The Effect of Saliva Ph on the Electrical Galvanic Current Between Titanium Implant and Cobalt Chromium Bar Attachment
Keywords:Saliva, Galvanic Current, Titanium Implant, Cobalt
Objectives: The present study was carried out to evaluate the effect of Ph changes of the saliva on the electrical galvanic currents between the anodizing titanium implant with cobalt chromium bar attachment. Material and methods: Eighteen dental implants (9 model each model 2 dental implants with bar). Every two titanium implants were inserted within acrylic block, a cobalt chromium bar was used to connect the two implants and attached to it with titanium screws. The blocks of acrylic resin with dental implant and cobalt chromium bar classified into three groups according to the artificial saliva Ph (neutral, acidic and alkaline). Following immersion in artificial saliva the flow of galvanic current between titanium dental implant and cobalt chromium bar was measured after 7 and 30 days. The data was statistically analysis used F-test (ANOVA) to compare between the groups and post hoc test (LSD) for pairwise comparison. Results: the result of this study showed that there was statistically significant different between the groups, with higher galvanic current in acidic Ph group. Conclusion: Within the limitation of this in vitro study, there where galvanic current between titanium dental implant when coupled with cobalt chrome bar and it significantly increased with the time especially when immersed in acidic media.
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