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ORIGINAL ARTICLE
Year : 2016  |  Volume : 3  |  Issue : 3  |  Page : 94-98

Assessment of halitosis using the organoleptic method and volatile sulfur compounds monitoring


1 Department of Preventive Dental Sciences, College of Dentistry, Prince Sattam Bin Abdulaziz University, Al Kharj, Kingdom of Saudi Arabia
2 Department of Conservative Dental Sciences, College of Dentistry, Prince Sattam Bin Abdulaziz University, Al Kharj, Kingdom of Saudi Arabia
3 Department of Prosthodontics Dental Sciences, College of Dentistry, Prince Sattam Bin Abdulaziz University, Al Kharj, Kingdom of Saudi Arabia
4 Al Kharj Armed Forces Hospital, Al Kharj, Kingdom of Saudi Arabia

Correspondence Address:
Khalid Gufran
Department of Preventive Dental Sciences, College of Dentistry, Prince Sattam Bin Abdulaziz University, Al Kharj
Kingdom of Saudi Arabia
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2348-2915.194833

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Introduction: Halitosis can be tested using two main methods, organoleptic and assessment of volatile sulfur compounds (VSCs), using an electronic meter like Halimeter. Therefore, the present study was conducted to measure the oral malodor of volunteers by means of the organoleptic method and VSCs monitoring and to evaluate the diagnostic value of the Halimeter in the diagnosis of halitosis. Materials and Methods: A cross-sectional observational study was conducted to compare the two diagnostic aids for halitosis. The study population included 110 volunteers, all males, between the ages of 18 and 45 years selected from academic staff, students, and patients of college. Evaluation and comparison of two main methods for halitosis were done, namely, organoleptic and Halimeter. Specificity, positive predictive value (PPV), negative predictive value (NPV), and disease prevalence were calculated for the sulfide monitor test. Receiver operating characteristic (ROC) curve was used to determine the diagnostic values of Halimeter to differentiate individuals with and without halitosis. Results: The correlation coefficient between VSC grading and organoleptic score (Kendall's tau-b) was −0.1090, which was not significant (P = 0.2170). Sensitivity and specificity of sulfide monitor grades for detecting individuals with and without halitosis were 20.75% and 66.67%, respectively. The PPV for the Halimeter was 36.67%, and the NPV was 47.50%. A total of 48.18% of all subjects were accurately identified and differentiated. The area under the ROC curve was 0.5790 (95% confidence interval: 0.4600-0.6980). Conclusion: In the present study, the Halimeter was not found to have a good correlation with the organoleptic method. However, due to the diverse influencing factors, proof of halitosis should always be obtained with two different methods.


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