{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,15]],"date-time":"2026-04-15T00:45:11Z","timestamp":1776213911316,"version":"3.50.1"},"reference-count":69,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2024,7,13]],"date-time":"2024-07-13T00:00:00Z","timestamp":1720828800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Victor Babes University of Medicine and Pharmacy Timisoara"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>Objectives: This human histological study\u2019s purpose was to histologically evaluate papillae\u2019s healing after hyaluronic acid (HA) gel augmentation at three healing time points after one injection with hyaDENT BG\u00ae. Methods: Fifteen papillae from two patients with stage III, grade B periodontitis have been selected for this study. Every week for three weeks, five papillae were injected once with HA gel, and during the fourth week, the papillae were surgically removed as part of step 3 of the periodontal treatment. The histological analysis was performed on fifteen papillae, with five papillae corresponding to every timepoint of healing (weeks 1, 2, and 3). The primary outcome was considered to be the newly formed collagen fibers. The presence of residual HA, the integrity of epithelium or the presence of erosions\/ulcerations, the presence and characteristics of inflammatory infiltrate, the presence of granulomatous reactions, and interstitial edema were considered to be secondary outcomes. Results: From the first to the third week, newly formed connective tissue begins to appear, while the observed HA pools (vesicles) content decreases. The density of inflammatory infiltrate was higher in the first week after injection, decreasing considerably by week 3; however, it was still visible throughout the healing time points. A granulomatous reaction was present in only three samples, while no signs of ulceration or necrosis could be observed; however, epithelial erosions could be observed on some samples after the first week. Conclusions: Papila augmentation with hyaluronic acid promotes new collagen formation from the second week of healing despite some foreign body granulomatous reactions.<\/jats:p>","DOI":"10.3390\/jcm13144102","type":"journal-article","created":{"date-parts":[[2024,7,15]],"date-time":"2024-07-15T14:15:49Z","timestamp":1721052949000},"page":"4102","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Histologic Evaluation of Early Papilla Healing after Augmentation with Injectable Hyaluronic Acid\u2014A Proof of Concept"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8540-8149","authenticated-orcid":false,"given":"Octavia Carolina","family":"Vela","sequence":"first","affiliation":[{"name":"Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, Victor Babes University of Medicine and Pharmacy Timisoara, 300041 Timisoara, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6184-3704","authenticated-orcid":false,"given":"Marius Ion","family":"Boariu","sequence":"additional","affiliation":[{"name":"Department of Endodontics, Faculty of Dental Medicine, TADERP Research Center, Victor Babes University of Medicine and Pharmacy Timisoara, 300041 Timisoara, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vincenzo","family":"Iorio-Siciliano","sequence":"additional","affiliation":[{"name":"Department of Periodontology, School of Dental Medicine, University of Naples Federico II, 80138 Naples, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9261-5309","authenticated-orcid":false,"given":"Adrian","family":"Vaduva","sequence":"additional","affiliation":[{"name":"Department of Pathology, Faculty of Medicine, ANAPATMOL Research Center, Victor Babes University of Medicine and Pharmacy Timisoara, 300041 Timisoara, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alla","family":"Belova","sequence":"additional","affiliation":[{"name":"Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, Victor Babes University of Medicine and Pharmacy Timisoara, 300041 Timisoara, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stefan-Ioan","family":"Stratul","sequence":"additional","affiliation":[{"name":"Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, Victor Babes University of Medicine and Pharmacy Timisoara, 300041 Timisoara, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Darian","family":"Rusu","sequence":"additional","affiliation":[{"name":"Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, Victor Babes University of Medicine and Pharmacy Timisoara, 300041 Timisoara, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,7,13]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"S294","DOI":"10.4103\/0976-237X.166836","article-title":"Surgical augmentation of interdental papilla\u2014A case series","volume":"6","author":"Muthukumar","year":"2015","journal-title":"Contemp. 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