what bacteria causes halitosis?

The scientific literature refers to quite a few type of bacteria that are correlated with halitosis:

• Porphyromonas gingivalis • Fusobacterium nucleatum • Stomatococcus muci • Prevotella intermedia • Porphyromonas endodontalis • Prevotella loescheii • Hemophilus parainfluenzae • Veillonella species • Peptostreptococcus anaerobius • Micros prevotii • Eubacterium limosum • Treponema denticola • Centipeda periodontii • Eubacterium species • Selemonad aremidis • Klebsiella pneumoniae • Bacteriodes species • Prevotella melaninogenica • Citrobacter species • Fusobacterium periodonticum • Enterobacter cloacae • Stomatococcus mucilaginus