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Year : 2022  |  Volume : 13  |  Issue : 5  |  Page : 21-25

Salivary oxidative stress level among tobacco chewers and smokers: A comparative Study

Department of Public Health Dentistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India

Correspondence Address:
Dr. Arthi Balasubramaniam
Department of Public Health Dentistry, Saveetha Dental College and Hospitals, 162, Poonamalee High Road, Chennai - 600 077, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/japtr.japtr_116_22

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Tobacco contains various toxic contents which produce oxygen-free radicals that damage oral tissues. Since saliva encounters tobacco, it has antioxidant defense system and also can serve as a biomarker for oral diseases. Thus, the present study aims to evaluate salivary oxidative stress levels among smokers and chewers. Unstimulated saliva from 240 males who visited tobacco cessation clinic for the first time was collected. Standard protocol was followed to collect saliva and assess salivary antioxidant levels from 80 participants with the habit of smoking, smokeless, and both (smoking and smokeless) tobacco users. The collected data were statistically analyzed. The mean salivary superoxide dismutase and malonyldialdehyde levels were significantly high for participants with both habits (P < 0.000). There was a significant high reduction of glutathione peroxidase and catalase in participants with both habits (P < 0.000). Both smoking and smokeless tobacco modify salivary antioxidant activity. The estimation of salivary oxidative stress can serve as a diagnostic and prognostic biomarker for oral tissue damage and dysplasia. Furthermore, they can function as early biomarkers in preventing dysplastic changes in the oral cavity.

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