AUTHOR=Bergmeier Lesley Ann , Dutzan Nicolas , Smith Patricio C. , Kraan Heleen TITLE=Editorial: Immunology of the Oral Mucosa JOURNAL=Frontiers in Immunology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2022.877209 DOI=10.3389/fimmu.2022.877209 ISSN=1664-3224