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Beck JD, Offenbacher S. Relationships Among Clinical Measures of Periodontal Disease and Their Associations With Systemic Markers. ACTA ACUST UNITED AC 2002; 7:79-89. [PMID: 16013220 DOI: 10.1902/annals.2002.7.1.79] [Citation(s) in RCA: 91] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
BACKGROUND Recent investigations of the relationship between periodontitis and systemic disease require that periodontal disease also must be thought of as a disease process that is an exposure for a systemic disease or condition (outcome), rather than as the outcome itself. When viewing periodontal disease as an exposure, investigators must consider the clinical, microbiological, and inflammatory components of periodontitis that potentially convey risk for the systemic outcome of interest, which may or may not be the same as those associated with the assessments used to define tooth-based disease. Another important consideration is the temporal relationship between the exposure and the outcome of interest. METHODS To explore which definitions of periodontal disease or clustering of clinical signs are important with regards to systemic exposure to inflammatory stress, we examined the relationship between clinical periodontal disease measures and 2 systemic inflammatory markers of increased risk for cardiovascular disease: serum soluble intercellular adhesion molecule (sICAM), which is a measure of vascular stress and serum C-reactive protein (CRP), which is a measure of hepatic acute-phase response. The Dental Arteriosclerosis Risk in Communities (ARIC) study, a cross-sectional study of the relationship between periodontal disease and cardiovascular disease, forms the basis for the examples used in this investigation. RESULTS Our findings demonstrated that while attachment loss, probing depth, (PD) and bleeding on probing (BOP) are individually associated with sICAM and CRP, only BOP remains significant for sICAM when all 3 are in the model and, for CRP, only PD remains significant. Both of these clinical parameters were more robust in estimating the degree of systemic inflammation than traditional classifications of mild, moderate, and severe periodontitis or other measures of disease severity such as attachment loss. CONCLUSIONS When selecting a definition of "systemic periodontitis" (periodontal disease that represents an exposure for a systemic condition), it is helpful to think of periodontal disease as a chronic oral infection with a number of clinical signs, rather than as the dento-centrically defined entity, periodontal disease. Thus, "systemic periodontitis" should be defined predicated upon those clinical signs that best represent the underlying mechanisms and temporal sequence that may affect that systemic outcome.
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Affiliation(s)
- James D Beck
- Department of Dental Ecology University of North Carolina, Chapel Hill, North Carolina, USA.
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253
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Hujoel PP, Drangsholt M, Spiekerman C, DeRouen TA. Periodontitis-systemic disease associations in the presence of smoking--causal or coincidental? Periodontol 2000 2002; 30:51-60. [PMID: 12236895 DOI: 10.1034/j.1600-0757.2002.03005.x] [Citation(s) in RCA: 138] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Abstract
BACKGROUND/AIMS Some symptoms of diseases or causes of death are often related to oral health, especially cardiovascular diseases. The purpose of this study was to investigate the relationship between poor oral health and mortality risk, especially when cases of fatal cardiovascular diseases were excluded. MATERIAL AND METHODS An odontological investigation was made on a sample of 1393 individuals, aged 18-65 years, in 1970 in the County of Stockholm with a follow-up in 1997, when the mortality rate and causes of death in the sample during the time period 1971-1996 were registered. Oral health was defined as a sum of scores for number of missing teeth, apical lesions, caries lesions and marginal bone loss. RESULTS A significant correlation was found between poor oral health and an increased mortality risk even when persons dying from cardiovascular diseases were excluded from the analyses. CONCLUSION Poor oral health was found to be a risk indicator of all-cause mortality. The lack of specificity of the associations between oral health and mortality strengthens the hypothesis that the significant correlations could be explained by not identified confounding factors.
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Affiliation(s)
- Leif Jansson
- Department of Periodontology at Folktandvården Skanstull, Stockholm, Sweden.
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255
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Rahmati MA, Craig RG, Homel P, Kaysen GA, Levin NW. Serum markers of periodontal disease status and inflammation in hemodialysis patients. Am J Kidney Dis 2002; 40:983-9. [PMID: 12407643 DOI: 10.1053/ajkd.2002.36330] [Citation(s) in RCA: 76] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND Hemodialysis (HD) patients face a 25% annual mortality rate, with 50% of reported deaths attributed to cardiovascular disease. All-cause and cardiovascular mortality correlate with such acute-phase proteins as C-reactive protein (CRP). Hepatic CRP synthesis is upregulated by inflammation; however, elevated CRP values frequently are found in the absence of apparent infection or inflammation. Because destructive periodontal diseases have been associated with elevated CRP levels, we questioned whether destructive periodontal diseases could contribute to elevated CRP values in HD populations. METHODS Sera from 86 consecutive dentate HD patients were assayed for levels of immunoglobulin G (IgG) antibody to six periodontal species by means of an enzyme-linked immunosorbent assay. RESULTS CRP values for the subject population ranged from less than 6.9 to 159 mg/L (median, 8.2 mg/L). Univariate comparisons between subjects with or without elevated CRP levels (>10 mg/L) showed that CRP level elevation was associated significantly (P < 0.05) with greater doses of human recombinant erythropoietin and lower levels of hemoglobin, serum iron, transferrin saturation (TSat), albumin averaged over the 3 preceding months, total cholesterol, and triglycerides. Log serum IgG antibody levels to Porphyromonas gingivalis also were significantly greater in the group with elevated CRP levels (P = 0.013). Subsequent multivariate logistic regression showed that log serum antibody levels to P gingivalis remained significant (P = 0.02) after controlling for nonperiodontal sources of elevated CRP, hemoglobin, TSat, and triglyceride values. CONCLUSION These results suggest that elevated levels of IgG antibody to bacterial species associated with destructive periodontal diseases are associated with elevated CRP values in HD populations.
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256
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Bloemenkamp DGM, van den Bosch MAAJ, Mali WPTM, Tanis BC, Rosendaal FR, Kemmeren JM, Algra A, Visseren FLJ, van der Graaf Y. Novel risk factors for peripheral arterial disease in young women. Am J Med 2002; 113:462-7. [PMID: 12427494 DOI: 10.1016/s0002-9343(02)01258-5] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE To investigate traditional and novel risk factors (homocysteine and C-reactive protein levels, and exposure to infections) for peripheral arterial disease in young women. SUBJECTS AND METHODS In a multicenter, population-based, case-control study, 212 young women (mean [+/- SD] age, 48.2 +/- 7.0 years) with peripheral arterial disease and 475 healthy control women (mean age, 45.5 +/- 8.1 years) completed a standardized questionnaire and provided blood samples. Peripheral arterial disease was angiographically confirmed if a stenotic lesion (more than 50% reduction of the lumen) was present in at least one major peripheral artery. Hyperhomocysteinemia was defined as a nonfasting plasma homocysteine level exceeding the 90th percentile of the control group. History of infectious diseases was determined by questionnaire. RESULTS Elevated C-reactive protein levels were associated with an increased likelihood of peripheral arterial disease (odds ratio [OR] = 3.9; 95% confidence interval [CI]: 1.8 to 8.5 for women in the third quartile; OR = 3.1; 95% CI: 1.4 to 6.8 for women in the fourth quartile; both comparisons with women in the first quartile). Hyperhomocysteinemia was not associated with a significantly increased risk of peripheral arterial disease (OR = 1.6; 95% CI: 0.9 to 3.0). A history of chickenpox, shingles, mumps, pneumonia, chronic bronchitis, peptic ulcer, or periodontitis was independently related to peripheral arterial disease, with adjusted odds ratios varying from 1.7 (95% CI: 1.0 to 3.1) for mumps to 3.4 (95% CI: 1.5 to 7.7) for peptic ulcer. The risk of peripheral arterial disease increased with the number of these infections; exposure to five or more infections increased the odds 3.7-fold (95% CI: 1.7 to 8.2). This association was not affected by the level of C-reactive protein. CONCLUSION Our results do not support a strong relation between homocysteine and peripheral arterial disease in young women. However, an elevated C-reactive protein level and several types of symptomatic infection were associated with peripheral arterial disease.
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Affiliation(s)
- Daisy G M Bloemenkamp
- Julius Center for General Practice and Patient Oriented Research, Department of Radiology, University Medical Center Utrecht, Utrecht, The Netherlands
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257
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Malthaner SC, Moore S, Mills M, Saad R, Sabatini R, Takacs V, McMahan AC, Oates TW. Investigation of the association between angiographically defined coronary artery disease and periodontal disease. J Periodontol 2002; 73:1169-76. [PMID: 12416775 DOI: 10.1902/jop.2002.73.10.1169] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND The association between periodontal disease and coronary artery disease (CAD) has been investigated in numerous studies with inconsistent results. Resolving these differences is complicated by the use of varying definitions of CAD. The aim of this study was to investigate the association between angiographically-defined CAD and periodontal disease. METHODS Non-smoking, non-diabetic patients, over 40 years of age, with no history of a myocardial infarction in the previous 6 months and who had undergone cardiac catheterization within the previous 12 months were enrolled in this study. Subjects were classified as having CAD (CAD+) if they had 50% stenosis in at least one major epicardial artery and classified as CAD negative (CAD-) if they had <50% stenosis in all identified arteries. Periodontal disease severity was measured through bleeding on probing, probing depth, clinical attachment level (CAL), gingival recession, number of missing teeth, and radiographic bone loss. RESULTS One hundred (53 = CAD+; 47 = CAD-) patients were examined. CAD+ patients were more likely to be male (CAD+ 83.0% male; CAD- 40.4% male; P= 0.001), and were older (CAD+ 65.3 years; CAD- 60.8 years; P= 0.0138). Although all patients reported they were currently non-smokers and had not smoked for at least 5 years, the fraction who were former smokers was greater for CAD+ patients (66% versus 24.4%; P = 0.0001) and mean pack/year history of smoking was higher for CAD+ patients (15.8 versus 4.5; P = 0.0003). Mean CAL (3.13 mm versus 2.78 mm; P 0.0227), number of sites with CAL > or = 6 mm (6.85 versus 3.32; P = 0.0242), radiographic bone loss (3.60 mm versus 3.18 mm; P = 0.0142) were greater for CAD+ patients than for CAD- patients. However, after adjustment for age and previous smoking history, factors common to both diseases, the associations of CAD and periodontal disease were reduced and were not statistically significant (odds ratio [OR]: mean CAL OR = 1.06; number of sites with CAL > or = 6 mm OR = 1.03; mean radiographic bone loss OR = 1.31; P > or = 0.2055). CONCLUSIONS After accounting for factors common to both periodontal disease and CAD, there was no significant association between periodontal disease and chronic CAD as assessed angiographically. Further investigations into the relationship between periodontal disease and CAD should clearly separate chronic CAD and acute coronary events.
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Affiliation(s)
- Scott C Malthaner
- Department of Periodontics, Wilford Hall Medical Center, Lackland Air Force Base, San Antonio, TX, USA
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Seymour RA, Preshaw PM, Steele JG. Oral health and heart disease. PRIMARY DENTAL CARE : JOURNAL OF THE FACULTY OF GENERAL DENTAL PRACTITIONERS (UK) 2002; 9:125-31. [PMID: 12483788 DOI: 10.1308/135576102322481947] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Over the past ten years, a body of evidence has accumulated to suggest that aspects of oral health, particularly the extent and severity of periodontal disease, may be associated with an increased risk of coronary heart disease (CHD). This evidence should be seen against the background of a more general interest in the role of chronic infections in vascular disease. There have, for example, been suggestions of associations between CHD and a range of bacterial and viral agents, including H. pylori, C. pneumoniae, and cytomegalovirus, which are involved in persistent infections at various sites around the body. Reviews of the evidence for the causality of these relationships between CHD and specific organisms have been inconclusive. By comparison, periodontal disease is related to a wide and complex range of organisms rather than a single species and although the nature of the relationship is still inconclusive, the evidence for its validity still persists to some degree. A brief synopsis of the epidemiological studies to date and their outcomes is shown in Table 1.
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Affiliation(s)
- Robin A Seymour
- Department of Restorative Dentistry, The Dental School, University of Newcastle upon Tyne, Framlington Place, Newcastle upon Tyne NE2 4BW.
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259
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Persson RE, Hollender LG, Powell VL, MacEntee M, Wyatt CCL, Kiyak HA, Persson GR. Assessment of periodontal conditions and systemic disease in older subjects. II. Focus on cardiovascular diseases. J Clin Periodontol 2002; 29:803-10. [PMID: 12423292 DOI: 10.1034/j.1600-051x.2002.290903.x] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND Panoramic radiographs (PMX)s may provide information about systemic health conditions. AIMS i). To study clinical periodontal conditions and collect self-reported health status in a cohort of 1084 older subjects; ii). to study signs of alveolar bone loss and carotid calcification from panoramic radiographs obtained from these subjects; and iii). to study associations between study parameters. MATERIAL AND METHODS PMXs from 1064 adults aged 60-75 (mean age 67.6, SD +/- 4.7) were studied. Signs of alveolar bone loss, vertical defects, and molar furcation radiolucencies defined periodontal status. Medical health histories were obtained via self-reports. Signs of carotid calcification were identified from panoramic radiographs. RESULTS The PMX allowed assessment of 53% of the films (Seattle 64.5% and Vancouver 48.4%). A self-reported history of a stroke was reported by 8.1% of men in Seattle and 2.9% of men in Vancouver (P < 0.01). Heart attacks were reported by 12% of men in Seattle and 7.2% in Vancouver (N.S.). PMX evidence of periodontitis was found in 48.5% of the subjects, with carotid calcification in 18.6%. The intraclass correlation score for PMX findings of carotid calcification and stroke was 0.24 (95% CI: 0.10-0.35, P < 0.001). The odds ratio for PMX carotid calcification and periodontitis was 2.1 (95% CI: 1.3-3.2, P < 0.001), and for PMX carotid calcification and stroke 4.2 (95% CI: 1.9-9.1, P < 0.001). The associations disappeared when smoking was accounted for. A history of a heart attack was associated with stroke, gender, age, and PMX scores of alveolar bone loss. CONCLUSIONS PMXs may provide valuable information about both oral conditions and signs of carotid calcification, data that are consistent with self-reported health conditions. Alveolar bone loss as assessed from PMXs is associated with cardiovascular diseases.
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Affiliation(s)
- R E Persson
- Department of Oral Medicine, University of Washington, Seattle, WA, USA.
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260
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Hyman JJ, Winn DM, Reid BC. The Role of Cigarette Smoking in the Association Between Periodontal Disease and Coronary Heart Disease. J Periodontol 2002; 73:988-94. [PMID: 12296599 DOI: 10.1902/jop.2002.73.9.988] [Citation(s) in RCA: 36] [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 Cigarette smoking is a significant risk factor for both coronary heart disease and periodontal disease. The goal of this study was to better understand the role of smoking in the relationship between periodontal disease and heart attack history. METHODS The study population consisted of 5,285 participants in the Third National Health and Nutrition Examination Survey (NHANES) during 1988-1994 and who were age 40 years or older when examined. The data analysis employed logistic regression models and accounted for the complex sampling design used in NHANES. RESULTS After adjustment for potential confounders, we only found significant associations between periodontal loss of attachment (LOA) and heart attack history for smokers, with odds ratios and 95% confidence interval (CI) of 2.64 (1.48 to 4.71), 3.84 (1.22 to 12.10) and 5.87 (1.91 to 18.00) for those with 2.0 to 2.99, 3.0 to 3.99, and 4 mm or more mean LOA, respectively. When the analysis was stratified by smoking status and tertile of age at heart attack, the statistically significant associations were limited to smokers who had a heart attack between the ages of 25 and 50 years, with odds ratios and 95% Cl associated with increasing mean LOA for this group of 3.29 (1.35 to 8.04), 7.32 (1.60 to 33.51), and 8.04 (1.91 to 18.00), respectively. CONCLUSIONS These results suggest that cigarette smoking is a necessary cofactor in the relationship between periodontal disease and coronary heart disease, and the increase in risk appears to be age dependent. However, the key role played by smoking in the etiology of both periodontal and heart diseases makes it difficult to determine how much of the observed association resulted from periodontal disease.
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Affiliation(s)
- Jeffrey J Hyman
- Office of Science Policy and Analysis, National Institute of Dental and Craniofacial Research, Bethesda, MD 20892-6401, USA.
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261
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Abstract
Periodontists are often called upon to provide periodontal therapy for patients with a variety of cardiovascular diseases. Safe and effective periodontal treatment requires a general understanding of the underlying cardiovascular diseases, their medical management, and necessary modifications to dental/periodontal therapy that may be required. In this informational paper more common cardiovascular disorders will be discussed and dental management considerations briefly described. This paper is intended for the use of periodontists and members of the dental profession.
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262
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Adachi M, Ishihara K, Abe S, Okuda K, Ishikawa T. Effect of professional oral health care on the elderly living in nursing homes. ORAL SURGERY, ORAL MEDICINE, ORAL PATHOLOGY, ORAL RADIOLOGY, AND ENDODONTICS 2002; 94:191-5. [PMID: 12221387 DOI: 10.1067/moe.2002.123493] [Citation(s) in RCA: 170] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
OBJECTIVE We evaluated the effectiveness of professional oral health care (POHC) given by dental hygienists once a week for 24 months to 141 elderly persons needing daily care and living in 2 nursing homes. STUDY DESIGN Elderly subjects with POHC and without POHC living in 2 nursing homes were examined for 24 months to detect any fevers of 37.8 degrees C or more and the prevalence of fatal aspiration pneumonia. The numbers of Staphylococcus species and Candida albicans in swab samples from oral cavities were compared between the POHC group and the non-POHC group. The amounts of methylmercaptan exhaled in the POHC group were determined and compared with those in the non-POHC group. RESULTS The prevalence of fevers of 37.8 degrees C or more in the subjects receiving POHC was significantly lower than in the non-POHC group (P < .05). We found that the ratio of fatal aspiration pneumonia in the POHC group during the 24 months was significantly lower than in the non-POHC group (P < .05). Numbers of C albicans species in samples obtained from the oral cavity after 6 months of POHC were significantly lower than those in the non-POHC group (P < .01). POHC resulted in the reduction of the presence of Staphylococcus but not to a statistically significant extent. The amounts of methylmercaptan exhaled by the POHC group were significantly less than those of the non-POHC group (P <.05). CONCLUSION This study showed that POHC administered by dental hygienists to a group of elderly patients needing daily nursing care was associated with a reduction in prevalence of fever and fatal pneumonia.
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263
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Coleman P. Improving oral health care for the frail elderly: a review of widespread problems and best practices. Geriatr Nurs 2002; 23:189-99. [PMID: 12183742 DOI: 10.1067/mgn.2002.126964] [Citation(s) in RCA: 71] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Oral health is an important component of overall health, well-being, and quality of life for institutionalized elders. Despite reports by nurses of the importance of oral hygiene, empirical evidence shows that daily oral care interventions have not been effective in safeguarding the oral and general health of this vulnerable population. Effective practice must involve not only recognizing its importance but also ensuring that daily oral hygiene receives the same priority as other care practices.
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Affiliation(s)
- Patricia Coleman
- Syracuse University School of Nursing and the Center for Clinical Research on Aging, University of Rochester School of Nursing, in Rochester, N.Y., USA
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264
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Abstract
There is a growing concern in most countries to address the problem of inequities in health-care within the context of financial restraints on the public purse and the realities of health professions that are influenced strongly by the economic priorities of free-market economies. Dental professionals, like other health professionals, are well aware that the public expects oral health-related services that are effective, accessible, available and affordable. Yet, there is remarkably little reference in the literature to the theories of distributive justice that might offer guidance on how an equitable oral health service could be achieved. This paper considers three prominent theories of distributive justice--libertarianism, egalitarianism and contractarianism--within the controversial context of basic care and quality of life. The discussion leads towards a socially responsible, egalitarian perspective on prevention augmented by a social contract for curative care with the aim of providing maximum benefit to the least advantaged in society.
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Affiliation(s)
- Shafik Dharamsi
- Department of Clinical Dental Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, Canada
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265
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Abstract
BACKGROUND Chronic periodontitis, or CP, has been associated with coronary heart disease, or CHD. This article reviews the available prospective CP-CHD evidence. LITERATURE REVIEWED In nine cohort studies, CP was associated with a 15 percent greater risk of developing CHD. Conclusions from individual studies depended on study characteristics. Summary risk estimates for studies controlling for smoking intensity (five of nine studies) or health awareness (two of nine studies) or studies with more than 600 CHD events (three of nine studies) suggest that CP is either not at all or weakly associated with CHD. Summary risk estimates for the studies that did not control for these factors or that examined an insufficient number of CHD events reported a weak increase in CHD risk associated with CP (20 percent greater). These data suggest that the CP-CHD associations observed in smaller studies are due to insufficient control for lifestyle differences. In addition, one cohort study reported that edentulous people had a CHD risk similar to that of people with CP. Therefore, the plausibility of dental infection elimination affecting CHD risk appears limited. SUMMARY Current evidence supporting a causal CP-CHD link is weak. Rigorous methodological and analytical control of lifestyle factors such as smoking will be required to elucidate whether the CP-CHD disease association is either small or nonexistent. CLINICAL IMPLICATIONS Cigarette smoking destroys both oral and systemic health. Because of this strong common causal factor, oral and systemic health are linked. Dentistry should continue to play an important role in implementing smoking prevention and cessation programs.
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Affiliation(s)
- P P Hujoel
- Department of Dental Public Health Sciences, School of Dentistry, Department of Epidemiology, Box 357475, University of Washington, Seattle, Wash. 98195, USA.
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266
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Genco R, Offenbacher S, Beck J. Periodontal disease and cardiovascular disease: epidemiology and possible mechanisms. J Am Dent Assoc 2002; 133 Suppl:14S-22S. [PMID: 12085720 DOI: 10.14219/jada.archive.2002.0375] [Citation(s) in RCA: 166] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND Many early epidemiologic studies reported an association between periodontal disease and cardiovascular disease. However, other studies found no association or nonsignificant trends. This report summarizes the evidence from epidemiologic studies and studies that focused on potential contributing mechanisms to provide a more complete picture of the association between periodontal and heart disease. TYPES OF STUDIES REVIEWED The authors summarize the longitudinal studies reported to date, because they represent the highest level of evidence available regarding the connection between periodontal disease and heart disease. The authors also review many of the case-control and cross-sectional studies published, as well as findings from clinical, animal and basic laboratory studies. RESULTS The evidence suggests a moderate association--but not a causal relationship--between periodontal disease and heart disease. Results of some case-control studies indicate that subgingival periodontal pathogenic infection may be associated with myocardial infarction. Basic laboratory studies point to the biological plausibility of this association, since oral bacteria have been found in carotid atheromas and some oral bacteria may be associated with platelet aggregation, an event important for thrombosis. Animal studies have shown that atheroma formation can be enhanced by exposure to periodontal pathogens. CONCLUSIONS The accumulation of epidemiologic, in vitro, clinical and animal evidence suggests that periodontal infection may be a contributing risk factor for heart disease. However, legitimate concerns have arisen about the nature of this relationship. These are early investigations. Since even a moderate risk contributed by periodontal disease to heart disease could contribute to significant morbidity and mortality, it is imperative that further studies be conducted to evaluate this relationship. One particularly important study to be carried out is the investigation of a possible clinically meaningful reduction in heart disease resulting from the prevention or treatment of periodontal disease.
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Affiliation(s)
- Robert Genco
- Department of Oral Biology, State University of New York at Buffalo, 3435 Main St., Foster Hall, Buffalo, N.Y. 14214-3008, USA.
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267
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Joshipura K. The relationship between oral conditions and ischemic stroke and peripheral vascular disease. J Am Dent Assoc 2002; 133 Suppl:23S-30S. [PMID: 12085721 DOI: 10.14219/jada.archive.2002.0373] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND This article is a critical review of the epidemiologic studies linking or disassociating oral conditions with stroke and peripheral vascular disease, or PVD. It also describes possible causal and non-causal pathways for these associations. TYPES OF STUDIES REVIEWED The author reviewed studies that evaluated the oral conditions of periodontal disease or tooth loss as risk factors for arterial disease and stroke. RESULTS Seven of nine studies evaluating tooth loss and periodontal disease as risk factors for stroke or PVD showed some significant associations. The studies varied in the exposures and outcomes evaluated; therefore, the associations were not consistently replicated. It is unclear whether the associations found between these oral conditions and cardiovascular disease had any causal component. In the absence of any causal relationship, the associations may be explained by common risk factors. Alternatively, there may be a causal relationship that may be explained by one or more potential causal pathways. Further epidemiologic studies are needed, and the role of nutrition and other inflammatory mediators needs to be explored further in this context. CLINICAL IMPLICATIONS It is recommended that clinicians continue to provide standard professional care, as well as nutritional counseling to help patients maintain a healthy diet after extractions. Clinicians are cautioned against suggesting extractions as a means of preventing cardiovascular disease.
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Affiliation(s)
- Kaumudi Joshipura
- Harvard School of Dental Medicine, Department of Oral Health Policy and Epidemiology, 188 Longwood Ave., Boston, Mass. 02115, USA.
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268
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Abstract
It has been suggested that people who suffer from impaired masticatory function may adapt food consistency to their oral status (which may lead to deficient nutrient intake) or rely on the digestive system to compensate for the lack of oral preparation of food (which may increase the likelihood of digestive diseases and decrease gut absorption). Masticatory deficiency thus may be detrimental to health. This article reviews evidence of the effects of masticatory deficiency on nutrition. The selection of relevant literature was based on Medline queries using the following key words: mastication, nutrition, digestion, diet, and disease risk. Earlier work not listed in Medline but related to the subject also was reviewed. Only publications available in English were selected for inclusion. It is difficult to draw conclusions from many of the reviewed studies due to issues related to study design, confounding variables, and the subjective nature of the measurements. In particular, data supporting a link between masticatory function and deficient dietary intake often are based on relatively weak correlations and cannot confer a causal relationship.
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Affiliation(s)
- Papa Ibrahima N'gom
- Laboratory of Oro-facial Physiology, Faculty of Dentistry, University of Auvergne, Clermont-Ferrand, France
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269
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López R, Oyarzún M, Naranjo C, Cumsille F, Ortiz M, Baelum V. Coronary heart disease and periodontitis -- a case control study in Chilean adults. J Clin Periodontol 2002; 29:468-73. [PMID: 12060431 DOI: 10.1034/j.1600-051x.2002.290513.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVES To investigate the association between periodontal disease parameters and coronary ischemic disease among 30-50-year-old Chileans. MATERIAL AND METHODS Cases were 30-50-year-olds who were hospitalized in one of four Cardiologic Units in Santiago, Chile, for acute myocardial infarction, unstable angina or angina pectoris. Controls had undergone surgery due to gall bladder stones or abdominal hernia. Information on blood pressure, serum cholesterol, body weight and height, age, occupation, smoking, diabetes and use of antidepressants was obtained. A total of 86 persons participated based on informed consent, but the analysis is based on 61 persons, for whom a complete set of data was obtained. Cases and controls were given a clinical periodontal examination comprising assessment of number of teeth present, periodontal pocket depth and clinical attachment level at six sites per tooth. The association between mean attachment level; mean pocket probing depth; number of teeth present and case status was analyzed by conditional logistic regression controlling for known risk factors for CHD. RESULTS The mean attachment level was positively associated with case status (OR = 3.17; 95% CI = [1.31; 7.65]), as was the mean pocket depth (OR = 8.64; 95% CI = [1.22; 61.20]). The number of teeth present was not statistically significantly associated with case status (OR = 0.93; 95% CI = [0.83; 1.04]). CONCLUSION The results are in accordance with those of several previous reports. If the results reflect a causal link between periodontal diseases and CHD they emphasize the need for better control of periodontal diseases. If the associations are-non-causal, they still demonstrate that CHD and periodontal diseases cluster in the same sections of the population, which is important from a public health point of view.
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Affiliation(s)
- Rodrigo López
- Faculty of Health Sciences, University of Aarhus, Denmark.
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270
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Shay K. Infectious complications of dental and periodontal diseases in the elderly population. Clin Infect Dis 2002; 34:1215-23. [PMID: 11941548 DOI: 10.1086/339865] [Citation(s) in RCA: 145] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2001] [Revised: 12/18/2001] [Indexed: 11/03/2022] Open
Abstract
Retention of teeth into advanced age makes caries and periodontitis lifelong concerns. Dental caries occurs when acidic metabolites of oral streptococci dissolve enamel and dentin. Dissolution progresses to cavitation and, if untreated, to bacterial invasion of dental pulp, whereby oral bacteria access the bloodstream. Oral organisms have been linked to infections of the endocardium, meninges, mediastinum, vertebrae, hepatobiliary system, and prosthetic joints. Periodontitis is a pathogen-specific, lytic inflammatory reaction to dental plaque that degrades the tooth attachment. Periodontal disease is more severe and less readily controlled in people with diabetes; impaired glycemic control may exacerbate host response. Aspiration of oropharyngeal (including periodontal) pathogens is the dominant cause of nursing home-acquired pneumonia; factors reflecting poor oral health strongly correlate with increased risk of developing aspiration pneumonia. Bloodborne periodontopathic organisms may play a role in atherosclerosis. Daily oral hygiene practice and receipt of regular dental care are cost-effective means for minimizing morbidity of oral infections and their nonoral sequelae.
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Affiliation(s)
- Kenneth Shay
- Geriatrics and Extended Care Service Line, Ann Arbor Veterans Affairs Healthcare System, and University of Michigan School of Dentistry, Ann Arbor, MI, USA.
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271
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Katz J, Flugelman MY, Goldberg A, Heft M. Association between periodontal pockets and elevated cholesterol and low density lipoprotein cholesterol levels. J Periodontol 2002; 73:494-500. [PMID: 12027250 DOI: 10.1902/jop.2002.73.5.494] [Citation(s) in RCA: 142] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND Periodontitis is associated with increased prevalence of cardiovascular morbidity and mortality; however, the nature of this association is unclear. There is a rationale that indicates that the presence of periodontal pockets which can harbor pathogenic microorganisms and evoke a host response could elicit a systemic effect. The hypothesis of this study is that periodontal pockets may be associated with elevated blood lipid levels, a known risk factor for atherosclerotic disease. METHODS The periodontal health of 10,590 Israeli military service men and women was assessed using the Community Periodontal Index of Treatment Needs (CPITN). The relationship of blood lipids and periodontal disease and CPITN index was tested, controlling for factors that are related to elevated cholesterol levels, including high body mass index (BMI), age, diastolic blood pressure, and smoking. RESULTS The presence of periodontal pockets was positively associated with higher cholesterol and low density lipoprotein (LDL) cholesterol blood levels in men. No significant association was found in women. CONCLUSIONS In this large cohort study, the presence of periodontal pockets as measured by CPITN was positively associated with total cholesterol and LDL-cholesterol. The findings of the study support the reports linking increased prevalence of cardiovascular mortality among patients with periodontal disease.
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Affiliation(s)
- Joseph Katz
- Department of Oral Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, University of Florida, Gainesville, USA
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272
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Affiliation(s)
- R I Garcia
- Boston VA Outpatient Clinic, and Goldman School of Dental Medicine, Boston University, Boston, MA, USA
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273
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Dorn BR, Harris LJ, Wujick CT, Vertucci FJ, Progulske-Fox A. Invasion of vascular cells in vitro by Porphyromonas endodontalis. Int Endod J 2002; 35:366-71. [PMID: 12059938 DOI: 10.1046/j.0143-2885.2001.00489.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
AIM The objective of this study was to determine whether laboratory strains and clinical isolates of microorganisms associated with root canal infections can invade primary cultures of cardiovascular cells. METHODOLOGY Quantitative levels of bacterial invasion of human coronary artery endothelial cells (HCAEC) and coronary artery smooth muscle cells (CASMC) were measured using a standard antibiotic protection assay. Transmission electron microscopy was used to confirm and visualize internalization within the vascular cells. RESULTS Of the laboratory and clinical strains tested, only P. endodontalis ATCC 35406 was invasive in an antibiotic protection assay using HCAEC and CASMC. Invasion of P. endodontalis ATCC 35406 was confirmed by transmission electron microscopy. DISCUSSION Certain microorganisms associated with endodontic infections are invasive. If bacterial invasion of the vasculature contributes to the pathogenesis of cardiovascular disease, then microorganisms in the pulp chamber represent potential pathogens.
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Affiliation(s)
- B R Dorn
- Center for Molecular Microbiology, Department of Oral Biology, College of Dentistry, University of Florida, Gainesville, FL 32610, USA
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274
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Abou-Raya S, Naeem A, Abou-El KH, El BS. Coronary artery disease and periodontal disease: is there a link? Angiology 2002; 53:141-8. [PMID: 11952103 DOI: 10.1177/000331970205300203] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND Cardiovascular disease is the number one killer worldwide. The so-called classic risk factors of coronary heart disease do not account for all of its clinical and epidemiological features. Recent evidence suggests that certain infections, among them dental infections and in particular periodontal disease, are involved in the pathogenesis of coronary artery disease. AIM To evaluate the association between periodontal disease and coronary artery disease. PATIENTS AND METHODS Fifty patients referred for diagnostic coronary angiography were assessed for periodontal disease. All patients underwent a thorough physical examination, routine laboratory testing, cardiac evaluation and dental examination which included pantomography x-ray evaluation. RESULTS Pantomography x-rays and coronary angiograms of the participants were scored blindly by a dentist and cardiologists respectively. The association between periodontal disease and coronary atheromatosis remained significant after adjustment for age, smoking, blood lipids, body mass index, hypertension and the presence of diabetes. IMPLICATIONS Periodontal disease was still significantly associated after all the known risk factors were accounted for. The implication here is that periodontal disease could be a potential risk factor for heart disease by predisposing the individual to chronic low-grade infections. If so, then dental health becomes an important parameter for medical health.
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Affiliation(s)
- Suzan Abou-Raya
- Department of Internal Medicine and Cardiology Unit, Faculty of Medicine, University of Alexandria, Egypt
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275
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Abstract
OBJECTIVE The purpose of the present study was to assess the relation between dental health and cardiovascular disease in an adult Swedish population. MATERIAL AND METHOD A questionnaire was sent to 4811 randomly selected Swedes. It contained 52 questions about dental care habits, oral health, cardiovascular disease and their socio-economic situation. Odd ratios for all cardiovascular diseases (CVD) and the subgroup myocardial infarction, stroke and high blood pressure were calculated with a logistic regression model adjusted for age, gender, smoking, income, civil status and education. These ratios were calculated for subjects > or =41 years since few people suffer from CVD before this. RESULTS The national questionnaire was answered by 2839 (59%) people between 20-84 years of age and, of them, 1577 were 41 years of age or more. We found a significant association between self-reported bleeding gums (odds ratio 1.60, p=0.0017), presence of dentures (odds ratio 1.57, p=0.0076) and known CVD, which has also been reported in international studies. However, no association between loose teeth, deep pockets and known CVD was detected. CONCLUSION The results indicate that oral health and, especially gingival inflammation is associated with CVD.
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Affiliation(s)
- K Buhlin
- Karolinska Institutet, Institute of Odontology, Department of Periodontology, Stockholm, Sweden
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276
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Christan C, Dietrich T, Hägewald S, Kage A, Bernimoulin JP. White blood cell count in generalized aggressive periodontitis after non-surgical therapy. J Clin Periodontol 2002; 29:201-6. [PMID: 11940137 DOI: 10.1034/j.1600-051x.2002.290303.x] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND Periodontal bacteria are known to invade the systemic circulation. Chronic low-level bacteremia and a systemic inflammatory response have been suggested as a pathogenetic link between periodontal disease and atherosclerosis. The purpose of this study was to examine the systemic effect of a non-surgical therapy on white blood cell count (WBC count) and differential blood count in smoking and non-smoking generalized aggressive periodontitis (GAP) patients. METHODS 27 adult periodontitis patients (13 smokers and 14 non-smokers) with previously untreated GAP were subjected to 3 sessions of oral hygiene procedure. Afterwards, the patients were treated by scaling and root planing under local anaesthesia. Periodontal examinations were performed after supragingival pretreatment and three months after subgingival therapy. Pocket probing depth (PPD) and relative attachment level (RAL) were measured with Florida probe and disc probe. Accompanying clinical evaluation venous blood samples were taken to analyse the WBC counts and differential blood counts. For statistical analysis non-parametric tests were utilized. RESULTS No clinical or demographic differences were found between smokers (n=13) and non-smokers (n=14). PPD, bleeding on probing (BoP) and suppuration improved significantly after therapy both in smokers and non-smokers. Following periodontal treatment WBC counts, neutrophil and platelet counts decreased significantly in non-smokers (p< or =0.004), while in smokers only platelet counts were significantly reduced (p=0.006). Non-smokers showed a significantly higher reduction of WBC counts (p=0.005) and neutrophils (p=0.001) compared to smokers. CONCLUSION The results indicate that a therapeutical intervention may have a systemic effect on the blood count in GAP patients. This effect seems to differ between smokers and non-smokers.
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Affiliation(s)
- Claudia Christan
- Department of Periodontology and Synoptic Dentistry, Charité, Humboldt University of Berlin, Germany.
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277
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Glurich I, Grossi S, Albini B, Ho A, Shah R, Zeid M, Baumann H, Genco RJ, De Nardin E. Systemic inflammation in cardiovascular and periodontal disease: comparative study. CLINICAL AND DIAGNOSTIC LABORATORY IMMUNOLOGY 2002; 9:425-32. [PMID: 11874889 PMCID: PMC119918 DOI: 10.1128/cdli.9.2.425-432.2002] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2001] [Revised: 04/18/2001] [Accepted: 11/15/2001] [Indexed: 01/07/2023]
Abstract
Epidemiological studies have implicated periodontal disease (PD) as a risk factor for the development of cardiovascular disease (CVD). These studies addressed the premise that local infection may perturb the levels of systemic inflammatory mediators, thereby promoting mechanisms of atherosclerosis. Levels of inflammatory mediators in the sera of subjects with only PD, only CVD, both diseases, or neither condition were compared. Subjects were assessed for levels of C-reactive protein (CRP), serum amyloid A (SAA), ceruloplasmin, alpha(1)-acid-glycoprotein (AAG), alpha(1)-antichymotrypsin (ACT), and the soluble cellular adhesion molecules sICAM-1 and sVCAM by enzyme-linked immunoabsorbent and/or radial immunodiffusion assays. CRP levels in subjects with either condition alone were elevated twofold above subjects with neither disease, whereas a threefold increase was noted in subjects with both diseases (P = 0.0389). Statistically significant increases in SAA and ACT were noted in subjects with both conditions compared to those with one or neither condition (P = 0.0162 and 0.0408, respectively). Ceruloplasmin levels were increased in subjects with only CVD (P = 0.0001). Increases in sVCAM levels were noted in all subjects with CVD (P = 0.0054). No differences in sICAM levels were noted among subject groups. A trend toward higher levels of AAG was noted in subjects with both conditions and for ACT in subjects with only PD. Immunohistochemical examination of endarterectomy specimens of carotid arteries from subjects with atherosclerosis documented SAA and CRP deposition in association with atheromatous lesions. The data support the hypothesis that localized persistent infection may influence systemic levels of inflammatory mediators. Changes in inflammatory mediator levels potentially impact inflammation-associated atherosclerotic processes.
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Affiliation(s)
- Ingrid Glurich
- Department of Oral Biology, State University of New York at Buffalo, 14214, USA
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278
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Li L, Messas E, Batista EL, Levine RA, Amar S. Porphyromonas gingivalis infection accelerates the progression of atherosclerosis in a heterozygous apolipoprotein E-deficient murine model. Circulation 2002; 105:861-7. [PMID: 11854128 DOI: 10.1161/hc0702.104178] [Citation(s) in RCA: 306] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Current epidemiological data suggest that dental infections affecting tooth-supporting tissues (periodontitis) can disseminate into the systemic circulation and thereby contribute to atherosclerosis progression. To test this hypothesis, we investigated the effect of repeated systemic inoculations with Porphyromonas gingivalis (Pg), a putative periodontal pathogen, on the progression of atherosclerosis in heterozygous apolipoprotein E-deficient (ApoE(+/-)) mice. METHODS AND RESULTS Ten-week-old, male ApoE(+/-) mice fed either a high-fat diet or regular chow were inoculated intravenously with live Pg (10(7) CFU) or vehicle once per week for 10, 14, or 24 consecutive weeks. Histomorphometry of plaque cross-sectional area in the proximal aortas, en face measurement of plaque area over the aortic trees, Pg 16S ribosomal DNA amplification with polymerase chain reaction, ELISA for systemic proinflammatory mediators, and immunolocalization of macrophages in the proximal aorta were performed. Atherosclerotic lesions of the proximal aortas and aortic trees were more advanced in Pg-challenged animals than in vehicle control animals and occurred earlier (at 10 weeks) when no lesions were apparent in control animals. At 24 weeks after inoculation, proximal aortic lesion size quantified by histomorphometry was 9-fold greater in chow-fed mice inoculated with Pg than in noninoculated mice (P<0.001) and was 2-fold greater in Pg-inoculated versus noninoculated high-fat diet-fed mice (P<0.001); all atherosclerotic lesions were macrophage-rich. Pg ribosomal DNA was found in the aortas, livers, and hearts 24 weeks after inoculation. CONCLUSIONS These results provide evidence that long-term systemic challenge with Porphyromonas gingivalis, an oral pathogen, can accelerate atherogenic plaque progression.
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Affiliation(s)
- Li Li
- Department of Periodontology and Oral Biology, School of Dental Medicine, Boston University, Boston, Mass 02118, USA
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279
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Niederman R, Westernoff T, Lee C, Mark LL, Kawashima N, Ullman-Culler M, Dewhirst FE, Paster BJ, Wagner DD, Mayadas T, Hynes RO, Stashenko P. Infection-mediated early-onset periodontal disease in P/E-selectin-deficient mice. J Clin Periodontol 2002; 28:569-75. [PMID: 11350525 DOI: 10.1034/j.1600-051x.2001.028006569.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
BACKGROUND Retrospective and correlation studies suggest that early-onset periodontal disease may be due to a deficiency in phagocyte function, a pathogenic oral biofilm, and/or dysregulated gingival cytokine expression. Increased susceptibility to periodontal disease is therefore thought to result from multiple risk factors. METHODS We tested this hypothesis prospectively using P/E-selectin adhesion molecule deficient mice that mimic the human syndrome leukocyte adhesion deficiency II. RESULTS Our studies demonstrate that, in comparison to wild type animals, P/E-/- mice exhibit: spontaneous, early onset alveolar bone loss which is significant by 6 weeks of age; a 10-fold elevation in bacterial colonization of their oral cavities; and elevated gingival tissue levels of the bone resorptive cytokine IL-1alpha. Alveolar bone loss is completely prevented by prophylactic antibiotic therapy. CONCLUSIONS These experiments provide the first prospective evidence for the multiple risk factor hypothesis of periodontal disease, and validate the first animal model for early onset periodontitis in which both the microbiota and host response can be systematically manipulated. P/E-/- animals should be useful in testing the virulence of putative periodontal pathogens, in determining the role of host resistance factors in periodontitis, in exploring the proposed relationship(s) between infection mediated alveolar bone loss and systemic health disorders, and exploring their genetic relationships.
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Affiliation(s)
- R Niederman
- Department of Cytokine Biology, Forsyth Institute, Boston, MA 02115, USA.
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280
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Geerts SO, Nys M, De MP, Charpentier J, Albert A, Legrand V, Rompen EH. Systemic release of endotoxins induced by gentle mastication: association with periodontitis severity. J Periodontol 2002; 73:73-8. [PMID: 11846202 DOI: 10.1902/jop.2002.73.1.73] [Citation(s) in RCA: 157] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
BACKGROUND Periodontitis has recently been identified as a potential risk factor for systemic pathologies such as cardiovascular disease, the hypothesis being that periodontal pockets could release pro-inflammatory bacterial components, for instance endotoxins, into the bloodstream. It is known that the oral cavity can be a source of circulating bacteria, but this has never been shown for bacterial endotoxins, and no evidence exists so far that the risk of systemic injury is related to the severity of periodontitis. The aim of the present study was to test the influence of gentle mastication on the occurrence of endotoxemia in patients with or without periodontal disease. METHODS A total of 67 subjects were periodontally examined and grouped according to their periodontal status. This classification was based on an original index of severity of periodontal disease (periodontal index for risk of infectiousness, PIRI) aimed at reflecting the individual risk of systemic injury from the periodontal niches. Thus, the patients were classified into 3 risk groups: low, PIRI = 0; n = 25; moderate, 1 < or = PIRI < or = 5, n = 27; and high 6 < or = PIRI < or = 10, n = 15. Blood samples were collected before and 5 to 10 minutes after a standardized session of gentle mastication for detection of circulating endotoxins. Blood samples were tested with a chromogenic limulus amoebocyte lysate assay. RESULTS Overall, blood levels of endotoxin after mastication were found to be significantly higher than before mastication (0.89 +/- 3.3 pg/ml versus 3.0 +/- 5.8 pg/ml; P= 0.0002). Likewise, the incidence of positive endotoxemia rose from 6% before mastication to 24% after mastication (P = 0.001). When accounting for the PIRI index, endotoxin levels and positive endotoxemia proved to be significantly higher in patients with severe periodontal disease than in the subjects with low or moderate periodontitis. CONCLUSIONS Gentle mastication is able to induce the release of bacterial endotoxins from oral origin into the bloodstream, especially when patients have severe periodontal disease. This finding suggests that a diseased periodontium can be a major and underestimated source of chronic, or even permanent, release of bacterial pro-inflammatory components into the bloodstream.
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Affiliation(s)
- Sabine O Geerts
- Department of Periodontology-Bucco-Dental Surgery, University of Liège, Belgium
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281
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De Nardin E. The role of inflammatory and immunological mediators in periodontitis and cardiovascular disease. ANNALS OF PERIODONTOLOGY 2001; 6:30-40. [PMID: 11887469 DOI: 10.1902/annals.2001.6.1.30] [Citation(s) in RCA: 104] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Epidemiological studies have implicated periodontitis (PD) as a risk factor for development of cardiovascular disease (CVD). Persistent infections such as periodontitis induce inflammatory and immune responses which may contribute to coronary atherogenesis, and, in conjunction with other risk factors, may lead to coronary heart disease (CHD). In this review, mechanisms are described that may help explain the association between periodontal infections and CHD. Periodontal diseases are bacterial infections associated with bacteremia, inflammation, and a strong immune response, all of which may represent significant risk factors for the development of atherogenesis, CHD, and myocardial infarction (MI). Several mechanisms may participate in this association, including those induced by oral organisms, and those associated with host response factors. This review will focus on host factors. Oral pathogens and inflammatory mediators (such as interleukin [IL]-1 and tumor necrosis factor [TNF]-alpha) from periodontal lesions intermittently reach the bloodstream inducing systemic inflammatory reactants such as acute-phase proteins, and immune effectors including systemic antibodies to periodontal bacteria. This review will describe the potential role of various inflammatory as well as immunologic factors that may play a role in periodontitis as a possible risk factor for CHD.
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Affiliation(s)
- E De Nardin
- Department of Oral Biology, School of Dental Medicine, Department of Microbiology, School of Medicine, University at Buffalo, Buffalo, New York, USA
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282
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Beck JD, Offenbacher S. The association between periodontal diseases and cardiovascular diseases: a state-of-the-science review. ANNALS OF PERIODONTOLOGY 2001; 6:9-15. [PMID: 11887476 DOI: 10.1902/annals.2001.6.1.9] [Citation(s) in RCA: 120] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Early case-control and cross-sectional studies demonstrating associations between chronic periodontitis and cardiovascular disease (CVD) were quickly followed by secondary analyses of data available from existing longitudinal studies, which indicated that individuals with periodontitis, as determined by clinical measures, were at greater risk for CVD events. Many of these studies contained large numbers of subjects and were adjusted for traditional risk factors. Within the last 18 months, one case-control study and one longitudinal study have reported finding positive associations that were not statistically significant. The earlier studies stimulated a number of studies focused on identifying potential biological mechanisms that might underlie this association. While still early in that process, such studies have implicated a systemic role for oral microorganisms and for the quality and quantity of the host inflammatory response as key biologic processes that may underlie the association of CVD with the clinical manifestation of periodontitis. It is a positive development when changes in our knowledge regarding biologic mechanisms result in reevaluation of past studies, and this reevaluation leads to new studies that incorporate the design elements demanded by this new knowledge. In that spirit, we conclude that all longitudinal studies reported to date can be characterized as follows: none were initially designed to actually test the association of interest; almost all were restricted to clinical measures of periodontitis to index the exposure and lacked measures of infectious burden and host response; and they used a variety of cardiovascular clinical events to index the outcome and did not include subclinical measures of atherosclerosis. In addition, the longitudinal studies that failed to show a significant association between periodontitis and CVD used the least sensitive and crudest clinical measures of periodontal disease. Based upon the current state-of-the-science, all previous studies should be viewed as lacking sufficiently sensitive and comprehensive measures of periodontal disease as a systemic exposure. Since the potential health care impact of this relationship might be extensive, it is time to enter the next phase of research by conducting molecular epidemiology studies that are appropriately designed to test our current understanding of the molecular and cellular mechanisms involved.
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Affiliation(s)
- J D Beck
- Comprehensive Center for Inflammatory Disorders, Center for Oral and Systemic Diseases, University of North Carolina, Chapel Hill, North Carolina, USA.
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283
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Abstract
The possibility that periodontal disease might influence the morbidity and mortality of systemic diseases constitutes a research topic of great current interest. Human periodontal disease is associated with a complex microbiota containing approximately 500 microbial taxa and various human viruses, many of which possess significant virulence potential. Actinobacillus actinomycetemcomitans, Porphyromonas gingivalis and other periodontopathic bacteria that are unique to the oral cavity and may disseminate to other body sites comprise the best-documented form of dental focal infection. However, systemically healthy individuals seem to be at low risk of acquiring acute non-oral diseases from direct infections by periodontal pathogens. Research data from various laboratories point to periodontal infections as a risk factor for chronic medical disorders, including cardiovascular disease, cerebrovascular accidents and low-birth-weight infants. However, recent epidemiological studies have failed to show a significant relationship between periodontal disease and cardiovascular disease. This review paper evaluates the current status of knowledge on dental focal infection and suggests avenues for further research into the topic of general health risks of periodontal disease.
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Affiliation(s)
- J Slots
- MBA University of Southtern California, School of Dentristy, Department of Periodontology, Los Angeles 90089-0641, USA.
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284
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Beck JD, Elter JR, Heiss G, Couper D, Mauriello SM, Offenbacher S. Relationship of periodontal disease to carotid artery intima-media wall thickness: the atherosclerosis risk in communities (ARIC) study. Arterioscler Thromb Vasc Biol 2001; 21:1816-22. [PMID: 11701471 DOI: 10.1161/hq1101.097803] [Citation(s) in RCA: 278] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Periodontitis has been linked to clinical cardiovascular disease but not to subclinical atherosclerosis. The purpose of this study was to determine whether periodontitis is associated with carotid artery intima-media wall thickness (IMT). Cross-sectional data on 6017 persons aged 52 to 75 years were obtained from the Atherosclerosis Risk in Communities Study 1996 to 1998 examination. The dependent variable was carotid IMT >/=1 mm. Periodontitis was defined by extent of attachment loss >/=3 mm: none/mild (<10%), moderate (10% to <30%), or severe (>/=30%). Covariates included age, sex, diabetes, LDL cholesterol, HDL cholesterol, triglycerides, hypertension, smoking, waist-hip ratio, education, and race/study center. Odds of IMT >/=1 mm were higher for severe periodontitis (OR 2.09, 95% CI 1.73 to 2.53) and moderate periodontitis (OR 1.40, CI 1.17 to 1.67) compared with no periodontitis. In a multivariable logistic regression model, severe periodontitis (OR 1.31, CI 1.03 to 1.66) was associated with IMT >/=1 mm, while adjusting for the other factors in the model. These results provide the first indication that periodontitis may play a role in the pathogenesis of atheroma formation, as well as in cardiovascular events.
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Affiliation(s)
- J D Beck
- University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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285
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Noack B, Genco RJ, Trevisan M, Grossi S, Zambon JJ, De Nardin E. Periodontal infections contribute to elevated systemic C-reactive protein level. J Periodontol 2001; 72:1221-7. [PMID: 11577954 DOI: 10.1902/jop.2000.72.9.1221] [Citation(s) in RCA: 443] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND Periodontitis is a local inflammatory process mediating destruction of periodontal tissues triggered by bacterial insult. However, this disease is also characterized by systemic inflammatory host responses that may contribute, in part, to the recently reported higher risk for cardiovascular disease (CVD) among patients with periodontitis. Moderate elevation of C-reactive protein (CRP) has been found to be a predictor of increased risk for CVD. Elevated CRP levels in periodontal patients have been reported by several groups. In this study, we examined whether CRP plasma levels are increased in periodontitis and if there is a relation to severity of periodontal disease and to the periodontal microflora. METHODS CRP serum levels were assessed using radial immunodiffusion assay in 174 subjects, 59 with moderate mean clinical attachment loss (AL) (2.39+/-0.29 mm) and 50 with high AL (3.79+/-0.86 mm) as compared to 65 periodontally healthy controls (AL, 1.74+/-0.18 mm). Clinical attachment loss, probing depths, and percentage of periodontal pocket sites > or =5 mm were measured. The presence of periodontal pathogens Porphyromonas gingivalis (P.g.), Prevotella intermedia (P.i.), Campylobacter recta (C.r.), and Bacteroides forsythus (B.f.) in subgingival plaque samples was measured by immunofluorescence microscopy. RESULTS Statistically significant increases in CRP levels were observed in subjects with periodontal disease when compared to healthy controls (P= 0.036). Subjects with high levels of mean clinical attachment loss had significantly higher mean CRP levels (4.06+/-5.55 mg/l) than controls (1.70+/-1.91 mg/l), P= 0.011. The CRP levels were adjusted for factors known to be associated with elevated CRP, including age, smoking, body mass index (BMI), triglycerides, and cholesterol. Age and BMI were found to be significant covariates. The reported range for CRP as a risk factor for CVD, peripheral vascular diseases, or stroke is 1.34 mg/l to 6.45 mg/l and the mean of this range is 3 mg/l. The percentage of subjects with elevated levels of CRP > or = 3 mm was significantly higher in the high clinical AL group (38%; 95% Cl: 26.7%, 49.3%) when compared to the control group (16.9%; 95% CI: 9.25%, 24.5%), P= 0.011. The presence of periodontal pathogens P.g., P.i., C.r., and B.f. in subgingival samples was positively associated with elevated CRP levels (P= 0.029). CONCLUSIONS The extent of increase in CRP levels in periodontitis patients depends on the severity of the disease after adjusting for age, smoking, body mass index, triglycerides, and cholesterol. Also, there are elevated levels of CRP associated with infection with subgingival organisms often associated with periodontal disease, including P.g., P.i., C.r., and B.f. Recent investigations emphasized the role of moderate elevated CRP plasma levels as a risk factor for CVD. The positive correlation between CRP and periodontal disease might be a possible underlying pathway in the association between periodontal disease and the observed higher risk for CVD in these patients.
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Affiliation(s)
- B Noack
- Department of Oral Biology, University at Buffalo, NY 14214, USA
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286
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Jansson L, Lavstedt S, Frithiof L, Theobald H. Relationship between oral health and mortality in cardiovascular diseases. J Clin Periodontol 2001; 28:762-8. [PMID: 11442736 DOI: 10.1034/j.1600-051x.2001.280807.x] [Citation(s) in RCA: 112] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
BACKGROUND, AIMS The purpose of the study was to investigate the relationship between periodontal health and fatal cardiovascular diseases (CVD). METHODS The investigation was conducted on a sample of 1393 individuals in the County of Stockholm. The subjects were examined in an epidemiological study in 1970 with respect to dental health. At a follow-up in 1997, the mortality rate of the sample during the years 1970-1996 was registered as well as cause of death according to the death certificate. Stepwise logistic regression analysis was performed in order to evaluate the influence of the investigated variables on the incidence of death from CVD. RESULTS The interactional effect between plaque and oral health score (a sum of scores for number of missing teeth, apical lesions, caries lesions and marginal bone loss), adjusted for age, gender, smoking and CVD at baseline, was significantly correlated to fatal coronary events. For individuals younger than 45 years of age, the age-adjusted incidence odds ratio of death due to CVD was 2.7 (p=0.04) if subjects with mean marginal bone loss of >10% were compared with subjects with mean marginal bone loss < or =10 %. If the stratum of individuals <45 years of age is confined to smokers, the odds ratio was found to be 3.4 (p=0.03). CONCLUSION Dental health was found to be a risk indicator of death due to CVD, especially in combination with another risk factor, smoking habits.
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Affiliation(s)
- L Jansson
- Department of Periodontology at Skanstull, Folktandvården, Götgatan 100, County of Stockholm, S-118 62 Stockholm, Sweden.
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287
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Gustafsson A, Asman B, Bergström K. Cigarette smoking as an aggravating factor in inflammatory tissue-destructive diseases. Increase in tumor necrosis Factor-alpha priming of peripheral neutrophils measured as generation of oxygen radicals. INTERNATIONAL JOURNAL OF CLINICAL & LABORATORY RESEARCH 2001; 30:187-90. [PMID: 11289709 DOI: 10.1007/s005990070005] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Stimulated neutrophils from subjects with various inflammatory tissue-destructive conditions, such as periodontal, pulmonary, gastrointestinal, and cardiovascular diseases, generate more oxygen radicals and proteases, implicated in tissue destruction, than neutrophils from healthy persons. Cigarette smoking aggravates these diseases. The aim of our study was to investigate the effect of cigarette smoking on the priming capacity of tumor necrosis factor-alpha, measured as generation of radicals from stimulated neutrophils, in smoking and non-smoking subjects with or without periodontitis. The priming effect was higher in neutrophils from smokers. In the group with periodontitis, smoking caused an even greater increase in the generation of radicals, indicating an additive effect of this local disease. The membrane expression of CD11b, CD15, and CD63 was significantly higher on neutrophils from smokers, indicating upregulated neutrophil functions. This increased priming effect of tumor necrosis factor-alpha in smokers subjects could be of importance in the aggravation of tissue-destructive inflammatory diseases.
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Affiliation(s)
- A Gustafsson
- Karolinska Institutet, Department of Medical Laboratory Sciences and Technology, Stockholm, Sweden
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288
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Abstract
In the past decade there has been renewed interest in the old hypothesis that infections increase the risk of developing cardiovascular disease and stroke. There is now a convincing body of evidence that atherosclerosis has a major inflammatory component and is much more than the simple vascular accumulation of lipids. Infectious agents that have been linked to an increased risk of coronary heart disease (CHD) include Chlamydia pneumoniae, Helicobacter pylori, cytomegalovirus, and herpesviruses. The concept has emerged that each of these agents is an independent risk factor for CHD and that common chronic infections are important. In addition, periodontal infections have also been implicated as one of several factors contributing to the development of CHD. Evidence supporting a causative role of chronic infections in CHD is largely circumstantial. However, the evidence is sufficiently strong to warrant further examination of the possible link between chronic infections and CHD. In this review the lines of evidence for a causative role of C. pneumoniae in the development of CHD are summarized and contrasted with the lines of evidence suggesting a periodontal infection--CHD association. If common or widespread chronic infections are truly important risk factors for CHD, it is unlikely that a single infection will be shown to be causative. It is likely that the entire microbial burden of the patient from several simultaneous chronic infections is more important (e.g., H. pylori-caused gastric ulcers + C. pneumoniae-caused bronchitis + periodontitis). Increased cooperation between cardiologists and periodontists will be required to determine if, and what, combinations of common chronic infections are important in the pathogenesis of CHD and stroke.
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Affiliation(s)
- G C Armitage
- Division of Periodontology, Department of Stomatology, University of California, 521 Parnassus Avenue, C-628, Box 0650, UCSF School of Dentistry, San Francisco, CA 94143-0650, USA.
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289
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Saito T, Shimazaki Y, Koga T, Tsuzuki M, Ohshima A. Relationship between upper body obesity and periodontitis. J Dent Res 2001; 80:1631-6. [PMID: 11597023 DOI: 10.1177/00220345010800070701] [Citation(s) in RCA: 230] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Upper body obesity, related to visceral fat accumulation, is known to increase the risk of various adult diseases, especially type 2 diabetes and cardiovascular disease. This study was conducted to clarify the relationship between upper body obesity and periodontitis. We studied 643 apparently healthy, dentulous Japanese adults who attended programs at Fukuoka Health Promotion Center. Waist-hip ratio, body-mass index (BMI), and body fat were significant risk indicators for periodontitis after adjustment for known risk factors (p < 0.002). Subjects were divided into four BMI (or body fat) categories. In only the subjects with high waist-hip ratio, higher categories of BMI (or body fat) significantly increased the adjusted risk of periodontitis, compared with subjects with low waist-hip ratios and the lowest category of BMI (or body fat). The reported relationship between cardiovascular disease and periodontitis should be reconsidered, since abdominal adiposity or visceral fat can be related to both diseases.
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Affiliation(s)
- T Saito
- Dept. of Preventive Dentistry, Kyushu University Faculty of Dental Science, Fukuoka, Japan.
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290
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Takata Y, Ansai T, Matsumura K, Awano S, Hamasaki T, Sonoki K, Kusaba A, Akifusa S, Takehara T. Relationship between tooth loss and electrocardiographic abnormalities in octogenarians. J Dent Res 2001; 80:1648-52. [PMID: 11597026 DOI: 10.1177/00220345010800071001] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Recent reports have suggested that periodontal disease is a risk factor for coronary heart disease (CHD). However, little is known about the relationship between periodontal disease and CHD in the very elderly. Therefore, we evaluated the association between tooth loss and abnormal ECG findings in octogenarians. Of the 1,282 octogenarians in Fukuoka Prefecture, Japan, 697 participated. Oral examinations--including a tooth count and an assessment of the Community Periodontal Index--and a 12-lead ECG were performed. Logistic regression analysis revealed that individuals with < 20 teeth had increased prevalence of ST segment depression, and T-wave abnormalities, after we adjusted for gender, smoking, serum cholesterol and glucose, blood pressure, and body mass index. Compared with individuals with > or = 20 teeth, edentulous individuals had an increased prevalence of T-wave abnormalities and arrhythmias after adjustment for coronary risk factors. We conclude that tooth loss may be an independent predictor of abnormal ECG findings in octogenarians.
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Affiliation(s)
- Y Takata
- Department of Internal Medicine, Kyushu Dental College, Kitakyushu City, Japan.
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291
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Hujoel PP, Drangsholt M, Spiekerman C, Derouen TA. Examining the link between coronary heart disease and the elimination of chronic dental infections. J Am Dent Assoc 2001; 132:883-9. [PMID: 11480641 DOI: 10.14219/jada.archive.2001.0300] [Citation(s) in RCA: 94] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND While it has been suggested that periodontal disease may be associated with coronary heart disease, or CHD, there are no data to suggest that the elimination of chronic dental infections actually lowers the risk of developing chronic CHD. The goal of this study was to determine whether people with a definitive elimination of all potential dental infections--edentulous people, who are at the optimum endpoint of dental infection elimination from a CHD perspective--lower their CHD risk over time when compared with people who have a specific dental infection, periodontitis. METHODS The authors examined data from a prospective cohort of 4,027 people who participated in the First National Health and Nutrition Examination Survey, or NHANES I, Epidemiologic Follow-up Study. The primary outcome measure was the first CHD event. RESULTS During a mean follow-up of 17 years, there were 1,238 CHD events (538 fatal). The confirmed elimination of chronic dental infections did not lead to a decreased risk of experiencing a CHD event (relative risk, 1.02; 95 percent confidence interval, 0.86-1.21). The CHD risk among people with and without chronic dental infections remained constant over time with respect to each other (test for increasing or decreasing trend over time: not significant, chi2(1) = 0.48; P = .93). CONCLUSIONS People who had a complete, definitive and long-term elimination of all potential dental infections through extraction of all teeth did not have lower CHD risk when compared with people with diagnosed periodontitis. CLINICAL IMPLICATIONS Until evidence is found to the contrary, the authors suggest that prevention of CHD should not be used as the basis for recommending treatment to eliminate chronic dental infections.
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Affiliation(s)
- P P Hujoel
- Department of Dental Public Health Sciences, School of Dentistry, University of Washington, Seattle 98195, USA.
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292
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Mucci LA, Brooks DR. Lower use of dental services among long term cigarette smokers. J Epidemiol Community Health 2001; 55:389-93. [PMID: 11350994 PMCID: PMC1731911 DOI: 10.1136/jech.55.6.389] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
STUDY OBJECTIVE Given the advanced stage of most oral cancer cases at diagnosis, it is hypothesised that a significant proportion of higher risk adults do not visit a dentist annually. The study objectives were to assess whether long term smokers were less likely to visit the dentist. DESIGN Data from the 1998 Massachusetts Behavioral Risk Factor Surveillance System, a population-based, random digit dial telephone health survey, were used to evaluate whether adults at higher risk of oral cancer attributable to long term cigarette smoking were less likely to go to the dentist, controlling for socioeconomic, demographic, and health related characteristics. PATIENTS A representative sample of 2119 Massachusetts adults aged 35 and older. MAIN RESULTS Adults who were long term smokers were less likely than never smokers to have visited the dentist in the previous year (adjusted OR = 0.69, 95% confidence intervals (CI) = 0.48, 0.99). Moreover, adults who were at higher risk from both long term smoking and low fruit and vegetable consumption were even less likely to visit the dentist than adults with neither risk factor (adjusted OR = 0.39, 95% CI = 0.22, 0.68). Among long term smokers, the likelihood of a yearly examination decreased with increasing smoking duration and amount smoked per day. CONCLUSIONS These findings support the hypothesis that adults at higher risk of oral cancer attributable to long term cigarette smoking are less likely to have routine dental examinations, even controlling for socioeconomic and health related differences.
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Affiliation(s)
- L A Mucci
- Massachusetts Department of Public Health, Bureau of Health Statistics, Research and Evaluation, 250 Washington Street, 6th floor, Boston, MA 02108, USA.
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293
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Abstract
The theoretical link between foods choice and masticatory efficiency has long been established. Recent evidence has confirmed this association, demonstrating a progressive alteration in food choice with decreasing numbers of teeth, with the greatest effect being among those who are edentulous. This altered food selection results in significant differences in the hematological status for some key nutrients in the one study in which this association was investigated. This paper summarizes some of the literature relevant to diet as a risk factor for systemic disease and identifies areas where altered food choice as a consequence of reduced masticatory efficiency might be placing individuals at increased risk of life-threatening conditions, such as atherosclerosis and cancer.
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Affiliation(s)
- A W Walls
- Dental School, Framlington Place, Newcastle upon Tyne, England NE2 4BW
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294
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Abstract
The oral health of frail elders residing in long-term care facilities is very poor, probably because access to dental services is limited and help with daily mouth care is almost nonexistent. Recent concerns and interest have been raised through the cooperation of administrators, nursing staff, and dental personnel to address this apparent neglect. Moreover, evidence shows that caries and periodontal disorders can be managed successfully in geriatric populations. Consequently, there is a basis on which to develop a practical strategy for mouth care that should reduce the morbidity and early mortality in long-term care and to assist an increasingly frail and dependent population to age successfully.
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Affiliation(s)
- M I MacEntee
- Faculty of Dentistry, University of British Columbia, 2199 Wesbrook Mall, Vancouver, British Columbia, Canada V6T 1Z3.
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295
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Howell TH, Ridker PM, Ajani UA, Hennekens CH, Christen WG. Periodontal disease and risk of subsequent cardiovascular disease in U.S. male physicians. J Am Coll Cardiol 2001; 37:445-50. [PMID: 11216961 DOI: 10.1016/s0735-1097(00)01130-x] [Citation(s) in RCA: 202] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
OBJECTIVES We sought to prospectively assess whether self-reported periodontal disease is associated with subsequent risk of cardiovascular disease in a large population of male physicians. BACKGROUND Periodontal disease, the result of a complex interplay of bacterial infection and chronic inflammation, has been suggested to be a predictor of cardiovascular disease. METHODS Physicians' Health Study I was a randomized, double-blind, placebo-controlled trial of aspirin and beta-carotene in 22,071 U.S. male physicians. A total of 22,037 physicians provided self-reports of presence or absence of periodontal disease at study entry and were included in this analysis. RESULTS A total of 2,653 physicians reported a personal history of periodontal disease at baseline. During an average of 12.3 years of follow-up, there were 797 nonfatal myocardial infarctions, 631 nonfatal strokes and 614 cardiovascular deaths. Thus, for each end point, the study had >90% power to detect a clinically important increased risk of 50%. In Cox proportional hazards regression analysis adjusted for age and treatment assignment, physicians who reported periodontal disease at baseline had slightly elevated, but statistically nonsignificant, relative risks (RR) of nonfatal myocardial infarction, (RR, 1.12; 95% confidence interval [CI], 0.92 to 1.36), nonfatal stroke (RR, 1.10; CI, 0.88 to 1.37) and cardiovascular death (RR, 1.20; CI, 0.97 to 1.49). Relative risk for a combined end point of all important cardiovascular events (first occurrence of nonfatal myocardial infarction, nonfatal stroke or cardiovascular death) was 1.13 (CI, 0.99 to 1.28). After adjustment for other cardiovascular risk factors, RRs were all attenuated and nonsignificant. CONCLUSIONS These prospective data suggest that self-reported periodontal disease is not an independent predictor of subsequent cardiovascular disease in middle-aged to elderly men.
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Affiliation(s)
- T H Howell
- Department of Periodontology, Harvard School of Dental Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA
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296
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Kowolik MJ, Dowsett SA, Rodriguez J, De La Rosa RM, Eckert GJ. Systemic neutrophil response resulting from dental plaque accumulation. J Periodontol 2001; 72:146-51. [PMID: 11288786 DOI: 10.1902/jop.2001.72.2.146] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND There is considerable current interest in putative relationships between oral and systemic diseases. Since the host response to oral bacteria may be the critical link in this association, our hypothesis was that dental plaque accumulation in healthy subjects would elicit a systemic inflammatory response. METHODS Twenty-three healthy subjects, aged 18 to 25, participated in a 4-phase study. An initial hygiene phase was followed by a 21-day experimental phase (the so-called experimental gingivitis model) in which subjects refrained from all oral hygiene practices, thus permitting the accumulation of bacterial plaque. At days 0, 7, and 21 total and differential peripheral white blood cell (wbc) counts, together with full mouth plaque and gingivitis scores, were recorded. Following a 28-day recovery phase, in which normal oral hygiene practices were resumed, subjects entered the final 21-day control phase which mirrored the experimental phase but with subjects maintaining normal oral hygiene practices. RESULTS The experimental model performed as anticipated with a correlation between plaque and gingivitis scores of 0.95, also reflecting subject compliance. Total wbc and neutrophil counts increased during the experimental phase. Furthermore, comparison of neutrophil counts between the experimental and control phases demonstrated a significantly higher cell count for the experimental phase on both days 7 and 21 (P= 0.0301 and 0.009, respectively). For total wbc, this was significant on day 21 (P= 0.0262). CONCLUSION The results of this study support the hypothesis that the accumulation of dental plaque can result in a measurable systemic inflammatory response, providing further in vivo data to support a mechanistic relationship between oral and systemic pathology.
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Affiliation(s)
- M J Kowolik
- Indiana University School of Dentistry, Indianapolis 46202, USA.
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297
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Affiliation(s)
- P Moynihan
- Department of Child Dental Health, Newcastle University Dental School, Newcastle upon Tyne, UK.
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298
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Arbes SJ, Agústsdóttir H, Slade GD. Environmental tobacco smoke and periodontal disease in the United States. Am J Public Health 2001; 91:253-7. [PMID: 11211634 PMCID: PMC1446532 DOI: 10.2105/ajph.91.2.253] [Citation(s) in RCA: 96] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVES Cigarette smoking is a leading risk factor for periodontal disease. This cross-sectional study investigated the relation between environmental tobacco smoke (ETS) and periodontal disease in the United States. METHODS Data were obtained from the Third National Health and Nutrition Examination Survey (1988-1994). The outcome was periodontal disease, defined as 1 or more periodontal sites with attachment loss of 3 mm or greater and a pocket depth of 4 mm or greater at the same site. Exposure to ETS at home and work was self-reported. The study analyzed 6611 persons 18 years and older who had never smoked cigarettes or used other forms of tobacco. RESULTS Exposure to ETS at home only, work only, and both was reported by 18.0%, 10.7%, and 3.8% of the study population, respectively. The adjusted odds of having periodontal disease were 1.6 (95% confidence interval = 1.1, 2.2) times greater for persons exposed to ETS than for persons not exposed. CONCLUSIONS Among persons in the United States who had never used tobacco, those exposed to ETS were more likely to have periodontal disease than were those not exposed to ETS.
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Affiliation(s)
- S J Arbes
- Center for Oral and Systemic Diseases, University of North Carolina School of Dentistry, Campus Box 7455, Chapel Hill, NC 27599-7455, USA.
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299
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Abstract
Most of the documentation of possible causal links between periodontitis and atherosclerosis-related diseases appears indirect or circumstantial. There is, however, an increasing number of both experimental and longitudinal epidemiological studies which seem to support a causal relationship. A critical evaluation of the epidemiological data available might therefore be appropriate. The present study is based on a literature search using Ovid medical data base covering the period from 1989 to October 2000 and applying specific inclusion criteria. Based on a critical evaluation of the 14 investigations selected from a total of 21 retrieved from the search, a causal relationship between periodontitis and atherosclerosis-related diseases appeared possible. However, the nature both of periodontitis and atherosclerosis is multifactorial, and caution should be exercised when implicating periodontal disease in the causation of atherosclerotic disorders.
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Affiliation(s)
- K M Kolltveit
- Institute of Oral Biology, Faculty of Dentistry, University of Oslo, Norway.
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300
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Emingil G, Buduneli E, Aliyev A, Akilli A, Atilla G. Association between periodontal disease and acute myocardial infarction. J Periodontol 2000; 71:1882-6. [PMID: 11156045 DOI: 10.1902/jop.2000.71.12.1882] [Citation(s) in RCA: 87] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND Coronary heart disease is the leading cause of morbidity and mortality throughout the world. Well-known risk factors independently or combined participate in both myocardial infarction and atherosclerosis. Recent data have shown that viral and bacterial infections may also contribute to the acute thromboembolic events. The aim of the present study was to investigate the possible association between periodontal health and coronary heart disease in patients with acute myocardial infarction and chronic coronary heart disease. METHODS A total of 120 patients, 60 with acute myocardial infarction (AMI) and 60 with chronic coronary heart disease (CCHD) were included in this study. The patients in the AMI group (50 men and 10 women; mean age 53.8 +/- 9.5 years) were admitted to the Department of Cardiology, University Hospital of Ege because of AMI. The CCHD patients group (42 men and 18 women; mean age 58.5 +/- 11.6 years) had no documented history of recent acute coronary events. All patients were clinically examined and completed a medical questionnaire. Missing teeth, restorations, probing depth (PD) and bleeding on probing (BOP) were recorded. Blood samples were taken on admission for measurements of serum total cholesterol, triglycerides, high density lipoprotein cholesterol (HDL-cholesterol), low density lipoprotein cholesterol (LDL-cholesterol), and fasting blood glucose level. Sample proportions were compared by chi square test, quantitative variables with Student t test. The relation of clinical parameters and conventional risk factors to AMI was assessed with logistic regression analysis. RESULTS The number of sites with PD > or = 4 mm, the percentage of sites exhibiting BOP, smoking status, total cholesterol, LDL-cholesterol, and triglycerides were statistically different between AMI and CCHD groups (P <0.05). Logistic regression analysis showed that the percentage of sites exhibiting BOP, the number of sites with PD > or = 4, the number of restorations, smoking status, and triglycerides levels were significantly associated with AMI (P <0.05). CONCLUSIONS The results of this study indicate that periodontal disease may be associated with acute myocardial infarction. To our knowledge, this is the first study that reports the importance of periodontal health in the occurrence of acute myocardial infarction in a Turkish population. We propose that prospective randomized studies are needed to determine whether periodontal disease is a risk factor in the occurrence of acute myocardial infarction.
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Affiliation(s)
- G Emingil
- School of Dentistry, Department of Periodontology, Ege University, Izmir, Turkey.
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