The social progress has led to an improvement in transport, food readily available and new devices, which allowed people greater agility. However, it imposed consumption of a diet provided more calories and provided less energy expenditure. This imbalance between energy intake and expenditure has led to an increase in the prevalence of obesity and, as a consequence, the development of metabolic syndrome (MS). Metabolic Syndrome (MS) is the involvement of at least three of five characteristics: I. abdominal obesity, II. Elevated triglycerides levels III. Cholesterol levels of high density lipoprotein (HDL-C) reduced; IV. Hypertension; V. Fasting glucose changed. IBGE has released data on the prevalence of overweight and obesity in the Brazilian population, whereas among males the prevalence was 50.1 % to overweight and 12.4% to obesity. Among females, the proportion of overweight was 48 % and obesity 16.9 %. More than half the population has tooth loss indicating use of dental prosthesis, either total or partial prosthesis. Thus, the aim of this study is to evaluate the clinical characteristics of patients with metabolic syndrome (MS) in the pre bariatric surgery and its correlation with loss of teeth. The sample will consist of 60 patients treated in the clinic Bariatric Surgery Hospital Amaral Carvalho and they may be in clinical treatment in the pre bariatric surgery. The general data will be collected from medical records and the oral examination will be conducted during clinical care. The presence and the absence of teeth and need of prostheses will be noted. Data will be collected through a form properly made for research, that the recorder will transcribe data from medical records relating to the survey universe. The collected data will be organized and annotated with dual input files in the Excel for Mac 2011. The presentation of results will consist of a descriptive part, in the form of tables and graphs, in which data (variables) will be presented as mean and standard deviation. Statistical analysis will be initially applied the test of normality and homogeneity of the data, and then used the appropriate statistical test.
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