[Studies on the antibacterial efficacy of Cu-compounds in combination with acridine orange as additive to a polymethylacrylate].

Copper acetate of suitable specific surface (Kupferacetat Fargua) and copper acetate plus acridin orange intermixed with Palacos powder have bactericidal efficacy against gram-negative and gram-positive bacterias depending on bacterial species. The Palacos osseous cement releases the intermixed substances over long periods of time. There exists a mutual influence on the bactericidal increase of both substances.