Methods of Biotyping of Streptococcus mutans Species with the Routine Test as a Prognostic Value in Early Childhood Caries

Figure 4

Streptococcus sp. cells isolated from dental plaque from a child with ECC. The picture shows the macro- and micromorphology of Streptococcus sp. (a) S. mutans colonies with a characteristic white color on the HLR-S selective medium; (b) on blood agar BA; (c) Gram-stained S. mutans cells (Olympus CX41, CaMedia C5550); (d) S. mutans cells under a scanning electron microscope.

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