| effective control of dental chair unit waterline biofilm and marked reduction of bacterial contamination of output water using two peroxide-based disinfectants. | bacterial biofilm in dental unit waterlines (duws) is a widespread problem, and poses a potentially significant risk of infection to dental staff and patients, particularly those who are medically compromised or immunocompromised. the purpose of the present study was to investigate the level of bacterial contamination of dental chair unit output water in the dublin dental hospital, and to investigate the efficacy of two hydrogen peroxide-based disinfectants in reducing bacterial loads to < or =2 ... | 2002 | 12419272 |