Impact of history of periodontitis on gene expression of bone-related factors in young patients oleh Fabiano Ribeiro CIRANO, Suzana Peres PIMENTEL, Fernanda Vieira RIBEIRO, Marcio Zaffalon CASATI, Renato Corrêa CASARIN, Daniel Freire GALLAFASSI, Denise NISHII, Mônica Grazieli CORRÊA