Bacterial flora in and around teeth and gums of healthy and infected individuals

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The samples of infected and healthy individuals were taken through sterilized swabs. The samples were collected from gums, tongue, soft palate, cheeks and throat. In most of the infectious samples collected during our study, the common diagnosis was of dental caries, dental plaque and dentoalveolar abscess that are caused when normal oral flora increase in number, and, irritation exceeds the host defense threshold. The bacterial flora isolated from healthy individuals were Streptococcus mutans, S. salivarius, S. mitis, and Staphylococcus epidermidis, and that from infected individuals were Streptococcus mutans, S. mitis, S. sanguis, Staphylococcus epidermidis, Haemophilus haemolyticus and Neisseria subflava. In both the cases, Streptococcus mutans was found in maximum number.

Bacterial flora; healthy; infected individuals; teeth; gums