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PRACTITIONER SECTION
Year : 2009  |  Volume : 13  |  Issue : 3  |  Page : 172-174 Table of Contents   

Metabolic syndrome and periodontal disease


1 Professor and Head, Department of Periodontology, Government Dental College and Hospital, Patiala, Punjab, India
2 PG student, Department of Periodontology, Government Dental College and Hospital, Patiala, Punjab, India

Date of Submission12-Mar-2009
Date of Acceptance30-Jun-2009
Date of Web Publication3-Mar-2010

Correspondence Address:
Vipin Bharti
15, Dhaliwal Colony, Jagdish Ashram, Patiala, Punjab
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0972-124X.60234

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   Abstract 

It is important for a dentist to be well informed and updated on the latest research on the association of oral and systemic health. Of late, the metabolic syndrome has gained importance in dental literature, and metabolic syndrome and periodontal disease have been linked. Metabolic syndrome (MeS) is a group of three or more (up to five) interrelated metabolic abnormalities, which increases the risk of cardiovascular morbidity and mortality. Also, both MeS and periodontal disease may be linked through a common pathophysiological pathway. Some studies have been conducted to show such an association and additional studies are required to establish this association. A dental surgeon can play a major role in evaluating patients with MeS and thus prevent the development of overt cardiovascular disease.

Keywords: Cardiovascular disease, insulin resistance, metabolic syndrome, periodontal disease, type 2 diabetes obesity


How to cite this article:
Bharti V, Khurana P. Metabolic syndrome and periodontal disease. J Indian Soc Periodontol 2009;13:172-4

How to cite this URL:
Bharti V, Khurana P. Metabolic syndrome and periodontal disease. J Indian Soc Periodontol [serial online] 2009 [cited 2021 Apr 16];13:172-4. Available from: https://www.jisponline.com/text.asp?2009/13/3/172/60234


   Introduction Top


Hardly a day goes by in the world of dentistry without some mention of oral systemic relationship. It is important for the dentist to be well informed about the latest research in oral systemic relationship and implement appropriate plans for its prevention and treatment. Of late, metabolic syndrome (MeS) and periodontal disease have been linked. According to the Adult Treatment Panel III and recent consensus workshops, MeS is defined as the concurrence of not only hypertension and atherogenic lipid profiles (hypertriglyceridemia and low density lipoproteins), but also obesity and insulin resistance. A proinflammatory and procoagulant state, with elevation of C-reactive protein and fibrinogen coexist in this syndrome. Also, periodontal diseases have been associated with systemic alteration such as, low grade inflammation, dyslipidemia, a procoagulant state, glucose intolerance, and endothelial dysfunction. Therefore, both MeS and periodontal disease may be linked through a common pathophysiological pathway. [1]


   Metabolic Syndrome is Worth Caring About Top


MeS is a condition that can pave the way to type 2 diabetes mellitus and cardiovascular disease. A diagnosis of MeS is associated with doubling the risk for future cardiovascular diseases and type 2 diabetes mellitus. [1] Thus, MeS is one of the major public issues of our time. It is known by different names - Syndrome X, Deadly Quartet, insulin resistance syndrome, and plurimetabolic syndrome. [2]


   Definition and Diagnosis of Metabolic Syndrome Top


Important definitions [3] have been proposed by the World Health Organization (WHO) and the European Group for the Study of Insulin Resistance (EGIR) in 1999, National Cholesterol Education Program Adult Treatment Panel III (NCEP ATP) in 2001, and the latest by the International Diabetic Federation (IDF) in 2005 [Table 1] and [Table 2].


   Epidemiology Top


The study results based on the Third National Health and Nutrition Examination Survey (NHANES III) indicate that approximately one-fourth of the US adults, 20 years or older, meet the diagnostic criteria for MeS. Looking at various studies around the world, which include population samples, aged 20-25 and upwards, the prevalence varies from 8 (India) to 24% (United States) in men and from 7 (France) to 46% (India) in women. [4]

MeS is common among Arab populations in Mediterranean countries and among Arab Americans. In Jordan, a cross-sectional study showed a prevalence of 36.3% of MeS. [5]


   Aetiopathogenesis Top


Many factors affect the pathogenesis of MeS. Age, gender, ethnicity, diet, physical activity, various unknown genetic, and endocrine factors, all play a role. However, the pathogenesis of MeS is poorly understood, although, insulin resistance and central obesity are fundamental. [6]

A simple model of MeS would include low level of exercise and high dietary intake, leading to body fat accumulation (Obesity). Obesity is associated with increased insulin resistance [Table 3]. The abundant free fatty acids (FFAs) from expanded adipose tissue decrease insulin sensitivity in muscles. As a result, there is diminished glucose disposal, hyperglycemia, and pancreatic beta cell stimulation to produce extra insulin (hyperinsulinemia). The residual FFAs, which are not absorbed in the muscle cells, are diverted to the liver via the portal vein. In the liver, these FFAs alter lipoprotein production, leading to dyslipidemia. The putative link between hyperinsulinemia and hypertension may be through sympathetic nervous system stimulation, causing vasoconstriction and increased renal Na reabsorption. [7]

Also, adipose tissue, secretes numerous immunomodulatory factors called ADIPOKINES that promote the risk factors of MeS [Table 4]. [8],[9]


   Periodontal Disease and Metabolic Syndrome Top


Meta-analyses have shown the association of periodontal diseases and cardiovascular diseases. There is growing evidence that suggests an association among periodontal diseases and the risk factors for cardiovascular disease, including obesity, [10],[11] dyslipidemia, [12],[13] diabetes mellitus, [14] and hypertension. [15] Few studies are carried out if the accumulation of the above risk factors in the form of MeS increases the risk of periodontal disease. As described earlier, both the metabolic syndrome and periodontal disease are associated with systemic inflammation, insulin resistance, and endothelial dysfunction; these two diseases are linked through a common pathophysiological pathway. This could explain the almost 20% increase risk of cardiovascular disease reported in patients with periodontitis. [1]

Nishmura et al, [16] proposed that periodontal disease should be considered a part of MeS. Shimazaki et al, [17] conducted a periodontal examination on 584 women with MeS and found that women with more components of MeS had a significantly higher odds ratio for greater probing depth and clinical attachment loss.

D'Aiuto et al, [1] examined 13,994 men and women in a cross- sectional survey. The prevalence of the MeS was 18, 34, and 37% among individuals with mild, moderate, and severe periodontitis, respectively.

Khader et al, [5] conducted a study in 78 patients with MeS and 78 patients without MeS. Results showed that the percentage of sites with clinical attachment loss and probing depth ≥ 3 mm were significantly greater among patients with MeS. Percentage of sites with clinical attachment loss ≥ 3 mm increased with an increase in components of MeS.

Additional large-scale longitudinal, epidemiological, and intervention studies are needed to establish the association of the MeS and periodontal disease.


   Management of Metabolic Syndrome Top


The International Diabetes federation (IDF) recommended, "Management of the MeS should be aggressive and uncompromising in its aim to reduce the risk of cardiovascular disease and type 2 diabetes. Patients should undergo a full cardiovascular risk assessment". [4] Similarly, in 2005, the AHA/NHLBI (American Heart Association/National Heart, Lung and Blood Institute) scientific statement recommended, "to reduce lifetime risk for atherosclerotic cardiovascular disease, all individuals found to have the metabolic syndrome deserve long-term management and follow-up in the clinical setting." [18]

The prime emphasis in individuals with MeS is to mitigate the underlying risk factors (obesity, physical inactivity, and atherogenic diet) through lifestyle changes. In people for whom lifestyle changes is not enough, drug therapy may be required. It is necessary to treat individual components of MeS in order to reduce the individual risk associated with every single component.

Dental surgeons can also play a great role in evaluating such patients. Dental surgeons treating patients with medical histories and physical signs indicating possible metabolic disorder such as increased waist circumference as well as hypertension should ask a patient if he or she has ever been evaluated for MeS or its component risk factors, because early comprehensive intervention may prevent the development of overt cardiovascular disease. [7] If the patient is not under a physician's care, the dental surgeon should refer him or her for proper evaluation and treatment.


   Conclusion Top


MeS is a significant predictor of cardiovascular disease and type 2 diabetes. Early intervention by the physician as well as dental surgeon can prevent the development of overt cardiac problems. The underlying biological mechanisms showing a relation between MeS and periodontal disease remains to be established and more studies are required to prove this association.

 
   References Top

1.D'Aiuto F, Sabbah W, Netuveli G, Hingorani AD, Deanfield J, Tsakos G. Association of the metabolic syndrome with severe periodontitis in a large US population-based survey. J Clin Endocrinol Metab 2008;90:3989-94.  Back to cited text no. 1      
2.Gogia A, Agarwal PK. Metabolic syndrome. Indian J Med Sci 2006;60:72-81.  Back to cited text no. 2  [PUBMED]  Medknow Journal  
3.Lorenzo C, Williams K, Hunt KJ, Haffner SM. The National Cholesterol Education Programme-Adult Treatment Panel III, International Diabetes Federation and World Health Organization definitions of the metabolic syndrome as predictors of incident cardiovascular disease and diabetes. Diabetes Care 2007;30:8-13.  Back to cited text no. 3      
4.Alberti KG, Zimmet P, Shaw J; IDF Epidemiology Task Force Consensus Group. The metabolic syndrome: A new worldwide definition. Lancet 2005;366:1059-62.   Back to cited text no. 4      
5.Khader Y, Khassawneh B, Obeidat B, Hammad M, El-Salem K, Bawadi H, et al. Periodontal status of patients with metabolic syndrome compared to those without metabolic syndrome. J Periodontol 2008;79:2048-53.  Back to cited text no. 5      
6.Bird C. Metabolic syndrome: A medical controversy. Biomed Dent 2007;14:1008-9.  Back to cited text no. 6      
7.Friendlander AH, Weinrab J, Friendlander I, Yagiela JA. Metabolic syndrome: Pathogenesis, medical care and dental implications. J Am Dent Assoc 2007;138:179-87.  Back to cited text no. 7      
8.Ritchie CS. Obesity and periodontal disease. Periodontol 2000 2007;44:154-63.  Back to cited text no. 8      
9.Pischon N, Heng N, Bernimoulin JP, Kleber BM, Willich SN, Pischon T. Obesity, inflammation and periodontal disease. J Dent Res 2007;86:400-9.  Back to cited text no. 9      
10.Saito T , Shimazaki Y, Koga T, Tsuzuki M, Ohshima A. Relationship between upper body obesity and periodontitis. J Dent Res 2001;80:1631-6.  Back to cited text no. 10      
11.Saito T, Shimazaki Y, Kiyohara Y, Kato I, Kubo M, Iida M, et al. Relationship between obesity, glucose tolerance, and periodontal disease in Japanese women: The Hisayama study. J Periodontal Res 2005;40:346-53.  Back to cited text no. 11      
12.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.  Back to cited text no. 12      
13.Moeintaghavi A, Haerian-Ardakani A, Talebi-Ardakani M, Tabatabaie I. Hyperlipidemia in patients with periodontitis. J Contemp Dent Pract 2005;6:78-85.  Back to cited text no. 13      
14.Soskolne WA, Klinger A. The relationship between periodontal diseases and diabetes: An overview. Ann Periodontol 2001;6:91-8.  Back to cited text no. 14      
15.Joss A, Adler R, Lang NP. Bleeding on probing: A parameter for monitoring periodontal conditions in clinical practice. J Clin Periodontol 1994;21:402-8.  Back to cited text no. 15      
16.Nishimura F, Soga Y, Iwamoto Y, Kudo C, Murayama Y. Periodontal disease as part of the insulin resistance syndrome in diabetic patients. J Int Acad Periodontol 2005;7:16-20.  Back to cited text no. 16      
17.Shimazaki Y, Saito T, Yonemoto K, Kiyohara Y, Lida M, Yamashita Y. Relationship of metabolic syndrome to periodontal disease in Japanese women: The Hisayama study. J Dent Res 2007;86:271-5.  Back to cited text no. 17      
18.Grundy SM, Cleeman JI, Daniels SR, Donato KA, Eckel RH, Franklin BA, et al. Diagnosis and management of the metabolic syndrome: An American Heart Association/National Heart, Lung, and Blood Institute scientific statement. Circulation 2005;112:2735-52.  Back to cited text no. 18      



 
 
    Tables

  [Table 1], [Table 2], [Table 3], [Table 4]


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    Abstract
    Introduction
    Metabolic Syndro...
    Definition and D...
    Epidemiology
    Aetiopathogenesis
    Periodontal Dise...
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