35
Participants
Start Date
August 31, 2011
Primary Completion Date
January 31, 2012
Study Completion Date
March 31, 2012
Toothbrush type
Evaluate the use of toothbrushes with bristles soft and medium
Federal University of Rio Grande do Sul, Porto Alegre
Fundação de Amparo à Pesquisa do Estado do Rio Grande do Sul, Brazil
OTHER
Federal University of Rio Grande do Sul
OTHER