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The article presents research examining the effect of chemicals on the rate of acid formation in human saliva. Particular attention is paid to finding an enzyme inhibitor as a practical method for the prevention of dental caries. Many quinones, peroxides, and aldehydes compounds were tested for oxidation potential. Glycerol aldehyde displayed marked inhibitory action in higher concentrations and showed promise for practical use in the control of dental caries.

The article presents research examining the effect of amino acids on the rate of acid formation in human saliva. Researchers speculate that differences in the rate of acid formation may be due to an unknown inhibitor or to a deficient enzyme system. Results found that the amino acids valine, norleucine, phenylalanine, and threonine inhibited the rate of acid formation in saliva-glucose-enamel mixtures, but the concentration needed to produce the effect was too great to cause acid inhibition.

This article discusses the results of a radiographic and clinical research study conducted to determine the effects of 2-methyl-1,4-naphthoquinone-sodium bisulphite on the prevalence of dental caries in human subjects. The compound was added to commercial chewing gum with and without vitamin K. The study found that the gum with vitamin K reduced the incidence of dental caries by between sixty and ninety percent, while the gum without vitamin K was half as effective.

The article discusses the impact that synthetic vitamin K has on the amount of acids that are formed in a person's saliva. Reasons why vitamin K impacts the acids in a person's saliva are mentioned, including its interference with the fermentation process. The impact that vitamin K had on saliva is discussed.

The article discusses dental caries and explores the causes and treatment of caries. Details are provided about a dental caries control technique which aims to retain acid inhibitors in dental plaque. Several fluoride compounds, such as sodium N-lauroyl sarcosinate and sodium dehydroacetate, were tested on subjects through dentifrices and mouthwashes.

The article focuses on the relation to caries immunity and the oxidation of glucose degradation products in the presence of saliva. It states that the rapid oxidation of lactic acid or its intermediates into less acidic substances could result in a lower incidence of dental caries. It mentions that Micrococcus lactilyticus can oxidize lactate into propionate, acetate, water, and carbon dioxide. It examines the possibility of enzymes in saliva that could oxidize glucose degradation products.

This article features a study on the inhibition of acid formation in the mouth by compounds of the amino acid naphthoquinone. Amino derivatives of 2,3-dichloro-l,4-naplithoquinone were tested for their ability to inhibit acid formation. Amines tested were amino pyridines, sulfonamides, alky lamines, and amino acids. Sulfonamides inhibited the most acid formation.