ArticleAnnals of translational medicine2021
Hyaluronic acid
Article in Annals of translational medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 3 of them syntheses that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
14 citing papers in PubMed, 3 syntheses or guidelines pooled it, 21 citations in OpenAlex.
- Effectiveness of Hyaluronic Acid Injection in the Reconstruction of Interdental Papilla: A Systematic Review.Oral health & preventive dentistry · 2025Pooled it
- The use of hyaluronic acid injection for treatment of black triangle and reconstruction of lost interdental papilla in anterior teeth: a systematic review.Acta odontologica Scandinavica · 2024Pooled it
- Interdental papilla reconstruction: a systematic review.Clinical oral investigations · 2024Pooled it
- Trial
- Non-Surgical Cosmetic Treatment Modalities for Interdental Papilla Reconstruction "Black Triangles": An Evidence-Based Review.Journal of cosmetic dermatology · 2026Review
- Hyaluronic acid versus microneedling with injectable platelet-rich fibrin in the treatment of partial loss of interdental papillae: A pilot randomized clinical trial.The Saudi dental journal · 2026Article
- Effectiveness of hyaluronic acid vs. surgical and non-surgical methods for Papilla Reconstruction: a systematic review.Frontiers in dental medicine · 2026Review
- Pink esthetic treatment of gingival recession, black triangle, and gummy smile: a narrative review.Maxillofacial plastic and reconstructive surgery · 2025Review
- The Psychosocial Impact on Gingival Aesthetics Questionnaire (PIGAQ): The Effect of Sociodemographic Variables on Results in a Spanish Adult Population. An Observational and Cross-Sectional Study.Journal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.] · 2025Observational
- Population Distribution and Patients' Awareness of Food Impaction: A Cross-Sectional Study.Healthcare (Basel, Switzerland) · 2024Article
- Evaluation of Interdental Papilla Regeneration Using Injectable Hyaluronic Acid: A Clinical Study.Cureus · 2024Article
- Investigating the efficacy of hyaluronic acid in minimizing black triangles: A comprehensive analysis.F1000Research · 2024Review
- Food Impaction in Dentistry: Revisited.Oral health & preventive dentistry · 2023Review
- Effectiveness of Hyaluronic Acid Gel Injection with and without PRGF for Management of Interdental Papillary Loss: A Randomized Clinical Trial.Journal of functional biomaterials · 2023Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundloss of the interdental papillae leads to the formation of a black triangle, which compromises smile esthetics and contributes to food impaction and plaque accumulation. The aim of this study was to evaluate the efficacy of the injection of hyaluronic acid (HA) and compare it to that of physiological saline solution in the restoration of deficient gingival papillae
methodsTwenty-four patients with 68 deficient gingival papillae were recruited for this clinical trial with a split-mouth design. The deficient gingival papillae on one side of the anterior maxilla were injected with HA, and those on the other side were injected with physiological saline solution. The heights of the gingival papillae and the areas of the black triangles were measured from clinical photographs obtained before and 6 and 12 months after treatment. Additionally, the proliferation and migration of gingival fibroblasts were evaluated after HA and physiological saline treatment by an
resultsthe results revealed that the injection of HA yielded 0.198 and 0.28 mm gingival papilla increasement at 6 and 12 months, respectively, relative to the baseline (P<0.05). However, deficient gingival papillae also grew by 0.278 mm at 12 months in the group that received physiological saline solution (P<0.05). The injection of HA significantly improved deficient gingival papillae 6 months earlier than the injection of physiological saline solution. HA also significantly accelerated the proliferation and migration of gingival fibroblasts
conclusionsThe present study confirms that the injection of HA could increase the height of gingival papillae for improving gingival papilla defects. However, the effect is not superior to that of physiological saline solution. This trial was registered in the Chinese Clinical Trial Registry (ChiCTR-ONC-17011781) (28/06/2017). http://www.chictr.org.cn/showproj.aspx?proj=19931.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.