Efforts to promote the use of compounds of calcium and phosphorus in medicine and in dentistry have been increasing. The representations seem to depend on the assumed deficiency of calcium and phosphorus in the diet and on the assertion that the general ingestion of calcium phosphate compounds is beneficial in overcoming conditions presumably due to what is glibly called calcium imbalance.
Because of the extensive promotion of these products to the dental profession, the Council on Dental Therapeutics, a body analogous to the Council on Pharmacy and Chemistry, has reviewed the functions, uses and actions of calcium in human physiology and nutrition.1 The Council on Dental Therapeutics points out that the dentist is primarily interested in the following special aspects of calcium metabolism: 1. Are disorders of the teeth, notably dental caries, related to the dietary intake of calcium (and phosphorus)? 2. Is the development of sound teeth in