Examination of Oral Microbiota Diversity in Adults and Older Adults as an Approach to Prevent Spread of Risk Factors for Human Infections

Table 1

Potentially pathogenic microbiota identified in oral cavities of patients of particular age groups.

Group and age of patients	Microbiota identified in oral cavities
	Protista	Fungi	Bacteria
I; 41–50	Trichomonas. tenax; Entamoeba. gingivalis	Candida albicans; Candida glabrata; Candida spp.	Gram-positive bacteria strains; Enterococcus faecalis; Enterococcus faecium; Staphylococcus epidermidis; Staphylococcus aureus; Micrococcus luteus; Gram-negative bacteria strains; Enterobacteriaceae: Escherichia coli; Klebsiella oxytoca; Klebsiella pneumoniae; Non-Enterobacteriaceae: Acinetobacter baumannii; Pseudomonas aeruginosa
II; 51–60	Trichomonas. tenax; Entamoeba. gingivalis; Acanthamoeba sp.	Candida albicans; Candida spp.	Gram-positive bacteria strains; Enterococcus faecalis; Staphylococcus epidermidis; Staphylococcus aureus; Gram-negative bacteria strains; Enterobacteriaceae: Pantoea agglomerans; Escherichia coli; Non-Enterobacteriaceae; Pseudomonas aeruginosa
III; 61–70	Trichomonas. tenax; Entamoeba. gingivalis	Candida albicans; Candida spp.	Gram-positive bacteria strains; Enterococcus faecalis; Staphylococcus epidermidis; Gram-negative bacteria strains; Enterobacteriaceae: Escherichia coli