Document Detail


Timing affects the clinical outcome of adjunctive systemic antibiotic therapy for generalized aggressive periodontitis.
MedLine Citation:
PMID:  17608574     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Systemic antibiotics improve the outcome of scaling and root planing (SRP) in patients exhibiting severe periodontitis. This study evaluated the influence of timing of adjunctive systemic antibiotics in the sequence of periodontal therapy. METHODS: Two cohorts of patients with generalized aggressive periodontitis and treated by SRP, adjunctive antibiotics, and supportive periodontal therapy (SPT) were analyzed retrospectively. Cohort A (17 patients; 36 +/- 5 years of age) received systemic amoxicillin/metronidazole immediately after SRP ("immediate"); cohort B (17 patients; 36 +/- 4 years of age) received the same regimen 3 months after SRP, following SPT, including subgingival reinstrumentation ("late"). Clinical parameters, including probing depth (PD), relative attachment level (RAL), bleeding on probing (BOP), and suppuration, were recorded with a pressure-sensitive electronic probe at baseline and 3 and 6 months after SRP. RESULTS: Significant time*group interactions were found for all clinical parameters except BOP, i.e., timing of antibiotic therapy affected the course of clinical changes over time. Immediate antibiotic therapy produced significantly higher initial changes (0 to 3 months) in PD and RAL. Late antibiotic therapy at 3 months resulted in additional significant improvements in all clinical parameters between 3 and 6 months. In initially deep sites (baseline PD >6 mm), improvements in PD and RAL over 6 months were significantly higher with immediate antibiotic therapy compared to late antibiotic therapy. CONCLUSION: Within the limits of a retrospective analysis, these findings indicate that administration of amoxicillin/metronidazole immediately after initial SRP provides more PD reduction and RAL "gain" in initially deep sites than late administration at SPT with reinstrumentation after 3 months.
Authors:
Doğan Kaner; Claudia Christan; Thomas Dietrich; Jean-Pierre Bernimoulin; Bernd-Michael Kleber; Anton Friedmann
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Publication Detail:
Type:  Comparative Study; Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of periodontology     Volume:  78     ISSN:  0022-3492     ISO Abbreviation:  J. Periodontol.     Publication Date:  2007 Jul 
Date Detail:
Created Date:  2007-07-30     Completed Date:  2007-10-19     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8000345     Medline TA:  J Periodontol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1201-8     Citation Subset:  D; IM    
Affiliation:
Institute for Periodontology and Synoptic Dentistry, Charité - Universitätsmedizin Berlin, Berlin, Germany. dogan.kaner@charite.de
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MeSH Terms
Descriptor/Qualifier:
Adult
Amoxicillin / administration & dosage*
Anti-Bacterial Agents / administration & dosage*
Combined Modality Therapy
Dental Scaling / methods*
Drug Administration Schedule
Drug Therapy, Combination
Female
Humans
Male
Metronidazole / administration & dosage*
Periodontal Index
Periodontitis / drug therapy*
Retrospective Studies
Severity of Illness Index
Time Factors
Treatment Outcome
Chemical
Reg. No./Substance:
0/Anti-Bacterial Agents; 26787-78-0/Amoxicillin; 443-48-1/Metronidazole

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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