn: 0.011; Si: (-); Ti: 0.181	2.01
C3	Au: 0.002; Pd: 0.048; Cu: 0.011; Sn: 0.016; Ga: (-); In: (-); Ti: 0.179	0.256
C4	Au: 0.038; Pt: 0.006; Rh: 0.001; Zn: (-); Ti: 0.182	0.227