| prevalence of selected bacterial named species and uncultivated phylotypes in endodontic abscesses from two geographic locations. | evidence is mounting that the prevalence of some putative endodontic pathogens can significantly vary according to the geographic location in which samples were taken. this study aimed to provide additional knowledge on this subject by comparing the frequencies of 10 selected candidate endodontic pathogens in samples of acute apical abscesses obtained from two distinct geographic locations; portland, or, and rio de janeiro, brazil. dna was extracted from aspirates and used as template in nested ... | 2006 | 17174667 |