Bacteremia after professional mechanical plaque removal in patients with chronic periodontitis

Abstract

Objective

The aim of this study was to investigate the characteristics of bacteremia caused by professional mechanical plaque removal (PMPR) in 2 groups of patients with generalized moderate chronic periodontitis.

Material and Methods

Venous blood samples were taken at multiple time points for one hour following PMPR in fifty patients with generalized moderate chronic periodontitis. Subjects consisted of two groups, one group was receiving supportive periodontal therapy (SPT, n = 25) and the other group was receiving initial periodontal therapy (IPT, n = 25). Blood samples were processed and analyzed for cultivable microflora. Pertinent clinical parameters were recorded for each patient in both groups.

Results

Bacteremia was detected in 10/25 SPT and 8/25 IPT patients (p = 0.796).

In both groups, the prevalence of bacteremia was dependent on the time of blood sampling and varied in magnitude between < 10² CFU/ml and 10⁶ CFU/ml.

Sixteen different bacterial species were identified in both groups, mostly Actinomyces naeslundii

(SPT n = 3, IPT n = 4) and Streptococcus spp. (SPT n = 6, IPT n = 2).

In regression models, furcation involvement Grade II (p = 0.004) and Gingival Bleeding Index

(p = 0.036) had affected the occurrence of bacteremia but in the SPT group only.

Conclusions

PMPR was associated with bacteremia regardless of whether a patient was receiving SPT or IPT.

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