Sir.—The article "Fluoride Supplementation in Harris County, Texas" by Siegel and Gutgesell (Journal 1982; 136:61-63) was a timely reminder that physicians have room for improvement in encouraging oral fluoride supplementation.
The authors reached the conclusion that family and general practitioners are significantly less informed about fluoride than are pediatricians. My review of the data presented in this article indicates that another variable may be more important. The authors state that "most of the general practitioners were over 45 years of age." This was true of the pediatricians. The practice of oral fluoride supplementation is relatively recent, and the age of the physician may affect his exposure to the importance of this practice.
Siegel and Gutgesell state that "the majority of family physicians read medical journals that have been deficient in recent information about fluoride," and then they quote two articles from family medicine specialty publications that contain information about