With the equilibrium of host-microorganism, periodontopathogens can appear in the subgingival plaques of periodontally healthy subjects. Therefore, the microbial baseline of different people varies.

Researchers have found evidence that the amount of bacteria in subgingival plaques, the deep plaques in periodontal pockets and around the teeth, may contribute to an individual's risk of a heart ...

Longitudinal studies observing microbial changes in subgingival plaques at different time points of orthodontic treatment are included.