Interest of periodontal maintenance in improving autoimmune diseases: about an oral lichen planus case reportClement Petagna, Laure Bocqueho, Camille Framery, Gwenola Ferrec, Heloise Herry, Laurent Misery and Sylvie BoisraméJ Oral Med Oral Surg, 28 2 (2022) 20DOI: https://doi.org/10.1051/mbcb/2021046