Journal of Indian Society of Periodontology
Journal of Indian Society of Periodontology
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Year : 2012  |  Volume : 16  |  Issue : 4  |  Page : 508-512

Chairside quantitative immunochromatographic evaluation of salivary cotinine and its correlation with chronic periodontitis

1 Department of Periodontics, St. Joseph Dental College, Duggirala, Eluru, Andhra Pradesh, India
2 Department of Periodontics, SIBAR Institute of Dental Sciences, Guntur, Andhra Pradesh, India

Correspondence Address:
Chamarthi Surya
Department of Periodontics, St. Joseph Dental College, Duggirala, Eluru, Andhra Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-124X.106888

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Background: Cigarette smoking is an established and modifiable risk factor for periodontitis. Periodontitis appears to be dose-dependent on smoking. The purpose of this study was to assess a reliable marker of tobacco smoke exposure (salivary cotinine) chairside and to confirm the quantitative association between smoking and chronic periodontitis. Materials and Methods: Saliva samples from 80 males, aged 30-60 years, with chronic periodontitis, were evaluated chairside using NicAlert cotinine test strips (NCTS). Patients were divided into two groups: A (cotinine negative) and B (cotinine positive). Plaque index (PI), Gingival index (GI), gingival bleeding index (GBI), probing pocket depth (PPD), clinical attachment level (CAL), and gingival recession (GR) were compared between the two groups and among the subjects of group B. Results: Comparison showed that the severity of PPD (P<0.001), CAL (P<0.001), and GR (P<0.001) was more in group B than in group A. Severity of all periodontal parameters increased with increased salivary cotinine among the subjects in group B. Conclusion: Quantitative direct association can be established between salivary cotinine and the severity of periodontitis. Immunochromatography-based cotinine test strips are a relatively easy method for quantification of salivary cotinine chairside. Immediate and personalized feedback from a chairside test can improve compliance, quit rates, and ease reinforcing smoking cessation.

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