Porphyromonas, Fusobacterium, and Treponema abundance

Older age group is associated with Porphyromonas, Fusobacterium, and Treponema abundance in humans.

“while periodontopathogens including Porphyromonas, Fusobacterium, and Treponema were more abundant.”

HumansMid-age and Elder groups compared with younger groupssupragingival plaque

A cross-sectional study of supragingival microbiome depending on age in Korean population

Scientific reports·14 May 2026