Humans 3 Streptococcus gordonii controlled study 3 human 3 microbiology 3 Article 2 Biofilms 2 adult 2 biofilm 2 gene cluster 2 genetics 2 growth, development and aging 2 metabolism 2 nonhuman 2 operon 2 physiology 2 scanning electron microscopy 2 3' flanking region 1 5' flanking region 1 Adhesins 1 Adhesins, Bacterial 1 Adult 1 Aged 1 Attachment of fibroblasts 1 Bacterial Adhesion 1 Bacterial Proteins 1 Bacteriocins 1 Base Composition 1 Biocompatibility 1 Biofilm formation 1