Disclosed are a novel
Streptococcus salivarius (S. salivarius G7, KCCM13161P) strain, a composition containing the same for prevention or alleviation of an
oral disease, and oral probiotics, and specifically, the novel
Streptococcus salivarius (S. salivarius G7, KCCM13161P) strain can prevent, treat, and alleviate periodontal diseases through strong antibacterial and antiinflammatory activities against
periodontal disease-causing strains, prevents, treat, and alleviates dental caries through strong
antibacterial activity against dental caries-causing strains and
biofilm formation inhibitory ability, and suppress halitosis caused by oral diseases, thereby contributing to
oral health improvement.