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Caries reductions between 1995, 1997 and 1999 in preschool children in Diadema, Brazil by M. Bönecker; W. Marcenes; A. Sheiham is a Dentistry article available to read on EtoBox.

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**Summary.** **Aims.** This study aimed to assess changes in caries prevalence and severity in preschool children in Diadema, Brazil. **Methods.** Three cross‐sectional surveys were conducted, using the same protocol, in 1995, 1997 and 1999. The first survey included children aged 5–35 months, and the second and third, children aged 5–59 months. Participants were selected from all children attending a National Day of Children’s Vaccination; 548, 992 and 690 in 1995, 1997 and 1999, respectively. This approach was sound as uptake rates for all years studied were above 90% for children aged between 1 and 59 months in all three surveys. Caries experience was measured using the World Health Organization (WHO) def index. Time‐lag and quasi‐longitudinal analysis were carried out. **Results.** Time‐lag analysis showed a marked and statistically significant decline in the prevalence and severity of coronal and rampant caries between 1995 and 1999. There were reductions of 36·5% in the prevalence of caries in 2‐year‐olds between 1995 and 1997 (__P__ < 0·002) and 36·0% between 1997 and 1999 (__P__ = 0·041). The mean def‐s at the same age decreased from 2·0 in 1995 to 1·1 in 1997 (__P__ 0·05

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Author

M. Bönecker; W. Marcenes; A. Sheiham

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 0960-7439)

Published

2002

Language

EN

Field

Dentistry (Health Sciences)