Background: The aim of this study is to examine the cytotoxic effects of dental gels with different contents, which are frequently used during teething, on gingival mesenchymal stem cells (G-MSCs).
Method: The teething gels used in this study were Dentinox, Gengigel, Osanite, and Jack and Jill. The human gingival mesenchimal stem cells (hG-MSCs) were incubated with these teething gel solutions (0.1%, 50% and 80% concentrations). Reproductive behavior of G-MSCs was monitored in real time for 72 h using the xCELLigence real-time cell analyzer (RTCA) system. Two-way repeated Anova test and post hoc Bonferroni test were used to evaluate the effect of concentration and dental gel on 0-hour and 72-hour viability. Significance was evaluated at p < 0.05 level.
Results: Teething gels prepared at 50% concentration are added to the G-MSC culture, the "cell index" value of G-MSCs to which Dentinox brand gel is added is significantly lower than all other groups (p = 0.05). There is a statistically significant difference between the concentrations in terms of cell index values at the 72nd hour compared to the 0th hour (p = 0.001).
Conclusions: The local anesthetic dental gels used in children have a more negative effect on cell viability as concentration increases.
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http://dx.doi.org/10.1186/s12903-024-04213-w | DOI Listing |
J Clin Periodontol
January 2025
Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China.
Aim: To investigate the involvement of low-density lipoprotein receptor-related protein 5 (LRP5) in inflammation and alveolar bone loss in periodontitis.
Materials And Methods: Gingival tissues were obtained from 10 periodontitis patients and 10 healthy individuals. Wild-type (WT) and osteoblast-specific Lrp5 conditional knock-out C57BL/6 (LRP5fl/fl;Oc-Cre) mice were used to establish a ligature-induced mouse model of periodontitis.
Biofabrication
January 2025
Univ. Bordeaux, INSERM U1026 (BioTis), CHU Bordeaux, Université de Bordeaux Collège Sciences de la Santé, 146 Rue Léo Saignat, Bordeaux, 33000, FRANCE.
Producing oral soft tissues using tissue engineering could compensate for the disadvantages of autologous grafts (limited availability and increased patient morbidity) and currently available substitutes (shrinkage). However, there is a lack of in vitro-engineered oral tissues due to the difficulty of obtaining stable pre-vessels that connect to the host and enable graft success. The main objective was to assess the connection of pre-vascularised 3D-bioprinted gingival substitutes to the host vasculature when subcutaneously implanted in immunodeficient mice.
View Article and Find Full Text PDFOdontology
January 2025
Department of Periodontology, Faculty of Dentistry, Gazi University, Ankara, Turkey.
We aimed to investigate the wound-healing, antioxidant, and anti-inflammatory effects of pterostilbene (PTS) on human gingival fibroblasts (GF). Different concentrations of PTS were applied to GFs and cell viability was evaluated by MTT assay. GFs were stimulated by lipopolysaccharide (LPS) and the study groups were determined as LPS, LPS + 1 μM PTS, LPS + 10 μM PTS, and control.
View Article and Find Full Text PDFJ Inflamm Res
January 2025
Department of Stomatology, Affiliated Hospital of Nantong University, Nantong, Jiangsu, 226001, People's Republic of China.
Purpose: Previous studies have shown that long non-coding RNA GUSBP11 is abnormally expressed in patients with periodontitis, but the specific mechanism remains to be investigated. The purpose of this study was to explore the role of GUSBP11/miR-185-5p in chronic periodontitis (CP) and its potential mechanism, so as to provide a basis for elucidating the pathogenesis of CP.
Patients And Methods: The expression trends of GUSBP11 and miR-185-5p in gingival crevicular fluid of CP patients and control group were analyzed by RT-qPCR.
Front Vet Sci
January 2025
Department of Veterinary Surgery, College of Veterinary Medicine and BK21 Plus Project Team, Chonnam National University, Gwangju, Republic of Korea.
Introduction: Periodontal disease is one of the most common oral diseases in dogs and humans. It starts with gingivitis, a reversible condition, and progresses to an irreversible condition, periodontitis. Unlike humans, the etiology of periodontal disease in dogs has not been widely studied.
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