Percentages of correct predictions range from 87to96%6 %, and univariate models explaining modern irrigation choices, having as a baseline traditional irrigation, perform better than multivariate models.
Group 1 (n = 15), irrigation was performed using the Endovac irrigation system (Discus Dental, Culver City, CA).
In group 1, irrigation was performed using the EndoVac irrigation system.
For the patients of the intraoperative and postoperative irrigation group, the postoperative irrigation is performed by specially trained nurses in the ward, using 20 mL saline three times a day for 3 days.
In group 3, irrigation was performed using a 30-gauge, side-vented irrigation needle.
In group 2, irrigation was performed using a 30-gauge, tip-vented irrigation needle.
Group 2 (n = 15), irrigation was performed using a 30-gauge, tip-vented irrigation needle (NaviTips, Ultradent, South Jordan, UT).
Group 3 (n = 15), irrigation was performed using a 30-gauge, side-vented irrigation needle (Maxi-i-probe, Dentsply, Rinn, Elgin, IL).
As the irrigating solution was clear after twenty minutes, we stopped irrigation and performed an arthrotomy of all six knee joints.
Flood irrigation was performed from the inlet to the outlet (5 m) of the irrigated pool.
Thorough irrigation was performed after microbiological sampling.
