Clinical, immunological, and microbiological analysis of the association between periodontitis and COVID-19: a case–control study

Larissa Marques Bemquerer, Sicília Rezende Oliveira, José Alcides Almeida de Arruda, Fernanda Pereira Delgado Costa, Lucyene Miguita, Ana Luisa Marques Bemquerer, Ana Carolina Velasco Pondé de Sena, Alessandra Figueiredo de Souza, Daniel Fajardo Mendes, Ayda Henriques Schneider, Michelle de Campos Soriani Azevedo, Denise Vieira Travassos, Gustavo Pompermaier Garlet, Fernando Q. Cunha, Renato Santana Aguiar, Renan P. Souza, Ricardo Santiago Gomez, Axel Spahr, Fabian Obregon-Miano, Lucas Guimarães Abreu, Fernando Oliveira Costa, Tarcı́lia Aparecida Silva