PurDentix ReviewsBifidobacterium Lactis, frequently called B1-O4, is a probiotic strain known for its wonderful capacity to lessen plaque and gum irritation. This strain upsets unsafe microbes, for example, Porphyromonas gingivalis, related with periodontitis and other serious oral medical issue. Bifidobacterium Lactis keeps up with sound gums and teeth by focusing on these hurtful microorganisms.