Munerah BinShabaib1, Shatha Subhi ALHarthi2, Zohaib Akram3, Junad Khan4, Irfan Rahman5, Georgios E Romanos6, Fawad Javed6. 1. Department of Periodontology, College of Dentistry, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia. Electronic address: dr.munirah.ss@gmail.com. 2. Department of Periodontology, College of Dentistry, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia. 3. Department of Periodontology, Faculty of Dentistry, Ziauddin University, Karachi, Pakistan. 4. Department of Orofacial Pain, Eastman Institute for Oral Health, University of Rochester, NY, USA. 5. Department of Environmental Medicine, School of Medicine and Dentistry, University of Rochester, NY, USA. 6. Laboratory for Periodontal-, Implant-, Phototherapy (LA-PIP), School of Dental Medicine, Stony Brook University, Stony Brook, NY, USA; Department of Periodontology, Stony Brook University, Stony Brook, NY, USA.
Abstract
OBJECTIVE: There are no studies that have compared the clinical (plaque index [PI], bleeding on probing [BOP], probing depth [PD], clinical attachment loss [AL] and number of missing teeth [MT]) and radiographic (marginal bone loss [MBL]) periodontal parameters and gingival crevicular fluid (GCF) levels of proinflammatory cytokines among cigarette-smokers and individuals using electronic-cigarettes. The aim was to compare the clinical periodontal status and gingival crevicular fluid (GCF) cytokine profile among cigarette-smokers (Group-1), electronic-cigarette users (Group-2) and never-smokers (Group-3). METHODS: Demographic data including age, gender, duration and reason for smoking and vaping and daily frequency and duration of smoking and vaping was collected using a questionnaire. Clinical (PI, BOP, PD and clinical AL) and radiographic (MBL) periodontal parameters were recorded. The volume of collected GCF was determined and levels of interleukin (IL) 1β, IL-6, tumour-necrosis-factor-alpha (TNF-α), matrix metalloproteinase (MMP)-8 and interferon-gamma (IFN-γ) were investigated. RESULTS: Forty-six cigarette-smokers, 44 electronic-cigarette users and 45 never-smokers were included in groups 1-3, respectively. Mean scores of PI (P < 0.05), PD (P < 0.05) and clinical AL (P < 0.05) were significantly higher among individuals in Group-1 than Group-3. Compared with groups 1 (P < 0.05) and 2 (P < 0.05), BOP was more often manifested among patients in Group-3. Compared with Group-3, MBL was significantly higher in groups 1 (P < 0.01) and 2 (P < 0.01). GCF volume was significantly higher in Group-1 compared with groups 2 and 3. The concentrations of IL-1β, IL-6, IFN-γ, TNF-α and MMP-8 were significantly higher in the GCF samples of individuals in Group-1 (P < 0.05) than groups 2 and 3. CONCLUSION: Periodontal status is poorer and GCF levels of proinflammatory cytokines are higher in cigarette-smokers compared with electronic-cigarette smokers and never-smokers. However, the probability of increased periodontal inflammation and GCF proinflammatory cytokine levels in electronic-cigarette users than never-smokers cannot be annulled.
OBJECTIVE: There are no studies that have compared the clinical (plaque index [PI], bleeding on probing [BOP], probing depth [PD], clinical attachment loss [AL] and number of missing teeth [MT]) and radiographic (marginal bone loss [MBL]) periodontal parameters and gingival crevicular fluid (GCF) levels of proinflammatory cytokines among cigarette-smokers and individuals using electronic-cigarettes. The aim was to compare the clinical periodontal status and gingival crevicular fluid (GCF) cytokine profile among cigarette-smokers (Group-1), electronic-cigarette users (Group-2) and never-smokers (Group-3). METHODS: Demographic data including age, gender, duration and reason for smoking and vaping and daily frequency and duration of smoking and vaping was collected using a questionnaire. Clinical (PI, BOP, PD and clinical AL) and radiographic (MBL) periodontal parameters were recorded. The volume of collected GCF was determined and levels of interleukin (IL) 1β, IL-6, tumour-necrosis-factor-alpha (TNF-α), matrix metalloproteinase (MMP)-8 and interferon-gamma (IFN-γ) were investigated. RESULTS: Forty-six cigarette-smokers, 44 electronic-cigarette users and 45 never-smokers were included in groups 1-3, respectively. Mean scores of PI (P < 0.05), PD (P < 0.05) and clinical AL (P < 0.05) were significantly higher among individuals in Group-1 than Group-3. Compared with groups 1 (P < 0.05) and 2 (P < 0.05), BOP was more often manifested among patients in Group-3. Compared with Group-3, MBL was significantly higher in groups 1 (P < 0.01) and 2 (P < 0.01). GCF volume was significantly higher in Group-1 compared with groups 2 and 3. The concentrations of IL-1β, IL-6, IFN-γ, TNF-α and MMP-8 were significantly higher in the GCF samples of individuals in Group-1 (P < 0.05) than groups 2 and 3. CONCLUSION: Periodontal status is poorer and GCF levels of proinflammatory cytokines are higher in cigarette-smokers compared with electronic-cigarette smokers and never-smokers. However, the probability of increased periodontal inflammation and GCF proinflammatory cytokine levels in electronic-cigarette users than never-smokers cannot be annulled.
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