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Benefits of adjunctive moxifloxacin in generalized aggressive periodontitis: a subgroup analysesin Aggregatibacter actinomycetemcomitans-positive/negative patients from a clinical trial

Autores: Ardila CMGuzmán IC




The aim of the present study was to evaluate the influence of the baseline detection of Aggregatibacter actinomycetemcomitans (A. actinomycetemcomitans) on the clinical outcomes of moxifloxacin (MOX) as an adjunct to full-mouth scaling and root planing (SRP) in generalized aggressive periodontitis (GAgP).


Forty patients were randomly distributed to two therapy protocols: SRP + placebo or SRP combined with MOX. A. actinomycetemcomitans was detected using culture methods. The significance of the treatment option (MOX or SRP + placebo) on the dependent variables (probing depth [PD] and clinical attachment level [CAL]), considering the interaction with the baseline detection of A. actinomycetemcomitans, was estimated.


MOX therapy led to a higher significant PD reduction and CAL gain in A. actinomycetemcomitans-positive patients at baseline. In A. actinomycetemcomitans-positive patients, the reduction of sites ≥5 mm was higher in the MOX group. A. actinomycetemcomitans was not present in sites with PD ≥6 mm in the MOX group. The interactions of A. actinomycetemcomitans and MOX were significantly associated with CAL gain and PD reduction at 6 months.


Adjunctive MOX trended toward better clinical responses in A. actinomycetemcomitans-positive patients at baseline. These results suggest that A. actinomycetemcomitans at baseline might modify the effect of adjunctive MOX in GAgP.

© 2015 Wiley Publishing Asia Pty Ltd.


J Investig Clin Dent. 2017 May;8(2). doi: 10.1111/jicd.12197. Epub 2015 Nov 5.

PMID: 26538521  DOI: 10.1111/jicd.12197


Aggregatibacter actinomycetemcomitans ; clinical trial; generalized aggressive periodontitis; moxifloxacin; scaling and root planing.

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