Effervescent tablets and ultrasonic devices against microorganisms in denture biofilm - Andrade, I. M.; Souza-Gugelmin, Maria Cristina Monteiro de; Paranhos, Helena de Freitas Oliveira; Silva-Lovato, Cláudia Helena; Cândido, Regina Célia; Souza, R. F.; Cruz, P. C. (General Session and Exhibition of the International Association for Dental Research(IADR), 2009)