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J. Clin. Periodontol. · Sep 2016
Randomized Controlled TrialNon-surgical periodontal treatment in conjunction with 3 or 7 days systemic administration of amoxicillin and metronidazole in severe chronic periodontitis patients. A placebo-controlled randomized clinical study.
- Raluca Cosgarea, Raluca Juncar, Christian Heumann, Roxana Tristiu, Liana Lascu, Nicole Arweiler, Andreas Stavropoulos, and Anton Sculean.
- Department of Periodontology, Philipps University Marburg, Marburg, Germany.
- J. Clin. Periodontol. 2016 Sep 1; 43 (9): 767-77.
AimTo evaluate the effect of 3 or 7 days systemic administration of amoxicillin (AMX) and metronidazole (MET) or placebo as adjunct to non-surgical periodontal treatment in severe chronic periodontitis patients.MethodsOne hundred and two patients with severe chronic periodontitis [e.g. ≥1 site with probing pocket depth (PD) ≥ 6 mm per quadrant] were randomly divided into three equally sized groups and treated with either scaling and root planing within 24 h (SRP) + placebo (Group A) or SRP + AMX + MET (both 500 mg × 3 times daily) for 3 days (Group B) or SRP + AMX + MET (both 500 mg × 3 times daily) for 7 days (Group C). PD, clinical attachment level (CAL), bleeding on probing (BOP), full-mouth plaque scores (FMPS) and gingival bleeding index (GBI) were assessed prior to treatment (baseline), and at 3 and 6 months post-treatment. The primary outcome variable was the difference (Δ) in the number of sites with PD ≥ 6 mm.ResultsNinety-one patients completed the study. At both 3 and 6 months, all three treatment protocols resulted in statistically significant improvements compared to baseline for all evaluated clinical parameters (p < 0.001). At 6 months, a statistically significantly greater reduction in the mean number of sites with PD ≥ 6 mm was observed in group B (28.62 ± 15.32 sites) and group C (30.45 ± 15.04 sites) compared to the placebo group (17.10 ± 14.68 sites). Furthermore, both the 3- and the 7-day antibiotic regimen resulted in statistically significantly higher clinical improvements compared to the placebo group (p < 0.05).ConclusionThe present findings indicate that in patients with severe chronic periodontitis, non-surgical periodontal therapy in conjunction with a 3 or 7 days systemic administration of AMX + MET may lead to significantly greater clinical improvements compared to non-surgical therapy alone.© 2016 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.
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