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Adjunctive Use of Hyaluronic Acid in the Treatment of Gingival Recessions: a Systematic Review and Meta-analysis

Overview
Specialty Dentistry
Date 2024 May 21
PMID 38771388
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Abstract

Objectives: To explore the efficacy of Hyaluronic acid as an adjunctive in treatment of gingival recessions (GR).

Materials And Methods: A systematic literature search was performed in several electronic databases, including Medline/ PubMed, Embase, CENTRAL and LILACS. Recession improvement was evaluated through multiple outcome variables. The Cochrane Risk of Bias tool and the ROBINS-I tool were used to assess the quality of the included trials. Weighted Mean Differences (WMDs) and 95% confidence intervals (CIs) between test and control sites were estimated through meta-analysis using a random-effect model for the amount of Relative Root Coverage (RRC).

Results: A total of 3 randomised studies were deemed as eligible for inclusion. Their data were also used for pooling the effect estimates. Overall analysis of RRC (3 studies) presented a WMD of 7.49% (p = 0.42; 95% CIs -10.88, 25.86) in favour of adjunctive use of hyaluronic acid during Coronally Advanced Flap (CAF) technique, although statistical significance was not reached. Statistical heterogeneity was found to be high (I = 80%).

Conclusions: Within their limitations, the present data indicate that the local application of Hyaluronic acid does not lead to additional clinical benefits when used as an adjunctive to the treatment of GR with CAF. However, due to the high heterogeneity among the studies, additional well-designed RCTs are needed to provide further evidence on this clinical indication for the use of Hyaluronic acid.

Clinical Relevance: In the frame of the current review, the adjunctive use of Hyaluronic acid does not additionally improve the clinical outcomes obtained during treatment of GR with CAF.

Citing Articles

RNA Sequencing Revealed a Weak Response of Gingival Fibroblasts Exposed to Hyaluronic Acid.

Panahipour L, Imani A, Dos Santos Sanches N, Kuhtreiber H, Mildner M, Gruber R Bioengineering (Basel). 2025; 11(12.

PMID: 39768125 PMC: 11726844. DOI: 10.3390/bioengineering11121307.

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