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Bach L, Ram A, Ijaz UZ, Evans TJ, Haydon DT, Lindström J. The Effects of Smoking on Human Pharynx Microbiota Composition and Stability. Microbiol Spectr 2023; 11:e0216621. [PMID: 36786634 PMCID: PMC10101099 DOI: 10.1128/spectrum.02166-21] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 01/16/2023] [Indexed: 02/15/2023] Open
Abstract
The oral microbiota is essential to the health of the host, yet little is known about how it responds to disturbances. We examined the oropharyngeal microbiota of 30 individuals over 40 weeks. As the oropharynx is an important gateway to pathogens, and as smoking is associated with increased incidence and severity of respiratory infections, we compared the microbiota of smokers and nonsmokers to shed light on its potential for facilitating infections. We hypothesized that decreased species diversity, decreased community stability, or increased differences in community structure could facilitate invading pathogens. We found that smoking is associated with reduced alpha diversity, greater differences in community structure, and increased environmental filtering. The effects of short-term perturbations (antibiotic use and participants exhibiting cold symptoms) were also investigated. Antibiotic use had a negative effect on alpha diversity, irrespective of smoking status, and both antibiotic use and cold symptoms were associated with highly unique bacterial communities. A stability analysis of models built from the data indicated that there were no differences in local or global stability in the microbial communities of smokers, compared to nonsmokers, and that their microbiota are equally resistant to species invasions. Results from these models suggest that smoker microbiota are perturbed but characterized by alternative stable states that are as stable and invasion-resistant as are the microbiota of nonsmokers. Smoking is unlikely to increase the risk of infectious disease through the altered composition and ecological function of the microbiota; this is more likely due to the effects of smoking on the local and systemic immune system. IMPORTANCE Smoking is associated with an increased risk of respiratory infections. Hypothetically, the altered community diversity of smokers' pharyngeal microbiota, together with changes in their ecological stability properties, could facilitate their invasion by pathogens. To address this question, we analyzed longitudinal microbiota data of baseline healthy individuals who were either smokers or nonsmokers. While the results indicate reduced biodiversity and increased species turnover in the smokers' pharyngeal microbiota, their ecological stability properties were not different from those of the microbiota of nonsmokers, implying, in ecological terms, that the smokers' microbial communities are not less resistant to invasions. Therefore, the study suggests that the increased propensity of respiratory infections that is seen in smokers is more likely associated with changes in the local and systemic immune system than with ecological changes in the microbial communities.
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Affiliation(s)
- Lydia Bach
- School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, United Kingdom
| | - Asha Ram
- School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, United Kingdom
| | - Umer Z. Ijaz
- School of Science and Engineering, University of Glasgow, United Kingdom
| | - Thomas J. Evans
- School of Infection and Immunity, Glasgow Biomedical Research Centre, University of Glasgow, United Kingdom
| | - Daniel T. Haydon
- School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, United Kingdom
| | - Jan Lindström
- School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, United Kingdom
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Apatzidou DA. The role of cigarette smoking in periodontal disease and treatment outcomes of dental implant therapy. Periodontol 2000 2022; 90:45-61. [PMID: 35950749 DOI: 10.1111/prd.12449] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Tobacco smoking has been implicated in periodontal pathology through various mechanisms, including perturbations of the inflammatory and host responses to putative periodontal pathogens, alterations in the subgingival microbial communities, and a compromised healing potential of the tissues leading to imbalance of tissue homeostasis. This review provides the evidence for the relationship between cigarette smoking and periodontal disease in an attempt to explain possible mechanisms of how tobacco smoking may exert its negative effects on the periodontal tissues via systemic and localized pathways. Early and more recent studies explore cigarette smoking-induced changes in periodontal clinical indices; in subgingival microbial flora by employing traditional detection methods for selected microorganisms, in addition to modern techniques such as deep sequencing and bioinformatics analyses that are able to fully characterize the microbial communities; and in inflammatory and immune responses critically appraising study limitations and differences in study protocol designs. Periodontal treatment outcomes and implant therapy outcomes are reviewed in an attempt to shed light on possible mechanisms for the inferior treatment outcome noted in smokers. The potential harmful effects of passive smoking are also reviewed, providing evidence for the advantages of smoking cessation. Quitting cigarette smoking should be recommended by the dentist, and effort should be made to inform smokers about the negative effects of smoking on the periodontal status and implant therapy outcomes.
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Affiliation(s)
- Danae Anastasia Apatzidou
- Department of Preventive Dentistry, Periodontology and Implant Biology, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki (AUTh), Thessaloniki, Greece
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Sanmark E, Wikstèn J, Välimaa H, Blomgren K. Smoking or poor oral hygiene do not predispose to peritonsillar abscesses via changes in oral flora. Acta Otolaryngol 2019; 139:798-802. [PMID: 31240981 DOI: 10.1080/00016489.2019.1631479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Aim: The purpose of this prospective study was to determine if there is a difference in number and distribution of salivary bacteria between patients with tonsillar infection and healthy volunteers. Background: The etiology of peritonsillar abscess (PTA) is unclear. Smoking, periodontal disease, and infection of minor salivary glands have been suggested as predisposing factors for PTA. Material and methods: Patients with acute tonsillitis (AT) (n = 54), peritonsillitis (PT) (n = 36), PTA (n = 58), and healthy volunteers (n = 52) were prospectively recruited and evaluated. Saliva bacteria were analyzed with flow cytometry. Patients and their treating physicians completed a questionnaire about patients' current disease, smoking habits, alcohol consumption, and oral health. Results: There were no differences in the total number of saliva bacteria between patients with acute throat infection and healthy volunteers (p = .104) or between AT, PT, and PTA patients (p = .273). Smoking habits, alcohol consumption, oral hygiene, or prior antibiotics had no effect on total amount of salivary bacteria in patients with acute throat infection. Conclusions: The effects of smoking on salivary bacteria do not seem to be the mechanism that promotes development of PTA in smokers.
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Affiliation(s)
- Enni Sanmark
- Department of Otorhinolaryngology – Head and Neck Surgery, Helsinki University Hospital, Helsinki, Finland
| | - Johanna Wikstèn
- Department of Otorhinolaryngology – Head and Neck Surgery, Helsinki University Hospital, Helsinki, Finland
| | - Hannamari Välimaa
- Department of Virology, University of Helsinki, Helsinki, Finland
- Department of Oral and Maxillofacial Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Karin Blomgren
- Department of Otorhinolaryngology – Head and Neck Surgery, Helsinki University Hospital, Helsinki, Finland
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Ryder MI, Couch ET, Chaffee BW. Personalized periodontal treatment for the tobacco- and alcohol-using patient. Periodontol 2000 2018; 78:30-46. [PMID: 30198132 PMCID: PMC6132065 DOI: 10.1111/prd.12229] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The use of various forms of tobacco is one of the most important preventable risk factors for the incidence and progression of periodontal disease. Tobacco use negatively affects treatment outcomes for both periodontal diseases and conditions, and for dental implants. Tobacco-cessation programs can mitigate these adverse dental treatment outcomes and may be the most effective component of a personalized periodontal treatment approach. In addition, heavy alcohol consumption may exacerbate the adverse effects of tobacco use. In this review, the microbiology, host/inflammatory responses and genetic characteristics of the tobacco-using patient are presented as a framework to aid the practitioner in developing personalized treatment strategies for these patients. These personalized approaches can be used for patients who use a variety of tobacco products, including cigarettes, cigars, pipes, smokeless tobacco products, e-cigarettes and other tobacco forms, as well as patients who consume large amounts of alcohol. In addition, principles for developing personalized tobacco-cessation programs, using both traditional and newer motivational and pharmacological approaches, are presented.
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Affiliation(s)
- Mark I Ryder
- Department of Orofacial Sciences, School of Dentistry, University of California, San Francisco, CA, USA
| | - Elizabeth T Couch
- Department or Preventive and Restorative Sciences, School of Dentistry, University of California, San Francisco, CA, USA
| | - Benjamin W Chaffee
- Department or Preventive and Restorative Sciences, School of Dentistry, University of California, San Francisco, CA, USA
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Zoizner R, Arbel Y, Yavnai N, Becker T, Birnboim-Blau G. Effect of orthodontic treatment and comorbidity risk factors on interdental alveolar crest level: A radiographic evaluation. Am J Orthod Dentofacial Orthop 2018; 154:375-381. [PMID: 30173840 DOI: 10.1016/j.ajodo.2017.12.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 12/01/2017] [Accepted: 12/01/2017] [Indexed: 10/28/2022]
Abstract
INTRODUCTION Alveolar bone loss is regarded as a potential adverse event during orthodontic treatment, especially in adults. The purposes of this study were to evaluate the prevalence and severity of interdental alveolar crest height loss in adult orthodontic patients compared with an untreated control group and to identify comorbidity risk factors for such bone loss (high BMI score, high blood pressure, high cholesterol levels, and smoking). METHODS Standardized bitewing radiographs of patients' buccal segments were taken before and after treatment of 34 consecutive adults treated in an orthodontic clinic. The control group included 29 patients from the operative dental clinic matched according to age and sex. Mean ages of the participants before treatment were 35.7 ± 6.7 and 35.6 ± 7.3 years for the control and treatment groups, respectively. Before orthodontic treatment, the patients were evaluated, treated as needed, and approved by a periodontist. They were periodontically healthy before treatment. Interdental alveolar crest height loss was calculated by subtracting the distance on a bitewing x-ray from the cementoenamel junction to the interdental alveolar crest at each interproximal tooth surface from the mesial aspect of the first premolar to the distal aspect of the second molar (8 sites per quadrant). Changes in interdental alveolar crest height were calculated by subtracting the cementoenamel junction-interdental alveolar crest distance before treatment from the corresponding distance after treatment. RESULTS The mean individual bone losses of all interproximal surfaces were 0.130 ± 0.192 and 0.072 ± 0.280 mm in the treatment and control groups, respectively. These differences did not reach statistical significance (P = 0.353). Twenty-two patients (65%) from the treatment group and 10 patients (34%) from the control group had an increase in the cementoenamel junction-interdental alveolar crest distance of more than 1 mm in at least 1 site, with borderline significance between the groups (P = 0.079). Notably, no association was observed between bone loss with any comorbidity factor. CONCLUSIONS The results of this study correspond to the conventional understanding in the orthodontic and periodontal literature that orthodontic tooth movement per se does not cause attachment loss. However, orthodontists should always be aware of the possibility of periodontal deterioration during orthodontic treatment. Therefore, comprehensive periodontal examination is necessary during orthodontic treatment, especially in adults.
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Affiliation(s)
- Ronen Zoizner
- Department of Orthodontics, Medical Corps, Israel Defense Forces, Ramat Gan, Israel.
| | - Yael Arbel
- Department of Periodontology, Medical Corps, Israel Defense Forces, Ramat Gan, Israel
| | - Nirit Yavnai
- Academy and Research Branch, Medical Corps, Israel Defense Forces, Ramat Gan, Israel
| | - Tal Becker
- Department of Endodontology, Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Galit Birnboim-Blau
- Department of Orthodontics, Medical Corps, Israel Defense Forces, Ramat Gan, Israel
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Wagenknecht DR, BalHaddad AA, Gregory RL. Effects of Nicotine on Oral Microorganisms, Human Tissues, and the Interactions between Them. ACTA ACUST UNITED AC 2018. [DOI: 10.1007/s40496-018-0173-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Joaquim CR, Miranda TS, Marins LM, Silva HDP, Feres M, Figueiredo LC, Duarte PM. The combined and individual impact of diabetes and smoking on key subgingival periodontal pathogens in patients with chronic periodontitis. J Periodontal Res 2017; 53:315-323. [PMID: 29110296 DOI: 10.1111/jre.12516] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/25/2017] [Indexed: 02/06/2023]
Abstract
BACKGROUND AND OBJECTIVE Comprehension of the similarities and differences in the composition of the subgingival microbiota of patients with diabetes mellitus (DM), smokers or smokers with DM is an important step in developing therapies specific for these groups at risk for periodontitis. Therefore, the aim of this study was to compare the combined and individual effects of DM and smoking on the levels and prevalence of key subgingival periodontal pathogens in patients with chronic periodontitis. MATERIAL AND METHODS One hundred patients with generalized chronic periodontitis were allocated into one of the following groups: DM (n = 25, non-smokers with type 2 DM); S (n = 25, non-diabetic smokers); SDM (n = 25, smokers with type 2 DM); and control (n = 25, non-diabetic non-smokers). Two subgingival biofilm samples from healthy sites (probing depth and clinical attachment level ≤3 mm and no bleeding) and 2 from diseased sites (probing depth and clinical attachment level ≥5 mm and bleeding on probing) were analyzed by quantitative polymerase chain reaction for Porphyromonas gingivalis, Tannerella forsythia, Treponema denticola, Eubacterium nodatum, Parvimonas micra, Fusobacterium nucleatum ssp. and Prevotella intermedia. RESULTS There were no differences among groups in the mean counts of the bacterial species studied, considering all sampled sites (healthy plus diseased sites). There were also no differences among groups regarding the prevalence of any bacteria species in healthy and diseased sites (P > .05). The mean P. micra count was significantly higher in the healthy sites of both smoking groups, than in those of the control group (P < .05). CONCLUSION The subgingival levels and prevalence of the bacterial species studied are not significantly different in subjects with chronic periodontitis presenting DM, smokers or smokers with DM. In addition, DM and smoking, jointly and individually, do not considerably affect the subgingival levels of target periodontal pathogens in patients with chronic periodontitis.
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Affiliation(s)
- C R Joaquim
- Department of Periodontology, Dental Research Division, Guarulhos University, São Paulo, Brazil
| | - T S Miranda
- Department of Periodontology, Dental Research Division, Guarulhos University, São Paulo, Brazil
| | - L M Marins
- Department of Periodontology, Dental Research Division, Guarulhos University, São Paulo, Brazil
| | - H D P Silva
- Department of Periodontology, Dental Research Division, Guarulhos University, São Paulo, Brazil
| | - M Feres
- Department of Periodontology, Dental Research Division, Guarulhos University, São Paulo, Brazil
| | - L C Figueiredo
- Department of Periodontology, Dental Research Division, Guarulhos University, São Paulo, Brazil
| | - P M Duarte
- Department of Periodontology, Dental Research Division, Guarulhos University, São Paulo, Brazil
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Coretti L, Cuomo M, Florio E, Palumbo D, Keller S, Pero R, Chiariotti L, Lembo F, Cafiero C. Subgingival dysbiosis in smoker and non‑smoker patients with chronic periodontitis. Mol Med Rep 2017; 15:2007-2014. [PMID: 28260061 PMCID: PMC5364964 DOI: 10.3892/mmr.2017.6269] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Accepted: 12/12/2016] [Indexed: 01/28/2023] Open
Abstract
Periodontitis is one of the most common oral inflammatory diseases, and results in connective tissue degradation and gradual tooth loss. It manifests with formation of periodontal pockets, in which anaerobic and Gram‑negative bacteria proliferate rapidly. Consequently, alteration of the subgingival microbiota is considered the primary etiologic agent of periodontitis. Previous studies have reported that smokers are at increased risk of periodontal disease, in both prevalence and severity, indicating that smoking is a risk factor for the onset and progression of the pathology. In the present study, 16S rRNA sequencing was employed to assess the subgingival microbiota in 6 smoker patients with chronic periodontitis, 6 non‑smoker patients with chronic periodontitis and 8 healthy controls. The results demonstrated significant alterations in the microbial structure of periodontitis patients. High relative abundance of Parvimonans, Desulfubulbus, Paludibacter, Haemophilus, and Sphaerochaeta genera characterized subgingival microbiota of periodontitis patients, both smokers and non‑smokers. Due to the high precision and sensitivity of the 16S rRNA sequencing method, analysis for low‑abundant genera (including Pedobacter, Granulicatella, Paracoccus, Atopobium, Bifidobacterium, Coprococcus, Oridobacteriu, Peptococcus, Oscillospira and Akkermansia) was feasible, and revealed novel phylotypes associated with periodontitis. Of note, a major microbial community alteration was evident in smoker patients, suggesting an association between smoking and severity of subgingival dysbiosis. The present study confirmed that chronic periodontitis is a polymicrobial disease where changes in the equilibrium of subgingival microbiota contribute to severity of pathology.
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Affiliation(s)
- Lorena Coretti
- Institute of Experimental Endocrinology and Oncology, National Research Council, I-80131 Naples, Italy
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, I-80131 Naples, Italy
| | - Mariella Cuomo
- Institute of Experimental Endocrinology and Oncology, National Research Council, I-80131 Naples, Italy
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, I-80131 Naples, Italy
| | - Ermanno Florio
- Institute of Experimental Endocrinology and Oncology, National Research Council, I-80131 Naples, Italy
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, I-80131 Naples, Italy
| | - Domenico Palumbo
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, I-80131 Naples, Italy
| | - Simona Keller
- Institute of Experimental Endocrinology and Oncology, National Research Council, I-80131 Naples, Italy
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, I-80131 Naples, Italy
| | - Raffaela Pero
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, I-80131 Naples, Italy
| | - Lorenzo Chiariotti
- Institute of Experimental Endocrinology and Oncology, National Research Council, I-80131 Naples, Italy
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, I-80131 Naples, Italy
| | - Francesca Lembo
- Department of Pharmacy, University of Naples Federico II, I-80131 Naples, Italy
| | - Carlo Cafiero
- Department of Neuroscience, Reproductive Sciences and Dentistry, University of Naples Federico II, I-80131 Naples, Italy
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Johannsen A, Susin C, Gustafsson A. Smoking and inflammation: evidence for a synergistic role in chronic disease. Periodontol 2000 2015; 64:111-26. [PMID: 24320959 DOI: 10.1111/j.1600-0757.2012.00456.x] [Citation(s) in RCA: 131] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Tobacco smoking is the most important preventable risk factor for periodontitis; however, the underlying biological mechanisms responsible for the detrimental effects of smoking on periodontal health remain largely unclear. It is also well established that smoking has a negative impact on several inflammatory diseases, including rheumatoid arthritis, multiple sclerosis and inflammatory bowel disease. The aim of this paper was to review smoking-related changes in local and systemic host responses with a focus on cellular and molecular effects that could explain a hyperinflammatory response leading to periodontal destruction. Biological mechanisms that may be common to periodontal disease and other chronic inflammatory diseases were also explored, together with gene-smoking interactions. An epidemiologic perspective on the burden of smoking on periodontal health and the potential for smoking cessation is also presented. Tobacco smoking seems to induce changes ranging from decreased leukocyte chemotaxis to decreased production of immunoglobulins. Smoking also seems to cause a stronger inflammatory reaction with an increased release of potentially tissue-destructive substances (e.g. reactive oxygen species, collagenase, serine proteases and proinflammatory cytokines). These findings support a hypothesis that periodontitis is a hyperinflammatory condition rather than a hypo-inflammatory condition.
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Ata-Ali J, Flichy-Fernández AJ, Alegre-Domingo T, Ata-Ali F, Peñarrocha-Diago M. Impact of heavy smoking on the clinical, microbiological and immunological parameters of patients with dental implants: a prospective cross-sectional study. ACTA ACUST UNITED AC 2015; 7:401-409. [DOI: 10.1111/jicd.12176] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2014] [Accepted: 05/22/2015] [Indexed: 11/30/2022]
Affiliation(s)
- Javier Ata-Ali
- Department of Oral Surgery and Implantology; Valencia University; Valencia Spain
- Public Dental Health Service; Arnau de Vilanova Hospital; Valencia Spain
| | | | | | - Fadi Ata-Ali
- Department of Oral Surgery and Implantology; Valencia University; Valencia Spain
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Lages EJP, Costa FO, Cortelli SC, Cortelli JR, Cota LOM, Cyrino RM, Lages EMB, Nobre-Franco GC, Brito JAR, Gomez RS. Alcohol Consumption and Periodontitis: Quantification of Periodontal Pathogens and Cytokines. J Periodontol 2015; 86:1058-68. [PMID: 26062839 DOI: 10.1902/jop.2015.150087] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
BACKGROUND There are few studies on periodontal status related to microbiologic and immunologic profiles among individuals not or occasionally using alcohol and those with alcohol dependence. The aim of this study is to determine the effect of alcohol consumption on the levels of subgingival periodontal pathogens and proinflammatory cytokines (interleukin [IL]-1β and tumor necrosis factor [TNF]-α) in the gingival fluid among individuals with and without periodontitis. METHODS This observational analytic study includes 88 volunteers allocated in four groups (n = 22): individuals with alcohol dependence and periodontitis (ADP), individuals with alcohol dependence and without periodontitis (ADNP), individuals not or occasionally using alcohol with periodontitis (NAP), and individuals not or occasionally using alcohol without periodontitis (NANP). Levels of Porphyromonas gingivalis, Aggregatibacter actinomycetemcomitans, Prevotella intermedia, Eikenella corrodens, and Fusobacterium nucleatum were determined by real-time polymerase chain reaction on the basis of the subgingival biofilm, and IL-1β and TNF-α were quantified by enzyme-linked immunosorbent assay in gingival fluid samples. RESULTS Individuals with alcohol dependence showed worse periodontal status and higher levels of P. intermedia, E. corrodens, F. nucleatum, and IL-1β than non-users. No significant correlations between TNF-α and bacterial levels were observed. However, in the ADP group, higher levels of E. corrodens were correlated with higher levels of IL-1β. CONCLUSION A negative influence of alcohol consumption was observed on clinical and microbiologic periodontal parameters, as well as a slight influence on immunologic parameters, signaling the need for additional studies.
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Affiliation(s)
- Eugênio J P Lages
- Department of Dental Clinics, Oral Pathology, and Dental Surgery; Faculty of Dentistry; Federal University of Minas Gerais; Belo Horizonte, Brazil
| | - Fernando O Costa
- Department of Dental Clinics, Oral Pathology, and Dental Surgery; Faculty of Dentistry; Federal University of Minas Gerais; Belo Horizonte, Brazil
| | - Sheila C Cortelli
- Department of Dentistry, Periodontics Research Division, University of Taubaté, Taubaté, São Paulo, Brazil
| | - José R Cortelli
- Department of Dentistry, Periodontics Research Division, University of Taubaté, Taubaté, São Paulo, Brazil
| | - Luís O M Cota
- Department of Dental Clinics, Oral Pathology, and Dental Surgery; Faculty of Dentistry; Federal University of Minas Gerais; Belo Horizonte, Brazil
| | - Renata Magalhães Cyrino
- Department of Dental Clinics, Oral Pathology, and Dental Surgery; Faculty of Dentistry; Federal University of Minas Gerais; Belo Horizonte, Brazil
| | - Elizabeth M B Lages
- Department of Dental Clinics, Oral Pathology, and Dental Surgery; Faculty of Dentistry; Federal University of Minas Gerais; Belo Horizonte, Brazil
| | - Gilson C Nobre-Franco
- Department of Dentistry, Periodontics Research Division, University of Taubaté, Taubaté, São Paulo, Brazil
| | - João A R Brito
- Department of Dental Clinics, Oral Pathology, and Dental Surgery; Faculty of Dentistry; Federal University of Minas Gerais; Belo Horizonte, Brazil
| | - Ricardo S Gomez
- Department of Dental Clinics, Oral Pathology, and Dental Surgery; Faculty of Dentistry; Federal University of Minas Gerais; Belo Horizonte, Brazil
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Feres M, Bernal M, Matarazzo F, Faveri M, Duarte PM, Figueiredo LC. Subgingival bacterial recolonization after scaling and root planing in smokers with chronic periodontitis. Aust Dent J 2015; 60:225-32. [PMID: 25283721 DOI: 10.1111/adj.12225] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/20/2014] [Indexed: 11/28/2022]
Abstract
BACKGROUND The aim of this study was to compare subgingival bacterial recolonization patterns after scaling and root planing in current smokers and non-smokers. METHODS 15 smokers and 15 non-smokers with chronic periodontitis received scaling and root planing in six visits lasting one hour each, over a period of 21 days. Clinical monitoring was performed at baseline and 180 days, and microbiological monitoring was performed at baseline, immediately after scaling and root planing (Day 0) and at 42, 63 and 180 days post-therapy. Subgingival plaque samples were analysed by checkerboard DNA-DNA hybridization. RESULTS An improvement in clinical condition was observed for smokers and non-smokers; however, non-smokers showed a greater reduction in mean clinical attachment level in intermediate sites in comparison with smokers (p < 0.05). At Day 0, there was a significant reduction in the mean counts of the three pathogens from the red complex, Eubacterium nodatum and Parvimonas micra only in non-smokers (p < 0.05). There was a significant increase in the proportion of host-compatible species in non-smokers and smokers from baseline to 180 days post-therapy (p < 0.05). However, a significant decrease in the pathogenic species was observed only in non-smokers. CONCLUSIONS Smokers were more susceptible to the re-establishment of a pathogenic subgingival biofilm than non-smokers.
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Affiliation(s)
- M Feres
- Department of Periodontology, Dental Research Division, Guarulhos University, Guarulhos, São Paulo, Brazil
| | - Mac Bernal
- Department of Periodontology, Dental Research Division, Guarulhos University, Guarulhos, São Paulo, Brazil
| | - F Matarazzo
- Department of Periodontology, State University of Maringá, Maringá, Paraná, Brazil
| | - M Faveri
- Department of Periodontology, Dental Research Division, Guarulhos University, Guarulhos, São Paulo, Brazil
| | - P M Duarte
- Department of Periodontology, Dental Research Division, Guarulhos University, Guarulhos, São Paulo, Brazil
| | - L C Figueiredo
- Department of Periodontology, Dental Research Division, Guarulhos University, Guarulhos, São Paulo, Brazil
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Moon JH, Lee JH, Lee JY. Subgingival microbiome in smokers and non-smokers in Korean chronic periodontitis patients. Mol Oral Microbiol 2014; 30:227-41. [PMID: 25283067 DOI: 10.1111/omi.12086] [Citation(s) in RCA: 82] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/28/2014] [Indexed: 11/28/2022]
Abstract
Smoking is a major environmental factor associated with periodontal diseases. However, we still have a very limited understanding of the relationship between smoking and subgingival microflora in the global population. Here, we investigated the composition of subgingival bacterial communities from the pooled plaque samples of smokers and non-smokers, 134 samples in each group, in Korean patients with moderate chronic periodontitis using 16S rRNA gene-based pyrosequencing. A total of 17,927 reads were analyzed and classified into 12 phyla, 126 genera, and 394 species. Differences in bacterial communities between smokers and non-smokers were examined at all phylogenetic levels. The genera Fusobacterium, Fretibacterium, Streptococcus, Veillonella, Corynebacterium, TM7, and Filifactor were abundant in smokers. On the other hand, Prevotella, Campylobacter, Aggregatibacter, Veillonellaceae GQ422718, Haemophilus, and Prevotellaceae were less abundant in smokers. Among species-level taxa occupying > 1% of whole subgingival microbiome of smokers, higher abundance (≥ 2.0-fold compared to non-smokers) of seven species or operational taxonomic units (OTUs) was found: Fusobacterium nucleatum, Neisseria sicca, Neisseria oralis, Corynebacterium matruchotii, Veillonella dispar, Filifactor alocis, and Fretibacterium AY349371. On the other hand, lower abundance of 11 species or OTUs was found in smokers: Neisseria elongata, six Prevotella species or OTUs, Fusobacterium canifelinum, Aggregatibacter AM420165, Selenomonas OTU, and Veillonellaceae GU470897. Species richness and evenness were similar between the groups whereas diversity was greater in smokers than non-smokers. Collectively, the results of the present study indicate that differences exist in the subgingival bacterial community between smoker and non-smoker patients with chronic moderate periodontitis in Korea, suggesting that cigarette smoking considerably affects subgingival bacterial ecology.
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Affiliation(s)
- J-H Moon
- Department of Maxillofacial Biomedical Engineering, School of Dentistry, Institute of Oral Biology, Kyung Hee University, Seoul, Korea; Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, Korea
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Periodontal status in smokers and nonsmokers: a clinical, microbiological, and histopathological study. Int J Dent 2012; 2012:571590. [PMID: 22505904 PMCID: PMC3296295 DOI: 10.1155/2012/571590] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2011] [Accepted: 10/21/2011] [Indexed: 11/17/2022] Open
Abstract
A case-control study was done to assess the influence of smoking on clinical, microbiological, and histopathological parameters. Methods. Two hundred dentate male patients (100 smokers and 100 nonsmokers) ranging between 25 and 50 years were enrolled in the study. Periodontal parameters were recorded. Plaque samples were collected for microbial analysis for BANA test. Gingival biopsies were obtained from selected site for assessing histopathological changes. Results. Both groups showed almost similar plaque levels (P=0.258), but smokers had reduced gingival (0.62 ± 0.31) and bleeding indices (28.53 ± 17.52) and an increased calculus index (1.62 ± 0.36). Smokers had an increased probing depth of 4-7 mm (P=0.009) and overall increased CAL. No difference in microbiota was found between the two groups. Histopathologically smokers showed a decreased blood vessel density (8.84 ± 0.96) and inflammatory cells (52.00 ± 9.79). Conclusions. It is quite possible that many of the pathogenic mechanisms involved in tissue degradation in periodontitis in smokers could be quite different from those in nonsmokers.
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Lappin DF, Murad M, Sherrabeh S, Ramage G. Increased plasma levels epithelial cell-derived neutrophil-activating peptide 78/CXCL5 in periodontitis patients undergoing supportive therapy. J Clin Periodontol 2011; 38:887-93. [PMID: 21770992 DOI: 10.1111/j.1600-051x.2011.01757.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AIM To investigate the influence of cigarette smoking on plasma epithelial cell-derived neutrophil-activating peptide-78 (CXCL5/ENA-78) and interleukin-6 (IL-6) in supportive therapy periodontitis patients. MATERIALS AND METHODS Plasma concentrations of CXCL5/ENA-78 and IL-6 were evaluated in 167 systemically healthy subjects (54 smokers and 113 non-smokers) divided into four groups: non-smokers with periodontitis (n=90), smokers with periodontitis (n=49), healthy non smokers (n=23) and healthy smokers (n=5). RESULTS Clinical probing depth (CPD) of smokers with periodontitis were significantly greater than those of non-smoking patients (p<0.05). Although clinical attachment loss (CAL) and the number of deep sites affected were greater in the smokers with periodontitis, these differences were not significant. Periodontitis patients had significantly higher plasma IL-6 and ENA-78 than healthy subjects (p<0.05). There was no significant difference in IL-6 between smokers and non-smokers with periodontitis but CXCL5/ENA-78 concentrations were significantly greater in smokers with periodontitis (p=0.006). Plasma CXCL5/ENA-78 correlated with CPD, CAL and tobacco consumption (all p<0.05). CONCLUSION Plasma CXCL5/ENA-78 concentrations are a good systemic indicator of the inflammatory process and disease severity in subjects with periodontitis and in addition are potential indicator of inflammatory effects of cigarette smoking. Further studies are required to elucidate the biological mechanisms underlining this increase in CXCL5/ENA-78.
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Affiliation(s)
- D F Lappin
- Glasgow Dental School, School of Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, UK.
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Effect of teenage smoking on the prevalence of periodontal bacteria. Clin Oral Investig 2011; 16:571-80. [PMID: 21340603 DOI: 10.1007/s00784-011-0521-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2010] [Accepted: 02/02/2011] [Indexed: 01/09/2023]
Abstract
The aim of our study was to investigate how teenage smoking affects the prevalence of periodontal bacteria and periodontal health with the hypothesis that smoking increases the prevalence of the bacteria. Oral health of 264 adolescents (15- to 16-year-olds) was clinically examined, and their smoking history was recorded. The participants also filled in a structured questionnaire recording their general health and health habits. Pooled subgingival plaque samples were taken for polymerase chain reaction analysis of Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, Tannerella forsythia, Prevotella intermedia, Prevotella nigrescens, and Treponema denticola. The prevalence of P. intermedia (21% vs. 4%, p = 0.01) and T. forsythia and T. denticola (23% vs. 8%, p < 0.05, for both) was higher among female smokers than among non-smokers. T. forsythia and T. denticola were more often associated with bleeding on probing (29% vs. 12%; 25% vs. 10%, respectively) and deep pockets (25% vs. 15%; 23% vs. 10%, respectively) with smokers than non-smokers. Among the girls, a significant association was found between pack-years and the prevalence of P. nigrescens (p < 0.007). In both genders, A. actinomycetemcomitans and P. gingivalis were rare in this study. To conclude, periodontal bacteria were associated with higher periodontal index scores among all teenage smokers. Smoking girls harbored more frequently certain periodontal bacteria than non-smokers, but this was not seen in boys. Hence, our study hypothesis was only partly confirmed.
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Kubota M, Tanno-Nakanishi M, Yamada S, Okuda K, Ishihara K. Effect of smoking on subgingival microflora of patients with periodontitis in Japan. BMC Oral Health 2011; 11:1. [PMID: 21208407 PMCID: PMC3020163 DOI: 10.1186/1472-6831-11-1] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2010] [Accepted: 01/05/2011] [Indexed: 11/20/2022] Open
Abstract
Background Smoking is a risk factor for periodontitis. To clarify the contribution of smoking to periodontitis, it is essential to assess the relationship between smoking and the subgingival microflora. The aim of this study was to gain an insight into the influence of smoking on the microflora of Japanese patients with periodontitis. Methods Sixty-seven Japanese patients with chronic periodontitis (19 to 83 years old, 23 women and 44 men) were enrolled in the present study. They consisted of 30 smokers and 37 non-smokers. Periodontal parameters including probing pocket depth (PPD) and bleeding on probing (BOP) and oral hygiene status were recorded. Detection of Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, Prevotella intermedia, Tannerella forsythia, Fusobacterium nucleatum/periodonticum, Treponema denticola and Campylobacter rectus in subgingival plaque samples was performed by polymerase chain reaction. Association between the detection of periodontopathic bacteria and smoking status was analyzed by multiple logistic regression analysis and chi-square test. Results A statistically significant association was found between having a PPD ≥ 4 mm and detection of T. denticola, P. intermedia, T. forsythia, or C. rectus, with odds ratios ranging from 2.17 to 3.54. A significant association was noted between BOP and the detection of C. rectus or P. intermedia, and smoking, with odds ratios ranging from 1.99 to 5.62. Prevalence of C. rectus was higher in smokers than non-smokers, whereas that of A. actinomycetemcomitans was lower in smokers. Conclusions Within limits, the analysis of the subgingival microbial flora in smokers and non-smokers with chronic periodontitis suggests a relevant association between smoking and colonization by the specific periodontal pathogens including C. rectus.
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Affiliation(s)
- Michiya Kubota
- Oral Health Science Center, Tokyo Dental College, Chiba, Japan
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Özçaka Ö, Nalbantsoy A, Köse T, Buduneli N. Plasma osteoprotegerin levels are decreased in smoker chronic periodontitis patients. Aust Dent J 2010; 55:405-10. [DOI: 10.1111/j.1834-7819.2010.01261.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Özçaka Ö, Nalbantsoy A, Buduneli N. Salivary osteocalcin levels are decreased in smoker chronic periodontitis patients. Oral Dis 2010; 17:200-5. [DOI: 10.1111/j.1601-0825.2010.01721.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Abstract
INTRODUCTION Smoking is an independent risk factor for periodontal disease and tooth loss. STATE OF THE ART Smoking impairs inflammatory and immune responses to periodontal pathogens, and exerts both systemic and local effects. Periodontal disease is increased both in prevalence and severity in smokers. Smoking is a predisposing factor to acute necrotizing ulcerative gingivitis and is associated with an increased rate of periodontal disease in terms of pocket formation and attachment loss, as well as alveolar bone loss. Cigar, pipe, water-pipe and cannabis smoking have similar adverse effects on periodontal health as cigarette smoking. Passive smoking is also an independent periodontal disease risk factor. Smokeless tobacco is associated with localized periodontal disease. Smokers respond less favourably to both non-surgical and surgical treatments and have higher failure rates and complications following dental implantation. Smoking cessation may halt the disease progression and improve the outcome of periodontal treatment. CONCLUSION Smoking cessation counselling should be an integral part of periodontal therapy and prevention.
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Affiliation(s)
- M Underner
- Unité de Tabacologie, Service de Pneumologie, Pavillon René Beauchant, CHU la Milétrie, BP 577, 86021 Poitiers cedex.
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Leuckfeld I, Olsen I, Geiran O, Bjørtuft Ø, Paster BJ. Subgingival microflora in chronic obstructive pulmonary disease. MICROBIAL ECOLOGY IN HEALTH AND DISEASE 2009. [DOI: 10.3109/08910600903194412] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Inga Leuckfeld
- Institute of Oral Biology, Faculty of Dentistry, University of Oslo
- Division of Cardiac and Respiratory Medicine and Surgery, Oslo University Hospital-Rikshospitalet
| | - Ingar Olsen
- Institute of Oral Biology, Faculty of Dentistry, University of Oslo
| | - Odd Geiran
- Division of Cardiac and Respiratory Medicine and Surgery, Oslo University Hospital-Rikshospitalet
- Faculty Division Rikshospitalet, University of Oslo, Oslo, Norway
| | - Øystein Bjørtuft
- Division of Cardiac and Respiratory Medicine and Surgery, Oslo University Hospital-Rikshospitalet
- Faculty Division Rikshospitalet, University of Oslo, Oslo, Norway
| | - Bruce J. Paster
- Department of Molecular Genetics, Forsyth Institute
- Department of Oral Medicine, Infection and Immunity, Harvard School of Dental Medicine, Boston, MA, USA
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Buduneli N, Buduneli E, Kütükçüler N. Interleukin-17, RANKL, and osteoprotegerin levels in gingival crevicular fluid from smoking and non-smoking patients with chronic periodontitis during initial periodontal treatment. J Periodontol 2009; 80:1274-80. [PMID: 19656027 DOI: 10.1902/jop.2009.090106] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
BACKGROUND This study was performed to evaluate the effects of initial periodontal treatment on the gingival crevicular fluid (GCF) levels of interleukin (IL)-17, soluble receptor activator of nuclear factor-kappa B ligand (sRANKL), and osteoprotegerin (OPG) in smoking and non-smoking patients with chronic periodontitis. METHODS At baseline, GCF samples were obtained from 10 smoking and 10 non-smoking systemically healthy patients with chronic periodontitis. Initial periodontal treatment, consisting of motivation and instruction for daily plaque control and scaling and root planing (SRP), was performed. GCF sampling and clinical periodontal measurements were repeated 4 weeks after completion of SRP. The data were tested statistically by the Student t and Wilcoxon matched-pairs test and Spearman correlation analysis. RESULTS All clinical periodontal measurements had decreased significantly 4 weeks after SRP (P <0.001). GCF volume and the total amount and concentration of OPG decreased in smokers and non-smokers after SRP, whereas the IL-17 concentration increased (P <0.05). sRANKL levels did not differ between groups or with SRP (P >0.05). Significant correlations were found between baseline IL-17 and receptor activator of nuclear factor-kappa B ligand (RANKL) levels and between baseline papilla bleeding index and OPG levels (P <0.001 and P <0.05, respectively). CONCLUSIONS Neither smoking nor periodontal inflammation seemed to influence GCF RANKL levels in systemically healthy patients with chronic periodontitis. Smoking and non-smoking patients with chronic periodontitis were not affected differently by the initial periodontal treatment with regard to GCF IL-17 and OPG concentrations.
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Affiliation(s)
- Nurcan Buduneli
- Department of Periodontology, School of Dentistry, Ege University, Izmir, Turkey.
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Gürlek Ö, Lappin DF, Buduneli N. Effects of smoking on salivary C-telopeptide pyridinoline cross-links of type I collagen and osteocalcin levels. Arch Oral Biol 2009; 54:1099-104. [DOI: 10.1016/j.archoralbio.2009.09.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2009] [Revised: 09/14/2009] [Accepted: 09/26/2009] [Indexed: 10/20/2022]
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Affiliation(s)
- K-Y Zee
- Westmead Centre for Oral Health and Faculty of Dentistry, The University of Sydney, New South Wales, Sydney, Australia.
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Bagaitkar J, Demuth DR, Scott DA. Tobacco use increases susceptibility to bacterial infection. Tob Induc Dis 2008; 4:12. [PMID: 19094204 PMCID: PMC2628337 DOI: 10.1186/1617-9625-4-12] [Citation(s) in RCA: 177] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2008] [Accepted: 12/18/2008] [Indexed: 02/06/2023] Open
Abstract
Active smokers and those exposed to secondhand smoke are at increased risk of bacterial infection. Tobacco smoke exposure increases susceptibility to respiratory tract infections, including tuberculosis, pneumonia and Legionnaires disease; bacterial vaginosis and sexually transmitted diseases, such as chlamydia and gonorrhoea; Helicobacter pylori infection; periodontitis; meningitis; otitis media; and post-surgical and nosocomial infections. Tobacco smoke compromises the anti-bacterial function of leukocytes, including neutrophils, monocytes, T cells and B cells, providing a mechanistic explanation for increased infection risk. Further epidemiological, clinical and mechanistic research into this important area is warranted.
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Affiliation(s)
- Juhi Bagaitkar
- Department of Microbiology and Immunology, University of Louisville, Louisville, KY, USA.
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Buduneli N, Bıyıkoğlu B, Sherrabeh S, Lappin DF. Saliva concentrations of RANKL and osteoprotegerin in smokerversusnon-smoker chronic periodontitis patients. J Clin Periodontol 2008; 35:846-52. [DOI: 10.1111/j.1600-051x.2008.01310.x] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Khaira N, Palmer RM, Wilson RF, Scott DA, Wade WG. Periodontal Disease: Production of volatile sulphur compounds in diseased periodontal pockets is significantly increased in smokers. Oral Dis 2008; 6:371-5. [PMID: 11355269 DOI: 10.1111/j.1601-0825.2000.tb00129.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVE This study was undertaken in order to test the hypothesis that the consequences of tobacco smoking may include increased synthesis of toxic volatile sulphur compounds in diseased periodontal pockets. DESIGN A cross-sectional, parallel study comparing groups of smokers and non-smokers with periodontitis and the level of volatile sulphur compounds in the gingival sulci of these subjects. PATIENTS AND METHODS Levels of volatile sulphur compounds were measured in diseased periodontal sites of 12 smokers and 11 non-smokers using a portable sulphide monitor. Anaerobic and aerobic counts of the total cultivable subgingival microflora of both groups were also determined. RESULTS The percentage of sites per subject with high levels of sulphides (> or = 10 units) detected in moderate (4-6 mm) and deep (> or = 7 mm) periodontal pockets was found to be significantly higher in smokers, compared to non-smokers (P = 0.040 and P = 0.005, respectively). No significant difference in the microbiological parameters tested were observed between the two groups. CONCLUSIONS Increased production of volatile sulphur compounds may represent a further mechanism of increased susceptibility to periodontitis in smokers and also help to explain the reported association between smoking and halitosis.
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Affiliation(s)
- N Khaira
- Department of Periodontology and Preventive Dentistry, Guy's, King's and St Thomas' Dental Institute, King's College London, UK
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Kurtis B, Tüter G, Serdar M, Pinar S, Demirel I, Toyman U. GCF MMP-8 Levels in Smokers and Non-Smokers With Chronic Periodontitis Following Scaling and Root Planing Accompanied by Systemic Use of Flurbiprofen. J Periodontol 2007; 78:1954-61. [DOI: 10.1902/jop.2007.070149] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Shibli JA, Vitussi TRC, Garcia RV, Zenóbio EG, Ota-Tsuzuki C, Cassoni A, Piattelli A, d'Avila S. Implant Surface Analysis and Microbiologic Evaluation of Failed Implants Retrieved From Smokers. J ORAL IMPLANTOL 2007; 33:232-8. [PMID: 17912965 DOI: 10.1563/1548-1336(2007)33[232:isaame]2.0.co;2] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The aim of this study was to evaluate the microbiota and surface of failed titanium dental implants from 4 manufacturers. Twelve mobile dental implants were retrieved from 10 smokers after 3 to 10 years of functional loading. Before implant removal, microbial samples were taken and evaluated using polymerase chain reaction. After implant removal, analyses of the failed implant surfaces were performed using scanning electron microscopy and energy-dispersive spectrometer x-ray. Periodontal pathogens such as Aggregactibacter actinomycetemcomitans, Campylobacter rectus, Eikenella corrodens, Fusobacterium nucleatum, Porphyromonas gingivalis, Prevotella intermedia, Tannerella forsythia, and Treponema denticola were detected in all implants in different proportions. Surface analysis showed varying degrees of surface roughness between the samples and the presence of proteinaceous material, appearing mainly as dark stains. Foreign carbon, oxygen, sodium, calcium, aluminum, and silicon elements were also found. Although no material-related causes of implant failure were detected, several periodontal pathogens were identified independently of the surface topography or manufacturer.
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Affiliation(s)
- Jamil Awad Shibli
- Department of Periodontology, Dental Research Division, Guarulhos University, Guarulhos, SP, Brazil.
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Affiliation(s)
- Georgia K Johnson
- Department of Periodontics, University of Texas Health Sciences Center at San Antonio, USA
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Kamma JJ, Nakou M. Subgingival microflora in smokers with early onset periodontitis. Anaerobe 2007; 3:153-7. [PMID: 16887581 DOI: 10.1006/anae.1997.0095] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/1996] [Accepted: 04/15/1997] [Indexed: 11/22/2022]
Abstract
Cigarette smoking is a potent risk factor which has recently been associated with periodontal disease progression. The objective of this study was to detect the microbial profile of early onset periodontitis in smokers and compare it to that of non-smokers. The study population consisted of 50 systemically healthy individuals aged 25 to 38 years, exhibiting early onset periodontitis. 25 patients were smokers (> 20 cigarettes/day) and 25 non-smokers. Two pooled bacterial samples comprised of four periodontal sites with probing depth > 5 mm each, were collected from each individual. The samples were cultured aerobically and anaerobically for bacterial isolation using selective and non-selective media. Isolates were characterized to species level by conventional biochemical tests and various identification kits. The differences in bacterial counts using the Mann Whitney U test were statistically significant for Staphylococcus aureus, Campylobacter concisus, Eikenella corrodens, Escherichia coli, Bacteroides forsythus, Bacteroides gracilis, Campylobacter rectus, Porphyromonas gingivalis, Selenomonas sputigena and Candida albicans in smokers. Statistically significant differences for Peptostreptococcus micros, Actinomyces naeslundii, Eubacterium lentum and Capnocytophaga gingivalis were detected in non-smokers. The isolation of bacteria belonging to the exogenous flora like E. coli, C. albicans and S. aureus in smokers microflora underscores the importance of the host which is adversely affected by cigarette smoking.
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Affiliation(s)
- J J Kamma
- Department of Periodontology, School of Dental Medicine, University of Athens, Athens, Greece
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Kurtiş B, Tüter G, Serdar M, Pinar S, Demirel I, Toyman U. Gingival crevicular fluid prostaglandin E(2) and thiobarbituric acid reactive substance levels in smokers and non-smokers with chronic periodontitis following phase I periodontal therapy and adjunctive use of flurbiprofen. J Periodontol 2007; 78:104-11. [PMID: 17199546 DOI: 10.1902/jop.2007.060217] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND It has been established that smoking is an important risk factor for the initiation and progression of chronic periodontitis (CP). This study investigates the effects of phase I periodontal therapy and adjunctive flurbiprofen administration on prostaglandin E(2) (PGE(2)) and thiobarbituric acid reactive substance (TBARS) levels in gingival crevicular fluid (GCF) samples from smoker and non-smoker patients with CP. METHODS Twenty-one non-smoker and 21 smoker patients with CP were divided into four groups according to treatment modalities. Group 1 (non-smokers with CP) and group 3 (smokers with CP) patients received daily 100-mg flurbiprofen tablets in a 2 x 1 regimen for 10 days together with scaling and root planing (SRP). Patients in group 2 (non-smokers with CP) and group 4 (smokers with CP) received placebo tablets in a 2 x 1 regimen for 10 days together with SRP. Plaque index (PI), gingival index (GI), probing depth (PD), and clinical attachment level (CAL) measurements were recorded and GCF samples were collected at baseline and on day 10 of drug intake from each sampling area by a single examiner who was unaware of the treatment modality. Assays for GCF PGE(2) and TBARS were carried out by an enzyme-linked immunosorbent assay and fluorometric method, respectively. RESULTS All groups showed statistically significant reductions in PI and GI scores following the phase I periodontal treatment on day 10 (P <0.05), but no statistical differences were observed in PD and CAL scores after the therapy. In groups 1 and 2, the reduction of GCF PGE(2) and TBARS levels were not significant after the therapy compared to baseline levels. In group 3, GCF PGE(2) and TBARS levels exhibited a statistically significant decrease (P <0.05) after the therapy. Group 4 showed significant reductions (P <0.05) in GCF PGE(2) levels after the therapy. No statistically significant reductions were observed in group 4 with regard to GCF TBARS levels. When groups 1 and 3 were compared according to GCF TBARS levels after the therapy, a more statistically significant reduction was observed in group 3 (P = 0.001). CONCLUSION These results suggest that additional flurbiprofen administration may have more inhibitory effects on GCF levels of PGE(2) and TBARS in the groups of smokers compared to non-smokers with CP.
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Affiliation(s)
- Bülent Kurtiş
- Department of Periodontology, Faculty of Dentistry, Gazi University, Ankara, Turkey.
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Affiliation(s)
- Mark I Ryder
- Division of Periodontology, Department of Orofacial Sciences, School of Dentistry, University of California, San Francisco, CA, USA
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Erdemir EO, Erdemir A. The detection of salivary minerals in smokers and non-smokers with chronic periodontitis by the inductively coupled plasma-atomic emission spectrophotometry technique. J Periodontol 2006; 77:990-5. [PMID: 16734573 DOI: 10.1902/jop.2006.050202] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
BACKGROUND The purpose of this study was to evaluate the effect of smoking on the salivary minerals in subjects with chronic periodontitis by the inductively coupled plasma-atomic emission spectrophotometry (ICP-AES) technique. METHODS The study group included 24 subjects-12 smokers and 12 non-smokers-with chronic periodontitis. Clinical measurements and non-stimulated whole saliva were obtained, and the levels of five elements-sodium, potassium, calcium, magnesium, and phosphate-in each specimen were analyzed. RESULTS When the clinical parameters were compared between groups, only plaque index was significantly higher in smokers than non-smokers (P <0.05). The mean plaque index of smokers and non-smokers was 1.93 +/- 0.51 and 1.51 +/- 0.39, respectively. The results of this study showed that there were no significant differences between groups in the mineral content of saliva. In smokers, there were positive correlations between the levels of calcium, sodium, and magnesium and clinical attachment level. There was also a positive correlation between the level of phosphate and the percentage of bleeding on probing. In non-smokers, there was a negative correlation only between the mean level of sodium and plaque index (P <0.05). CONCLUSIONS The present study showed that no significant differences were found between the mineral content of saliva of smokers and non-smokers by the ICP-AES technique. It is a useful, fast, and sensitive technique compared to other techniques, and it can be advised for researchers while analyzing the mineral content of saliva.
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Affiliation(s)
- Ebru Olgun Erdemir
- Department of Periodontology, Faculty of Dentistry, Kirikkale University, Kirikkale, Turkey.
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Levin L, Baev V, Lev R, Stabholz A, Ashkenazi M. Aggressive Periodontitis Among Young Israeli Army Personnel. J Periodontol 2006; 77:1392-6. [PMID: 16881808 DOI: 10.1902/jop.2006.050323] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND The aim of this study was to assess the prevalence of aggressive periodontitis among young Israeli army recruits and to evaluate its association with smoking habits and ethnic origin. METHODS The study population consisted of 642 young army recruits (562 men [87.5%] and 80 women [12.5%]), aged 18 to 30 years (average: 19.6 +/- 1.6 years), who arrived at a military dental clinic for dental examinations between January and December 2004. Subjects filled out a questionnaire regarding their ethnic origin and family periodontal history, followed by radiographs and a clinical periodontal examination of four first molars and eight incisors. RESULTS Aggressive periodontitis was found in 5.9% of the subjects (4.3% localized and 1.6% generalized). At least one site with a probing depth > or =5 mm was found in 20.1% of the subjects. A radiographic distance between crestal bone height and the cemento-enamel junction >3 mm was found in 43 (6.7%) subjects. Current smokers (39.9%) (P = 0.03) and subjects of North African origin (P <0.0001) correlated with a high prevalence of aggressive periodontitis. CONCLUSION A relatively high prevalence of aggressive periodontitis was found in young Israeli army recruits, which was particularly associated with smoking and ethnic origin.
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Affiliation(s)
- Liran Levin
- Department of Oral Rehabilitation, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv, Israel.
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Kinane DF, Peterson M, Stathopoulou PG. Environmental and other modifying factors of the periodontal diseases. Periodontol 2000 2006; 40:107-19. [PMID: 16398688 DOI: 10.1111/j.1600-0757.2005.00136.x] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Denis F Kinane
- University of Louisville School of Dentistry, Kentucky, USA
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Apatzidou DA, Riggio MP, Kinane DF. Impact of smoking on the clinical, microbiological and immunological parameters of adult patients with periodontitis. J Clin Periodontol 2005; 32:973-83. [PMID: 16104962 DOI: 10.1111/j.1600-051x.2005.00788.x] [Citation(s) in RCA: 115] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVES The aim of the current study was to assess the impact of smoking on the clinical indices, the humoral immune response and the detection frequency of putative periodontal pathogens in patients with periodontitis cross-sectionally and following therapy. MATERIAL AND METHODS Clinical measurements, subgingival plaque samples, gingival crevicular fluid (GCF) and sera were collected from 40 untreated patients with moderate-to-advanced chronic periodontitis before and after treatment over a period of 6 months. The treatment consisted of the initial therapy of scaling and root planing. Smoking status was self-reported and was confirmed by cotinine enzyme inhibition assay (CEIA). Whole-mouth clinical measurements were recorded with a manual periodontal probe at baseline (BAS) and at 6 months (RAS). Selected-site analyses were performed on the deepest site in each quadrant before and after therapy and clinical indices were recorded with an electronic pressure-sensitive probe. GCF sample volume was quantified using the Periotron 6000. Polymerase chain reaction (PCR) was utilized to determine the presence of Porphyromonas gingivalis, Actinobacillus actinomycetemcomitans, Prevotella intermedia, Treponema denticola and Tanerella forsythensis in subgingival plaque. Enzyme-linked immunosorbent assay examined the systemic antibody titres to these bacteria, and thiocyanate disassociation determined the antibody avidity to these organisms. RESULTS At baseline, smokers showed significantly less gingival inflammation and lower GCF volume compared with non-smokers. After treatment, a compromised clinical outcome was noted for smokers in terms of pocket depth reduction and gain in attachment levels. No significant differences in the detection of putative periodontal pathogens in subgingival plaque existed between smokers and non-smokers. A consistent trend was noted in that smokers had lower sera immunoglobulin G antibody titres to these organisms before and after treatment (statistically significant for A. actinomycetemcomitans). This pattern was less clear when antibody avidities were considered, revealing only small differences, if any, between the two groups of patients. CONCLUSION Current data indicate that smokers with periodontal disease have a suppressed inflammatory response, a significantly less favourable clinical outcome and seem to have an altered host antibody response to antigenic challenge than non-smokers. In contrast, the subgingival microflora of smokers appears similar to that of non-smokers.
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Affiliation(s)
- D A Apatzidou
- Aristotle University of Thessaloniki, Dental School, Thessaloniki, Greece.
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Teughels W, Van Eldere J, van Steenberghe D, Cassiman JJ, Fives-Taylor P, Quirynen M. Influence of Nicotine and Cotinine on Epithelial Colonization by Periodontopathogens. J Periodontol 2005; 76:1315-22. [PMID: 16101364 DOI: 10.1902/jop.2005.76.8.1315] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Since smoking is an established risk factor for the development of periodontitis, the present study investigated whether nicotine and cotinine can make epithelial cells more prone to colonization by periodontopathogens. METHODS Primary epithelial cell mono-layers were inoculated with nicotine and cotinine prior to adhesion experiments with Actinobacillus actinomycetemcomitans and Porphyromonas gingivalis. The number of bacteria associated with cells inoculated or not with nicotine or cotinine were assessed by an indirect culture viability assay. The same experimental set-up was used for assessing HeLa cells exposed to cigarette smoke extract (CSE). RESULTS Primary epithelial cells inoculated with concentrations of nicotine and cotinine, found in smokers and non smokers, did not show significant differences (P>0.05) in colonization susceptibility to A. actinomycetemcomitans. When these concentrations were increased to 1 mg/ml, a significant (P<0.05) and species-specific effect of the colonization susceptibility of epithelial cells was observed: It increased for A. actinomycetemcomitans, while it decreased for P. gingivalis. For both species the effects were more pronounced for nicotine, although this was not statistically significant. The change in colonization susceptibility did not result from alterations of the bacterial viability due to nicotine or cotinine. Treatment of HeLa cells with CSE also led to a species-specific variation in colonization tendency; i.e., increased for A. actinomycetemcomitans (P<0.05), but not for P. gingivalis. CONCLUSIONS The susceptibility of epithelial cells to become colonized by either A. actinomycetemcomitans or P. gingivalis could be altered by nicotine, cotinine, or CSE in a time-dependent, species-specific manner. Whether these findings that support the hypothesis of an increased patient susceptibility for bacterial adhesion to epithelial cells in smokers are clinically relevant remains to be proven.
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Affiliation(s)
- Wim Teughels
- Department of Periodontology, Catholic University Leuven, Leuven, Belgium
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Natto S, Baljoon M, Dahlén G, Bergström J. Tobacco smoking and periodontal microflora in a Saudi Arabian population. J Clin Periodontol 2005; 32:549-55. [PMID: 15882210 DOI: 10.1111/j.1600-051x.2005.00710.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVES To explore the subgingival periodontal microflora in a Saudi Arabian population with a special focus on its relationship with various smoking habits. MATERIAL AND METHODS A total of 198 individuals in the age range 17-60 years were included in the study. 29% were water-pipe smokers, 18% cigarette smokers, 13% smokers of both water pipe and cigarettes (mixed smokers) and 40% non-smokers. For each individual, a subgingival plaque sample from the deepest site in each quadrant was obtained. The checkerboard DNA-DNA hybridization technology was used to determine the presence of Porphyromonas gingivalis, Prevotella intermedia, Prevotella nigrescens, Tannerella forsythensis, Actinobacillus actinomycetemcomitans, Fusobacterium nucleatum, Treponoma denticola, Peptostreptococcus micros, Campylobacter rectus, Eikenella corrodens, Selenomonas noxia and Streptococcus intermedius. Two cut-off levels for detection were used, score 1(10(5) bacteria) and score 3 (10(6) bacteria). RESULTS The prevalence of individuals positive for the different microorganisms at score 1 cut-off varied from 7% to 95%. At score 3 cut-off the prevalence varied from 0% to 30%. The depth of sample site was a key factor for detection. When the depth of sample site was taken into account, no statistically significant differences were observed between cigarette smokers, water-pipe smokers, and non-smokers with regard to occurrence of the microorganisms studied. CONCLUSIONS No major differences were observed between cigarette smokers, water-pipe smokers, and non-smokers regarding the occurrence of the periodontal microorganisms studied suggesting that this portion of the subgingival periodontal microflora is independent of tobacco smoking.
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Affiliation(s)
- Suzan Natto
- Institute of Odontology, Karolinska Institutet, Stockholm, Sweden.
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Buduneli N, Buduneli E, Kardeşler L, Lappin D, Kinane DF. Plasminogen activator system in smokers and non-smokers with and without periodontal disease. J Clin Periodontol 2005; 32:417-24. [PMID: 15811061 DOI: 10.1111/j.1600-051x.2005.00694.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND The present study assessed levels of plasminogen activator (PA) system proteins in gingival crevicular fluid (GCF) and serum of chronic gingivitis, chronic periodontitis patients and periodontally healthy subjects and evaluated how smoking influenced these levels. METHODS Twenty chronic gingivitis; 20 chronic periodontitis patients and 20 periodontally healthy volunteers were consecutively recruited according to the inclusion criteria so that exactly half of the subjects in each category were smokers. GCF samples from four sites together with serum samples were obtained from each subject. GCF levels of tissue type PA (t-PA), urokinase type PA (u-PA), PA inhibitor-1 (PAI-1) and PA inhibitor-2 (PAI-2) and serum concentrations of cotinine, u-PA and PAI-1 were analysed by enzyme-linked immunosorbent assay. RESULTS The only statistically significant difference between smokers and non-smokers was a lower GCF PAI-2 concentrations in healthy smokers compared with healthy non-smokers (p<0.01). Gingivitis and periodontitis patients had higher GCF concentrations of PAI-2 than healthy subjects (p<0.002 and p<0.02 respectively). The ratio of u-PA:PAI-1 and t-PA:PAI-1 were significantly higher in GCF of smokers with periodontitis compared with "healthy" smokers, whereas the ratio of t-PA:PAI-2 was significantly lower in smokers with periodontal disease (p<0.05). CONCLUSIONS GCF levels of the PA system proteins are increased in chronic gingivitis and periodontitis compared with healthy gingiva. Smoking had only subtle effects on the GCF PA system proteins with the exception of PAI-2, and the balance of activators and inhibitors. These findings suggest one mechanism whereby smoking may exert detrimental effects on the periodontal tissues.
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Affiliation(s)
- Nurcan Buduneli
- Department of Periodontology, School of Dentistry, Ege University, Izmir, Turkey.
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Darby IB, Hodge PJ, Riggio MP, Kinane DF. Clinical and microbiological effect of scaling and root planing in smoker and non-smoker chronic and aggressive periodontitis patients. J Clin Periodontol 2005; 32:200-6. [PMID: 15691352 DOI: 10.1111/j.1600-051x.2005.00644.x] [Citation(s) in RCA: 88] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVES To compare the effects of scaling and root planing (SRP) on clinical and microbiological parameters at selected sites in smoker and non-smoker chronic and generalized aggressive periodontitis patients. MATERIALS AND METHODS Clinical parameters including probing depth (PD), relative attachment level (RAL), and bleeding upon probing (BOP), and subgingival plaque samples were taken from four sites in 28 chronic periodontitis (CP) and 17 generalized aggressive periodontitis (GAgP) patients before and after SRP. Polymerase chain reaction assays were used to determine the presence of A. actinomycetemcomitans, Porphyromonas gingivalis, Tannerella forsythensis, Prevotella intermedia and Treponema denticola. RESULTS Both CP and GAgP non-smokers had significantly greater reduction in pocket depth (1.0+/-1.3 mm in CP smokers versus 1.7+/-1.4 mm in non-smokers, p=0.007 and 1.3+/-1.0 in GAgP smokers versus 2.4+/-1.2 mm in GAgP non-smokers, p<0.001) than respective non-smokers, with a significant decrease in Tannerella forsythensis in CP sites (smokers 25% increase and non-smokers 36.3% decrease, p<0.001) and Prevotella intermedia at GAgP sites (smokers 25% reduction versus 46.9% in non-smokers, p=0.028). CONCLUSION SRP was effective in reducing clinical parameters in both groups. The inferior improvement in PD following therapy for smokers may reflect the systemic effects of smoking on the host response and the healing process. The lesser reduction in microflora and greater post-therapy prevalence of organisms may reflect the deeper pockets seen in smokers and poorer clearance of the organisms. These detrimental consequences for smokers appear consistent in both aggressive and CP.
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Affiliation(s)
- I B Darby
- School of Dental Sciences, University of Melbourne, 711 Elizabeth Street, Melbourne, Victoria 3000, Australia.
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Palmer RM, Wilson RF, Hasan AS, Scott DA. Mechanisms of action of environmental factors--tobacco smoking. J Clin Periodontol 2005; 32 Suppl 6:180-95. [PMID: 16128837 DOI: 10.1111/j.1600-051x.2005.00786.x] [Citation(s) in RCA: 310] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
AIM To review the potential biological mechanisms underlying the effects of tobacco smoking on periodontitis. MAIN FINDINGS Smoking has major effects on the host response, but there are also a number of studies that show some microbiological differences between smokers and non-smokers. Smoking has a long-term chronic effect on many important aspects of the inflammatory and immune responses. Histological studies have shown alterations in the vasculature of the periodontal tissues in smokers. Smoking induces a significant systemic neutrophilia, but neutrophil transmigration across the periodontal microvasculature is impeded. The suppression of neutrophil cell spreading, chemokinesis, chemotaxis and phagocytosis have been described. Protease release from neutrophils may be an important mechanism in tissue destruction. Tobacco smoke has been found to affect both cell-mediated immunity and humoral immunity. Research on gingival crevicular fluid has demonstrated that there are lower levels of cytokines, enzymes and possibly polymorphonuclear cells in smokers. In vitro studies have shown detrimental effects of nicotine and some other tobacco compounds on fibroblast function, including fibroblast proliferation, adhesion to root surfaces and cytotoxicity. CONCLUSION Tobacco smoking has widespread systemic effects, many of which may provide mechanisms for the increased susceptibility to periodontitis and the poorer response to treatment.
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Affiliation(s)
- Richard M Palmer
- King's College London, Guy's Hospital Campus, London Bridge, London SE1 9RT, UK.
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Buduneli N, Baylas H, Buduneli E, Türkoğlu O, Dahlen G. Evaluation of the relationship between smoking during pregnancy and subgingival microbiota. J Clin Periodontol 2005; 32:68-74. [PMID: 15642061 DOI: 10.1111/j.1600-051x.2004.00633.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Numerous studies have shown that smoking negatively affects periodontal health. Hormonal changes, which occur during pregnancy have also been reported to have adverse effects on the periodontal tissues or indirectly through alterations in the subgingival bacterial flora. At present, no knowledge exists concerning possible effects of smoking on the composition of subgingival plaque in pregnancy. The purpose of the present study was to evaluate the effects of smoking during pregnancy on the subgingival plaque bacteria most commonly associated with periodontal disease. METHODS A total number of 181 women were examined within 72 h post-partum. Smoking status was recorded by means of a self-reported questionnaire and the study population was divided into three groups; non-smokers, light smokers, and heavy smokers. In each woman, two subgingival plaque samples were obtained from mesio- or disto-buccal aspect of randomly selected one molar and one incisor tooth by sterile paperpoints. Clinical periodontal recordings comprising presence of dental plaque, bleeding on probing (BOP), and probing pocket depth (PPD) were performed at six sites per each tooth at all teeth. Plaque samples were analysed by checkerboard DNA-DNA hybridization with respect to 12 bacterial species. In all analyses, the individual subject was the computational unit. Thus, mean values for all clinical parameters were calculated and bacterial scores from each individual sample were averaged. Statistical methods included chi2 test, Kruskal-Wallis test and Mann-Whitney U-test. RESULTS Mean ages were similar in the study groups. Plaque, BOP and PPD recordings were lower in the heavy-smoker group, but the differences were not statistically significant (p>0.05). The detection rates and bacterial loads of the specific subgingival bacteria exhibited no significant differences between the groups. No correlation could be found between smoking status and detection rates and bacterial loads of various bacterial species. CONCLUSION The present findings suggest that smoking during pregnancy does not have a significant effect on the composition of subgingival plaque bacteria.
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Affiliation(s)
- Nurcan Buduneli
- Department of Periodontology, School of Dentistry, Ege University, Izmir, Turkey.
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Abstract
OBJECTIVE A radiographic investigation into the relationship between tobacco smoking and subgingival dental calculus was conducted in an adult population, including 48 current smokers, 57 former smokers, and 125 non-smokers. MATERIAL AND METHODS Assessment of subgingival calculus was based on a full set of radiographs. Mesial and distal root surfaces were assessed as to presence or absence of radiopaque deposits apical to the cemento-enamel junction. The severity of subgingival calculus deposition, labeled subgingival calculus load, was estimated from both the total number and the proportion of proximal sites affected. RESULTS The overall prevalence of individuals exhibiting at least one subgingival calculus positive site was 43%, ranging from 15% in age stratum 20-34 years to 72% in age stratum 50-69 years. The prevalence among current smokers, former smokers, and non-smokers was 71%, 53%, and 28%, respectively. The differences between smoking groups were statistically significant (p<0.001). The mean subgingival calculus load of current smokers, former smokers, and non-smokers was 3.4, 1.2, and 0.6 affected sites per person, respectively, or expressed as mean proportions, 6.2%, 2.4%, and 1.1%, respectively. The association between smoking and subgingival calculus load was statistically significant (p<0.001). The subgingival calculus load increased with increasing smoking exposure, suggesting a dose-response relationship. CONCLUSION The present observations in dentally aware adults indicate a strong and independent impact of tobacco smoking on subgingival calculus deposition.
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Affiliation(s)
- Jan Bergström
- Institute of Odontology, Karolinska Institutet, Stockholm, Sweden.
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Ragghianti MS, Greghi SLA, Lauris JRP, Sant'Ana ACP, Passanezi E. Influence of age, sex, plaque and smoking on periodontal conditions in a population from Bauru, Brazil. J Appl Oral Sci 2004; 12:273-9. [DOI: 10.1590/s1678-77572004000400004] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2003] [Accepted: 08/17/2004] [Indexed: 11/22/2022] Open
Abstract
Epidemiology is the study of health and disease in populations, and of how these conditions are influenced by heredity, biology, physical environment, social environment, and personal behavior. There are many epidemiological studies in Brazilian population but few about the influence of some risk factors in periodontal conditions. This cross-sectional study was performed to assess the influence of age, sex, plaque and smoking on periodontal disease in a population from Bauru (Brazil). Data concerning periodontal status were collected from 380 patients in the University of São Paulo (USP). Measurements of periodontal pocket depths (PPD), clinical attachment levels (CAL), plaque index (PI) of four sites in all teeth were registered. The influence of age, sex and smoking habits on the periodontal parameters were statistically evaluated using descriptive statistical and ANOVA. The correlation between plaque and periodontal parameters was analyzed by Pearson's correlation coefficient. The results showed an increase in the mean of periodontal destruction (PPD and CAL) and a higher number of sites with severe losses with increasing age. Correlation among percentage of sites with plaque and periodontal parameters (PPD and CAL) were positive but weakly related. The male group showed significantly higher means of CAL than the female. Smokers had significantly higher PPD and CAL means than non-smokers. Aging, smoking habit, male sex, and percentage of sites with plaque were associated with a great increase of periodontal destruction, being important factors in the diagnosis of the periodontal disease in this Brazilian population.
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Sewón L, Laine M, Karjalainen S, Doroguinskaia A, Lehtonen-Veromaa M. Salivary calcium reflects skeletal bone density of heavy smokers. Arch Oral Biol 2004; 49:355-8. [PMID: 15041482 DOI: 10.1016/j.archoralbio.2003.11.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/08/2003] [Indexed: 11/17/2022]
Abstract
OBJECTIVE Our recent studies suggest, that elevated calcium concentration of saliva is characteristic of periodontitis. In this study we analyzed the effect of smoking on salivary calcium and bone density by comparing the level of salivary calcium and the ultrasound scale of bone density of heavy smokers to those of non-smokers. DESIGN Salivary samples were collected from 603 women (50-62 years) participating in a pre-screen referral program for osteoporosis. Out of this group a total of 577 were accepted for the present study. General health, medications and tobacco smoking were recorded. The group included 487 non-smokers, 37 moderate smokers (1-10 cigarettes per day) and 53 heavy smokers (>10 cigarettes per day). Bone density was measured at the right heel by the quantitative ultrasound technique. Calcium and phosphate concentrations of saliva were measured and expressed as microg/ml of saliva. RESULTS The ultrasonographic variables of the heel, broadband ultrasound attenuation (BUA), speed of sound (SOS) and T-score (a standard deviation unit from mean values of healthy young adults) of heavy smokers were significantly lower than those of women who did not smoke (P = 0.007, 0.014 and 0.011, respectively). Salivary calcium concentration of heavy smokers 70.5 (14.6) microg/ml was higher than that of non-smokers 64.0 (14.1) microg/ml (P = 0.001). There were no significant differences in salivary phosphate level or in the salivary flow rate between heavy smokers and non-smokers. CONCLUSIONS Heavy smokers seem to have lower bone mineral density and higher salivary calcium than their non-smoking counterparts. We suggest that the high salivary calcium concentration of smokers is in connection with skeletal calcium disturbances.
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Affiliation(s)
- Liisi Sewón
- Department of Periodontology, Institute of Dentistry, University of Turku, Lemminkäisenkatu 2, FIN-20520 Turku, Finland.
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Erdemir EO, Duran I, Haliloglu S. Effects of smoking on clinical parameters and the gingival crevicular fluid levels of IL-6 and TNF-alpha in patients with chronic periodontitis. J Clin Periodontol 2004; 31:99-104. [PMID: 15016034 DOI: 10.1111/j.0303-6979.2004.00454.x] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVE Smoking is an important environmental risk factor for the initiation and progression of periodontal diseases. The aim of this study was to evaluate the effects of smoking on clinical parameters and the gingival crevicular fluid (GCF) contents of the pro-inflammatory cytokines interleukin-6 (IL-6) and tumor necrosis factor-alpha (TNF-alpha) levels in patients with chronic periodontitis. MATERIAL AND METHODS The study base consisted of 41 patients including 22 volunteer current smokers with an age range of 32-59 (44.41+/-7.88) years and 19 volunteer non-smokers with an age range of 36-59 (46.94+/-6.07) years. The first month after non-surgical periodontal therapy was accepted as the baseline of the study. The clinical parameters including plaque index (PI), gingival index (GI), bleeding on probing (BOP), probing depth (PD), clinical attachment loss (CAL) were recorded and GCF samples were collected for analysis of GCF contents of IL-6 and TNF-alpha levels. At the 3rd and 6th months, all of these procedures were repeated. RESULTS In smokers, only CAL was significantly higher at the 3rd month compared with non-smokers (p<0.05). GI and BOP were higher in non-smokers than smokers in both periods (p<0.05). PI showed increases from the initial to the 6th month in smokers (p<0.05). Although the differences between two groups with regard to IL-6 and TNF-alpha were not significant (p>0.05), the total amount of TNF-alpha in GCF decreased from the initial to the 6th month in smokers (p<0.05). There were no significant correlations between the mean total amount of IL-6 and TNF-alpha in GCF and clinical parameters in both evaluation periods in smokers (p>0.05). CONCLUSION The present study demonstrated that cigarette smoking increases the amount of dental plaque over time in smokers and does not influence GCF contents of IL-6 and TNF-alpha.
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Affiliation(s)
- Ebru Olgun Erdemir
- Department of Periodontology, School of Dentistry, Selcuk University, Konya, Turkey.
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Affiliation(s)
- Mauricio Ronderos
- Periodontics Department, School of Dentistry, University of the Pacific, San Francisco, California, USA
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