RRML - Study regarding the correlation between the salivary cotinine concentration and the Community Periodontal Index of Treatment Needs, in young smokers from Constanţa District

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Nr. 18(3)/2010

Study regarding the correlation between the salivary cotinine concentration and the Community Periodontal Index of Treatment Needs, in young smokers from Constanţa District

Nuca I., Amariei I., Badea V., Jipa T.

Abstract:

Background: the role of the salivary cotinine in the periodontal disease is a suggested, but not fully investigated hypothesis. Aim: to evaluate the relationship between the salivary cotinine concentration and the periodontal health status, in 15 - 19 year-old smokers from Constanta District. Material and methods: a sample of 362 subjects (0.07 sampling error; 95% C.L.), participated in a clinical study for collecting 2.5 ml of unstimulated saliva, recording the periodontal status using Community Periodontal Index of Treatment Needs (CPITN Index) and completing a questionnaire regarding the smoking habit. The active smoker’s saliva was tested for cotinine concentration, using NicAlert™ Saliva strip tests. Ethics approval and written consent were obtained. Statistical analyses were performed using SPSS 12. Results: 28.5% (n=103) of subjects were constant smokers, 10.5% (n=38) were occasional smokers and 61% (n=221) were non-smokers. The study found significant higher mean CPITN values in smokers than in non-smokers (p<0.05), and a significant correlation between the individual’s CPITN score and the smoker status (p<0.05). The mean cotinine salivary concentration was higher in constant smokers than in occasional smokers (p<0.05). Significant correlations were found between the individual’s salivary cotinine level and the smoker status, and also between the individual’s cotinine level and the individual’s CPITN score. Conclusion: The significant correlation found in our study between the active smoker’s salivary cotinine level and their CPITN score needs further investigations, suggesting that measuring the salivary cotinine can give useful information for the periodontal risk assessment.

Keywords: cotinine,CPITN Index,periodontal disease,smoker

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I. N, I. A, V. B, T. J. Study regarding the correlation between the salivary cotinine concentration and the Community Periodontal Index of Treatment Needs, in young smokers from Constanţa District. Rev Romana Med Lab. 2010;18(3):61-70