Longitudinal study of halitosis through gas chromatography
DOI:
https://doi.org/10.5335/rfo.v24i2.10438Keywords:
Sulfur compounds, Halitosis, MonitoringAbstract
Objectives: To correlate organoleptic evaluations (subjective method) and gas chromatography (objective method) for the conclusive diagnosis of halitosis and to examine the behavior of volatile sulfur compounds (VSC) during the clinical management of this pathology. Methodology: Longitudinal study with 19 patients diagnosed with halitosis through organoleptic evaluations (EOt1) and gas chromatography (ECGt1), both applied during the initial appointment. All patients were from the city of Ijuí, located in the state of Rio Grande do Sul, Brazil. All 38 complementary analyses were compared using the chi-square test of independence. Regarding the clinical follow-up on the effectiveness of halitosis treatment, and consequently the analysis of VSC behavior, four other gas chromatography tests (ECGt2, ECGt3, ECGt4, and ECGt5) were conducted with each patient, and all (95) were compared using the Wilcoxon test. Results: The correlation between EOt1 and ECGt1 showed concordance in 78.9% of cases, indicating a strong association (p=0.002). The evaluation of the monitoring of sulfate compounds H2S, CH3SH, and (CH3) 2S, which are all involved in some phase of the halitosis genesis, showed a significant reduction of all compounds. Conclusions: The gas and chromatography and organoleptic tests are equivalent for the initial diagnosis of halitosis because they presented significant statistical correlation. Regarding the monitoring of halitosis treatment, gas chromatography was efficient, presenting high reduction rates of all VSC.
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