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Establishment of a Quantitative Method for the Extraction of Nicotine and Cotinine in Gingival Tissue and Relationship Between Gingival Intoxication With Conventional Smoking Biomarkers: A Pilot Study.
Clin Exp Dent Res
December 2024
Laboratory of Clinical, Forensic, Industrial and Environmental Toxicology, University Hospital of Liège, Liège, Belgium.
Objectives: Smoking is considered a major risk factor for periodontitis genesis and progression. In clinical studies, specific indicators have been used to characterize the smoking status of the patient as the number of cigarettes consumed (NCC), the pack-years (PY), or Fagerström Test for Nicotine Dependence (FTND). However, available literature is missing on the relationship between cotinine gingival intoxication and smoking indicators.
View Article and Find Full Text PDFEffects of combustible cigarettes and electronic nicotine delivery systems on the regenerative properties of mesenchymal stem cells derived from periodontal ligament (PDL-MSCs).
Histol Histopathol
November 2024
Centar for Harm Reduction of Biological and Chemical Hazards, Department of Genetics, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia.
Introduction: Periodontal ligament-derived mesenchymal stem cells (PDL-MSCs) are promising cells with crucial roles in maintaining and repairing periodontal tissue. However, their regenerative capacity can be influenced by various factors, including cigarette smoke and electronic nicotine delivery system (ENDS) aerosols. Smoking and vaping can impair their regenerative potential, and even though ENDS are perceived as safer tobacco products, there is a lack of evidence to guarantee this assumption.
View Article and Find Full Text PDFMdivi-1 alleviates nicotine-induced human periodontal ligament cells injury by inhibiting mitochondrial fission and dysfunction through the JNK/Drp1 pathway.
Ecotoxicol Environ Saf
December 2024
Department of Periodontics, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China. Electronic address:
Background: Nicotine, a major component of tobacco, is implicated in the pathogenesis of periodontitis. However, the exact mechanisms through which nicotine exerts its harmful effects remain incompletely understood. This study investigates the impact of nicotine-induced mitochondrial fission on human periodontal ligament cells (hPDLCs).
View Article and Find Full Text PDFHypoxic Responses in Periodontal Tissues: Influence of Smoking and Periodontitis.
J Clin Periodontol
February 2025
Department of Periodontology, Faculty of Dentistry, Gazi University, Ankara, Turkey.
Aim: This study aimed to investigate the hypoxic changes in periodontal tissues resulting from smoking and periodontitis by assessing levels of hypoxia-inducible factors (HIF-1α, HIF-2α, HIF-3α) and vascular endothelial growth factor (VEGF) in gingival crevicular fluid (GCF).
Materials And Methods: The study comprised 22 periodontally healthy non-smokers (Group H), 22 periodontally healthy smokers (Group HS), 22 non-smokers with periodontitis (Group P) and 22 smokers with periodontitis (Group PS). Clinical periodontal parameters were documented, and GCF samples were collected and analysed using enzyme-linked immunosorbent assay (ELISA).
Peri-implant clinical profile and subgingival yeasts carriage among cigarette-smokers with peri-implant mucositis.
BMC Oral Health
October 2024
Department of Preventive Dental Sciences, College of Dentistry, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia.
Background: The present observational clinical investigation is based on the hypothesis that subgingival yeast carriage (SYC) is higher in cigarette-smokers with peri-implant mucositis (PM) than non-smokers with and without PM.
Objective: The aim was to assess peri-implant clinical profile and SYC among cigarette-smokers with PM.
Methodology: Participants were divided into four groups: Group-1-Cigarette-smokers with PM; Group-2-Cigarette-smokers without PM; Group-3-Non-smokers with PM; and Group-4-Non-smokers without PM.
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