Journal of clinical periodontology · 2026
The Effect of Adjunctive Systemic Antibiotics on the Outcomes of Non-Surgical Periodontal Therapy: A Retrospective Cohort Study.
СтатьяМногоцентровое исследованиеСравнительное исследованиеНазвание и аннотация: Перевод в очереди
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Chatzopoulos Georgios S, Wolff Larry F
Аннотация
AIM: To evaluate the real-world comparative effectiveness of various adjunctive systemic antibiotic regimens in combination with scaling and root planing (SRP) using a large, multi-centre retrospective cohort.
MATERIALS AND METHODS: Electronic health records were used retrospectively to categorise periodontitis patients into 'SRP Only' or 'SRP + Antibiotic' groups based on prescriptions within 7 days of therapy. Primary outcomes included changes in probing depth (PD), clinical attachment level (CAL), percentage of sites with PD ≥ 4 mm and bleeding on probing (BOP). Secondary outcomes assessed tooth-level worsening in mobility or furcation status.
RESULTS: Among 3125 patients, the amoxicillin + metronidazole combination was found to be statistically superior to SRP alone for reducing PD, BOP and residual disease burden. It significantly reduced the odds of worsening tooth mobility by 63% and furcation involvement by 50%. While azithromycin and doxycycline improved CAL, the benefits of the amoxicillin + metronidazole combination were most pronounced in Stage III/IV (severe) periodontitis (-11.4% residual burden reduction, OR 4.55 for clinical success), compared to a modest effect in Stage I/II disease (-3.8%, p = 0.030).
CONCLUSION: Adjunctive systemic antibiotics, particularly the amoxicillin + metronidazole combination, significantly enhance clinical outcomes in non-surgical periodontitis treatment compared to SRP alone, with the greatest benefits seen in severe disease.
MATERIALS AND METHODS: Electronic health records were used retrospectively to categorise periodontitis patients into 'SRP Only' or 'SRP + Antibiotic' groups based on prescriptions within 7 days of therapy. Primary outcomes included changes in probing depth (PD), clinical attachment level (CAL), percentage of sites with PD ≥ 4 mm and bleeding on probing (BOP). Secondary outcomes assessed tooth-level worsening in mobility or furcation status.
RESULTS: Among 3125 patients, the amoxicillin + metronidazole combination was found to be statistically superior to SRP alone for reducing PD, BOP and residual disease burden. It significantly reduced the odds of worsening tooth mobility by 63% and furcation involvement by 50%. While azithromycin and doxycycline improved CAL, the benefits of the amoxicillin + metronidazole combination were most pronounced in Stage III/IV (severe) periodontitis (-11.4% residual burden reduction, OR 4.55 for clinical success), compared to a modest effect in Stage I/II disease (-3.8%, p = 0.030).
CONCLUSION: Adjunctive systemic antibiotics, particularly the amoxicillin + metronidazole combination, significantly enhance clinical outcomes in non-surgical periodontitis treatment compared to SRP alone, with the greatest benefits seen in severe disease.
Предметные рубрики MeSH
HumansRetrospective StudiesAnti-Bacterial AgentsDental ScalingAmoxicillinMetronidazoleRoot PlaningTreatment OutcomeFemaleCombined Modality TherapyMiddle AgedAzithromycinDoxycyclinePeriodontitisPeriodontal PocketPeriodontal Attachment LossDrug Therapy, CombinationTooth MobilityChronic PeriodontitisFurcation Defects