Effect of environmental and socioeconomic factors on the use of dental floss among children: a hierarchical approach.

The aim of this study was to evaluate the association of environmental and socioeconomic characteristics with the use of dental floss in preschool children. This cross-sectional study was conducted with a sample of 402 preschool children aged 1-5 years, from Santa Cruz do Sul, a Southern city in Brazil. Mothers answered questions about environmental, demographic, and socioeconomic characteristics.