Strong and persistent microbial and inflammatory stimuli overcome the genetic predisposition to higher matrix metalloproteinase-1 (MMP-1) expression: a mechanistic explanation for the lack of association of MMP1-1607 single-nucleotide polymorphism genotypes with MMP-1 expression in chronic periodontitis lesions - Repeke, Carlos Eduardo; Trombone, Ana Paula Fávaro; Ferreira Júnior, Samuel Barros; Cardoso, Cristina R.; Silveira, Elcia Maria; Martins Junior, Walter; Trevilatto, Paula Cristina; Silva, João Santana; Campanelli, Ana Paula; Garlet, Gustavo Pompermaier (Journal of Clinical Periodontology, 2009)