Modelling the Longevity of Dental Restorations by means of a CBR System

Table 1

Changes in the CBR system for evaluating the longevity of dental restorations.

Step	Initial CBR system	Modifications and improvements
Retrieval of cases	-nearest neighbour algorithms	EM algorithm and Bayesian networks
Reuse of cases	Radial basis function network	Mixture of experts
Learning of cases	Radial basis function network; pruning metrics	Prediction models and cases