Dental caries and related factors in Brazilian children from fluoridated and non-fluoridated areas

  • Thaís Manzano Parisotto PhD student
  • Luciana Maria Paes da Silva Ramos Fernandes master student
  • Fabíola Galbiatti de Carvalho PhD
  • Eliete de Oliveira Coelho DDS
  • Marinês Nobre-dos-Santos Associate Professor
  • Olga Maria Mascarenhas de Faria Oliveira Associate Professor
  • Sandra Regina Pombeiro Sponchiado Adjunct Professor
Keywords: Dental caries, fluoride, diet, saliva, buffers

Abstract

Purpose: To compare the caries prevalence, saliva buffering capacity (SBC), oral hygiene (OH), dietary habits, family income (FI) and frequency of visits to a dental office (Do) between Brazilian children living in areas with and without fluoridated public water supply. Methods: Forty-six 5-7-year-old preschoolers were selected in Itatiba, SP, Brazil; 19 were from a fluoridated area, and 27 were from a non-fluoridated area. The caries index was determined according to the World Health Organization criteria, and the SBC was assessed by titration with hydrochloric acid. The FI, frequency of OH and visits to Do were estimated by questionnaire. The dietary habits were assessed with a diet chart. The differences between the groups were analyzed with Mann-Whitney-U tests (α=0.05). Results: Children from the non-fluoridated area showed significantly higher dmft/DMFT than those from the fluoridated area, but they showed significantly lower SBC, OH frequency and FI. No significant differences were observed between the areas for dietary habits and visits to Do. Conclusion: Children from fluoridated areas showed higher salivary buffering capacity, family income and oral hygiene frequency as well as lower caries prevalence, supporting the beneficial effect of fluoride in the tap water for caries prevention.

Author Biographies

Thaís Manzano Parisotto, PhD student
Department of Pediatric Dentistry-Piracicaba Dental School, University of Campinas
Luciana Maria Paes da Silva Ramos Fernandes, master student
Department of Stomatology- Faculty of Dentistry of Bauru, University of São Paulo
Fabíola Galbiatti de Carvalho, PhD
Department of Dental Materials, Piracicaba Dental School – University of Campinas
Eliete de Oliveira Coelho, DDS
City Hall of Itatiba, São Paulo
Marinês Nobre-dos-Santos, Associate Professor
Department of Pediatric Dentistry-Piracicaba Dental School, University of Campinas
Olga Maria Mascarenhas de Faria Oliveira, Associate Professor
Department of Biochemistry and Chemical Technology-Araraquara Chemical Institute, State University of São Paulo
Sandra Regina Pombeiro Sponchiado, Adjunct Professor
Department of Biochemistry and Chemical Technology-Araraquara Chemical Institute, State University of São Paulo
Published
2010-09-26
Section
Original Article