ROBINSON, HAMILTONB. G.: School of Dentistry, Washington University, St. Louis, Mo. (Aug. 24, 1938).

 

Caries may result in (a) impairment of digestive functions, (b) dental granulomas or dental-root cysts, (c) local spread of infection in bone or soft tissues, and (d) secondary infection in other tissues or organs ( focal infection) .

Caries is not a disease to be considered only from its local aspects, but its far-reaching systemic effects should also be ascertained. Basic studies of struc­ture and composition of dental tissues should be furthered; salivary norms and the immune factor in saliva should be determined; and caries should be further classified.

References: J. Am. Den. Assoc., 1937; Wash. Univ. Den. J., 1938.

Roos, ADOLF : Basle, Switzerland (Sep. 10, 1938).

In the Goms-Valley, in the upper part of the mountain district of Valais, the 4000 inhabitants, before the construction of the main street and railway 50-80 years ago, lived an isolated and primitive but healthy life. Today there are complete and caries-free dentitions in the old people in different localities, but the younger generation, and especially the children, show increasing in­cidence of caries. A study of their living habits and especially of their diet, in comparison with those of 50-80 years ago, demonstrates the deteriorating effects of soft bread made in modern bakeries with imported flour, and of other imported, refined, or canned foods. [Reported by Rudolf Jeanneret.]

Reference: Schw. Monat. Zahnh., 1937.

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