Journal of clinical periodontology · 2012
Incidence and magnitude of bacteraemia caused by flossing and by scaling and root planing.
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Zhang William, Daly Christopher G, Mitchell David, Curtis Brad
Аннотация
AIM: (1) Investigate incidence, magnitude and bacterial diversity of bacteraemia due to flossing compared with scaling and root planing (SRP) and (2) Identify any associations with clinical parameters.
MATERIALS AND METHODS: Full-mouth flossing and single quadrant SRP were performed at separate visits for 30 patients with chronic periodontitis. Baseline blood samples and at 30 s and 10 min. after completion of flossing, 5 min. after initiation of SRP and 30 s and 10 min. after completion of SRP were obtained. Total bacteraemia and viridans streptococcal bacteraemia (VSB) were investigated.
RESULTS: Total bacteraemia incidence was 30% for flossing and 43.3% for SRP (no significant difference; p = 0.21). Flossing and SRP caused the same incidence of VSB (26.7%). Flossing caused a higher mean magnitude of total bacteraemia than SRP (7.4 ± 16.2 CFU/ml versus 2 ± 3.4 CFU/ml), but the difference was not significant (p = 0.2). Flossing caused a higher mean magnitude of VSB than SRP (1.2 ± 1.6 CFU/ml versus 0.4 ± 0.2 CFU/ml), but the difference was not significant (p = 0.09). Viridans streptococci comprised 11.4% of flossing bacteraemia isolates and 7.6% in SRP. No correlations were found between clinical parameters and incidence or magnitude of bacteraemia following flossing. Gingival inflammation was significantly associated with incidence of total bacteraemia (p = 0.01) and VSB (p = 0.001) following SRP. No correlations were found for any parameter and magnitude of total bacteraemia or VSB following SRP.
CONCLUSIONS: No differences were found between flossing and SRP in the incidence or magnitude of total bacteraemia or VSB. This finding is important in the ongoing re-evaluation of antibiotic prophylaxis to prevent infective endocarditis.
MATERIALS AND METHODS: Full-mouth flossing and single quadrant SRP were performed at separate visits for 30 patients with chronic periodontitis. Baseline blood samples and at 30 s and 10 min. after completion of flossing, 5 min. after initiation of SRP and 30 s and 10 min. after completion of SRP were obtained. Total bacteraemia and viridans streptococcal bacteraemia (VSB) were investigated.
RESULTS: Total bacteraemia incidence was 30% for flossing and 43.3% for SRP (no significant difference; p = 0.21). Flossing and SRP caused the same incidence of VSB (26.7%). Flossing caused a higher mean magnitude of total bacteraemia than SRP (7.4 ± 16.2 CFU/ml versus 2 ± 3.4 CFU/ml), but the difference was not significant (p = 0.2). Flossing caused a higher mean magnitude of VSB than SRP (1.2 ± 1.6 CFU/ml versus 0.4 ± 0.2 CFU/ml), but the difference was not significant (p = 0.09). Viridans streptococci comprised 11.4% of flossing bacteraemia isolates and 7.6% in SRP. No correlations were found between clinical parameters and incidence or magnitude of bacteraemia following flossing. Gingival inflammation was significantly associated with incidence of total bacteraemia (p = 0.01) and VSB (p = 0.001) following SRP. No correlations were found for any parameter and magnitude of total bacteraemia or VSB following SRP.
CONCLUSIONS: No differences were found between flossing and SRP in the incidence or magnitude of total bacteraemia or VSB. This finding is important in the ongoing re-evaluation of antibiotic prophylaxis to prevent infective endocarditis.