In vitro evaluation of bacterial leakage along the implant-abutment interface of an external-hex implant after saliva incubation - Nascimento, Cássio do; Miani, Paola Kirsten; Watanabe, Evandro; Pedrazzi, Vinícius; Albuquerque Júnior, Rubens Ferreira de (International Journal of Oral and Maxillofacial Implants, 2011)