Green fluorescence (fluoresceindiacetate (FDA); alive): red fluorescence (ethidiumbromide (EB); damaged membrane dead) ratio of saliva biofilms after treatment with different procedures. Data are presented as (). versus NaCl control (within equally colored columns); versus Agent only for each agent separately; Plasma plus Agent versus Agent plus plasma for each agent separately. values were retrieved from Mann-Whitney- tests and were Bonferroni corrected.