Nitrite and Oral Lactobacillus: A Systematic Review of Antibacterial Effects and Clinical Associations Abraham Stephen Joshua1, Dimas Prasetianto Wicaksono2*, Ardianti Maartrina Dewi2 Abstract Nitrite has been proposed as an endogenous oral antimicrobial factor, but its relationship with caries-associated Lactobacillus remains unclear. This systematic review evaluated the antibacterial effects of nitrite