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ABSTRACT
Although titanium is a highly inert material, it may corrode when in contact with the oral cavity. This study aimed to examine the titanium presence and levels in gingiva samples that had been in contact with a dental implant cover screw for 3 months. Twenty two-staged dental implants were included in the study as a test group. Gingiva samples were taken over the implant sites. Ten control samples were obtained from oral mucosa during gingivoplasty. All samples were analyzed by Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry.
The results showed that the average semi-quantitative titanium levels were higher in the test group (50.4 μg/g ± 23.5 μg/g) than in the control group (37.1 μg/g ± 1.0 μg/g). This difference was found to be statistically insignificant (p = 0.075). The presented study showed that titanium may corrode in a relatively short time. Long-term studies are needed with a higher number of patients and varying conditions to evaluate the titanium levels in the soft tissues around implants.
