Comparative Microbial Assessment of Different Screw Access Hole Plugging Materials in Screw Retained Implants: An In vivo Study

Bacterial contamination of cotton was highest and statistically significant when compared with both PTFE and Co1%CHX for both aerobic and anaerobic bacteria. Co1%CHX with fewer positive samples and lower bacterial counts was found to be a better plugging material than PTFE. However, the leakage from SAH for both PTFE and Co1%CHX was insufficient to cause any significant increase in IL-6 levels in PISF of patients after 3 months.