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ORIGINAL ARTICLE
Year : 2015  |  Volume : 13  |  Issue : 1  |  Page : 11-13

Effect of long-term smoking on salivary flow rate and salivary pH


1 Department of Public Health Dentistry, K. D. Dental College and Hospital, Mathura, Uttar Pradesh, India
2 Department of Oral Medicine and Radiology, Vasantdada Patil Dental College, Sangli, Maharashtra, India

Correspondence Address:
Dr. Mala Singh
K. D. Dental College and Hospital, Mathura, Uttar Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2319-5932.153549

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Introduction: Saliva is a complex and important body fluid which is very essential for oral health and it is the first biological fluid that is exposed to cigarette smoke, which contains numerous toxic compositions responsible for structural and functional changes in saliva. Aim: To evaluate the long-term effect of smoking on salivary flow rate (SFR) and salivary pH. Materials and Methods: The subjects of the study were divided into smokers and nonsmokers. Each group comprised of 35 male adults. The saliva of each subject was collected under resting conditions. They were asked to spit in a graduated container at an interval of 60 s for 5 min. Salivary pH was measured immediately after measuring SFR using the (Indikrom Paper) pH indicator and calibrated cylinder. Based on the color change of the indicator paper strip, the pH was assessed in comparison with a color chart. Data were analyzed by Student's t-test using SPSS 15. Results: The mean (±standard deviation) SFR and pH were 0.20 (±0.05) ml/min and 6.30 (±0.36) respectively in smokers while the mean SFR and pH were 0.36 (±0.06) ml/min and 7.10 (±0.24) in nonsmokers. The difference was statistically significant (P = 0.00). Conclusion: Long-term smoking significantly reduces the SFR and salivary pH.


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