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Acta Odontológica Latinoamericana

versão On-line ISSN 1852-4834


USIN, María M et al. Generalized aggressive periodontitis: microbiological composition and clinical parameters in non-surgical therapy. Acta odontol. latinoam. [online]. 2016, vol.29, n.3, pp.255-261. ISSN 1852-4834.

The aim of this study was to determine the variations in periodontal parameters and microbiological composition in periodontal pockets at the baseline and 3 and 6 months posttreatment in patients with Generalized Aggressive Periodontitis (GAP) undergoing nonsurgical periodontal treatment combined with chlorhexidine and systemic antibiotics. Medical and dental history was taken from 10 subjects, average age 30.62.7 years, diagnosed with GAP. A nonsurgical periodontal treatment combined with 0.12% chlorhexidine, 875 mg amoxicillin and 500 mg metronidazole every 12 hours for ten days was conducted. At each visit, the following measurements were recorded: bacterial plaque (BP), bleeding on probing (BOP), probing depth (PD), clinical attachment level (CAL), hypermobility, and furcation lesions, and a sample of subgingival plaque was taken from the site of the deepest probing depth of each sextant to identify Porphyromonas gingivalis, Treponema denticola, Tannerella forsythia, Prevotella intermedia and Aggregatibacter actinomycetemcomitans using molecular biology techniques. After 6 months, the Wilcoxon test showed an increase of 0.97 mm in CAL (p=0.0047) and 2.54 mm in PD (p=0.009). A healthy site was defined as having a PD <5 mm, negative BOP and no pathogenic bacteria detected at 6 months, indicating significant improvement (p=0.008), with OR (95% CI) =4.7 (1.102220.11). With the treatment protocol used in this study, 6 months after treatment, patients had an approximately 4fold higher possibility of presenting PD <5 mm and periodontal pockets without periodontal pathogenic bacteria.

Palavras-chave : Aggressive periodontitis; Periodontal treatment.

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