Bacterial Contamination of the Internal Cavity of Dental Implants After Application of Disinfectant or Sealant Agents Under Cyclic Loading In Vitro

The internal aspects of two-part dental implants are known to be colonized by bacteria via the implantabutment interface (IAI).1 The consequence of this colonization can be peri-implant inflammatory reactions, possibly resulting in implant failure.2–4 Several materials have been developed to establish an infection barrier. However, few data are available regarding these materials. Thus, the present study tested the following null hypothesis: Bacterial colonization of the IAI is independent of (1) the implant system, (2) dynamic loading, and (3) pretreatment of the IAI with disinfectant or sealing agents.

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