Table 2.

Triplicate Schaedler broth cultures after Sterrad sterilization of contaminated 3D models with the 48-h-contamination protocol.

Contaminating reference strain	Growth control Subculture on agar at 48 h	Schaedler broths Turbidity at 7 days	7-days-Schaedler broths subcultures on blood agar after 48 h
E. coli ATCC 25922 (n = 6 × 3)	Positive (3/3)	Clear (15/15)	Negative (15/15)
S. aureus ATCC 29213 (n = 6 × 3)	Positive (3/3)	Clear (15/15)	Negative (15/15)
E. faecalis ATCC 29212 (n = 6 × 3)	Positive (3/3)	Clear (15/15)	Negative (15/15)
P. aeruginosa ATCC 27853 (n = 6 × 3)	Positive (3/3)	Clear (15/15)	Negative (15/15)