Resumo

TROJAHN, Mari Raquel Botlender; SILVA, Robert Carvalho da  e  JOLY, Júlio César. Non-surgical periodontal therapy for the treatment of chronic periodontitis. RGO, Rev. gaúch. odontol. (Online) [online]. 2013, vol.61, n.4, pp.529-534. ISSN 1981-8637.

Objective The aim of this split-mouth controlled study was to compare the clinical benefits of administering subgingival 10% Doxycycline (test group) with a placebo gel (control group), as an adjunct to mechanical therapy in the treatment of chronic periodontitis. Methods Fifteen patients with moderate to severe chronic periodontitis, with at least 2 pairs of comparable contralateral defects (pocket depth ≥6 mm), were selected. The subjects were submitted to initial periodontal treatment, which included oral hygiene advice and supra-gingival ultrasonic instrumentation at least one month before starting the experiments. Clinical attachment level (CAL), probing depth (PD) and gingival margin level (GML) were assessed at baseline, and after 3 and 6 months, using a manual probe (PCP-15, Hu Friedy). Plaque index was less than 20% throughout the study period. Results Comparison between groups indicated a PD reduction and CAL gain greater in the test group than in the control group at 3 and 6 months; however, no significant difference was shown (p>0,05). Conclusion The findings suggest that 10% Doxycycline hyclate applied subgingivally as an adjunct to conventional periodontal treatment, did not promote additional benefit when compared to scaling and root planing with a placebo gel in patients with moderate to severe chronic periodontitis.

Palavras-chave : Chronic periodontitis.; Dental scaling.; Doxycycline..

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