2073 Caries Prevalence Between Drinkers of Different Types of Waters
G. MURMURA, G. PERINETTI, A. TUCCI, F. MONACO, C. CORDELLA, G. VARVARA, S. CAPUTI, and P. ESPOSITO, Universita G D'Annunzio, Chieti, Italy

Objectives: As a national preventive planning, artificial fluoridation of tap water, in an optimal range, has been performed in the most developed countries. The rate of fluoride in the tap water of Abruzzo, a region of centre of Italy, is close to zero with a maximum value of 0.03 ppm, while in the commercial available water of the same area it is about 10 fold higher. This study evaluated the caries prevalence in children of Abruzzo divided as regular drinkers of tap or commercial water. Methods: A total of 6354 children of both genders (ages: 5 - 9; mean 7.35 years) negative for the assumption of any fluoride drugs were monitored. Each subject compiled a questionnaire regarding gender, age, frequency of tooth brushing, and regular use of tap or commercial water. A dental visit was also performed in each participant and the number of decayed (D), missing (M) and filled (F), deciduous (t) and permanent (T) teeth were recorded. From the initial sample, 5475 subjects had full data. A series of univariate analyses was carried out in order to assess differences in DMFT/t between the groups by predictors. Finally a dichotomous DMFT/t was used in a multiple forward logistic regression. Results: The DMFT/ts (±SE) were 2.44 (±0.09) and 2.19 (±0.04), in the tap and commercial water drinkers, respectively (p<0.01). Moreover, the logistic regression reveals that the regular drink of commercial water may be protective against caries with an odds ratios of 0.86 (p<0.05). Conclusion: This survey initially evaluates the effects of commercial water, as compared to those of tap water, on the caries prevalence in Abruzzo, and underlines the need for national treatment planning of fluoridation of water as an effectiveness preventive measure against dental caries.

Seq #214 - Caries Prediction, Clinical Trials, Diagnosis
3:45 PM-5:00 PM, Friday, 27 June 2003 Svenska Massan Exhibition Hall B

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