AUTHOR=Georgiou Athina C. , Brandt Bernd W. , van der Waal Suzette V. TITLE=Next steps in studying host-microbiome interactions in apical periodontitis JOURNAL=Frontiers in Oral Health VOLUME=4 YEAR=2023 URL=https://www.frontiersin.org/journals/oral-health/articles/10.3389/froh.2023.1309170 DOI=10.3389/froh.2023.1309170 ISSN=2673-4842