[Reciprocal in vitro actions of Streptococcus mutans, Actinomyces and Veillonella: a simplified model for carbohydrate metabolism in plaque].

Different acids can be found in vitro, if glucose is metabolized in plaque or by different combinations or oral bacteria: 1. Streptococcus mutans and Actinomyces do not show interactions concerning metabolism and formed acids. 2. Streptococcus mutans and Veillonella after short incubation time produce lactate; after long time of incubation acetic and propionic acid are main products and lactic acid diminishes. 3. Actinomyces and Veillonella react similar to Streptococcus mutans and Veillonella. Succinate produced by Actinomyces is fully utilized by Veillonella.