Dental erosion is considered to be an increasing problem. However, clear information about the number of people affected is lacking. This review of 22 observational studies suggests that the worldwide prevalence is 30.4% (95%CI 23.8–37.0). However there is considerable heterogeneity between the studies in part related to the number of indices currently being used to measure tooth wear. So the estimate needs to be viewed with caution.
While this new review of observational studies does suggest an increase in tooth erosion in those suffering with eating disorders concerns of the quality of the available evidence means that this is not sufficient to support a causal role for eating disorders in tooth erosion.
