Papilla formation and crestal resorption on implants, with a "platform switch", placed at different interimplant distances - Novaes Júnior, Arthur Belém; Oliveira, R. R.; Vula, P.; Muglia, Valdir Antônio; Taba Júnior, Mário (Annual Meeting of the Current Implant Challenges : Interact Today to Act Tomorrow, 2007)