Is There Any Association Between Neurodegenerative Diseases and Periodontitis? A Systematic Review oleh María Olimpia Paz Alvarenga, Deborah Ribeiro Frazão, Isabella Gomes de Matos, Leonardo Oliveira Bittencourt, Nathália Carolina Fernandes Fagundes, Cassiano Kuchenbecker Rösing, Lucianne Cople Maia, Rafael Rodrigues Lima