AUTHOR=Faisal Reem H. , Ali Alaa O. TITLE=Increased bacterial load of Filifactor alocis in deep periodontal pockets discriminate between periodontitis stage 3 and 4 JOURNAL=Frontiers in Oral Health VOLUME=Volume 6 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/oral-health/articles/10.3389/froh.2025.1543030 DOI=10.3389/froh.2025.1543030 ISSN=2673-4842