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Randomized Controlled Trial
. 2013 Jul;84(7):941-9.
doi: 10.1902/jop.2012.120269. Epub 2012 Oct 22.

Hyaluronic Acid as an adjunct after scaling and root planing: a prospective randomized clinical trial

Sigrun Eick  1 , Antonio Renatus, Melanie Heinicke, Wolfgang Pfister, Stefan-Ioan Stratul, Holger Jentsch
Affiliations
Randomized Controlled Trial

Hyaluronic Acid as an adjunct after scaling and root planing: a prospective randomized clinical trial

Sigrun Eick et al. J Periodontol. 2013 Jul.

Abstract

Background: The study is designed to determine the effect on clinical variables, subgingival bacteria, and local immune response brought about by application of hyaluronan-containing gels in early wound healing after scaling and root planing (SRP).

Methods: In this randomized clinical study, data from 34 individuals with chronic periodontitis were evaluated after full-mouth SRP. In the test group (n = 17), hyaluronan gels in two molecular weights were additionally applied during the first 2 weeks after SRP. The control group (n = 17) was treated with SRP only. Probing depth (PD) and clinical attachment level (CAL) were recorded at baseline and after 3 and 6 months, and subgingival plaque and sulcus fluid samples were taken for microbiologic and biochemical analysis.

Results: In both groups, PD and CAL were significantly reduced (P <0.001). The changes in PD and the reduction of the number of pockets with PD ≥5 mm were significantly higher in the test group after 3 (P = 0.014 and 0.021) and 6 (P = 0.046 and 0.045) months. Six months after SRP, the counts of Treponema denticola were significantly reduced in both groups (both P = 0.043), as were those of Campylobacter rectus in the test group only (P = 0.028). Prevotella intermedia and Porphyromonas gingivalis increased in the control group.

Conclusion: The adjunctive application of hyaluronan may have positive effects on PD reduction and may prevent recolonization by periodontopathogens.

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