In a previous article, we reported the arrest of caries in the teeth of diabetic children who for periods of two months or longer had received carefully controlled diets designed to conserve the sugarhandling mechanism.1 Repeated subsequent examinations of the teeth of these and of other diabetic children have confirmed these observations. No progression of caries has been demonstrable in any of the patients under this regimen. This has been interpreted as a response of the structure of the teeth to a diet furnishing essential vitamins and minerals in adequate amounts, and as indicating that in any healthy person such dietary adequacy should lead to the arrest of caries.
These diabetic diets differed from the diet usually considered as optimum for the normal child in that 70 per cent of the calories were supplied by fat. Moreover, the regimen of these children also differed from that of normal children,