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A Comparative Study of Machine Learning Techniques for Caries Prediction

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5 Author(s)
Montenegro, R.D. ; Dept. of Comput. & Syst., Pernambuco State Univ., Recife ; Oliveira, A.L.I. ; Cabral, G.G. ; Katz, C.
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There are striking disparities in the prevalence of dental disease by income. Poor children suffer twice as much dental caries as their more affluent peers, but are less likely to receive treatment. This paper presents an experimental study of the application of machine learning methods to the problem of caries prediction. For this paper a data set collected from interviews with children under five years of age, in 2006, in Recife, the capital of Pernambuco, a state in northeast Brazil, was built. Four different data mining techniques were applied to this problem and their results were confronted in terms of the classification error and area under the ROC curve (AUC). Results showed that the MLP neural network classifier out performed the other machine learning methods employed in the experiments, followed by the support vector machine (SVM) predictor. In addition, the results also show that some rules (extracted by decision tress) may be useful for understanding the most important factors that influence the occurrence of caries in children.

Published in:

Tools with Artificial Intelligence, 2008. ICTAI '08. 20th IEEE International Conference on  (Volume:2 )

Date of Conference:

3-5 Nov. 2008