| ORIGINAL ARTICLE |
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| Year : 2021 | Volume
: 25
| Issue : 5 | Page : 432-437 |
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Effect of fixed orthodontic appliances on self-assessment and diagnosis of halitosis in undergraduate dental students
Diego Dantas Lopes dos Santos1, João Felipe Besegato2, Sâmmea Martins Vieira1, Andrea Abi Rached Dantas2, Aryvelto Miranda Silva2, Alexandre Monteiro da Silva1
1 Department of Dentistry, Faculdade Integral Diferencial – FACID/Wyden, Teresina, PI, Brazil
2 Department of Restorative Dentistry, School of Dentistry, Araraquara, São Paulo State University – UNESP, Araraquara, SP, Brazil
Correspondence Address:
Aryvelto Miranda Silva
Department of Restorative Dentistry, São Paulo State University (UNESP), School of Dentistry, Araraquara, Rua Humaitá, 1680 – Centro, Araraquara 14801-903, São Paulo
Brazil
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/jisp.jisp_327_20
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Background: The effects of fixed orthodontic therapy on the occurrence of halitosis are not yet fully understood. This study aimed to evaluate the effect of fixed orthodontic appliances on self-assessment and diagnosis of halitosis in undergraduate dental students. Materials and Methods: Sixty-two undergraduate dental students were included in this cross-sectional study. Two groups (n = 31 per group) were composed of participants with (study group) or without (control group) fixed orthodontic appliance. Halitosis self-assessment and clinical diagnosis were assessed using a visual analogic scale (VAS) and sulfur volatile compounds (SVCs) assessment, respectively. The subjective (VAS) and objective (SVC) malodor assessments were classified in absence, light, moderate, or severe malodor. Chi-square Pearson test and Spearman's correlation were applied for data analysis, with a significance level of 5%. Results: The use of fixed orthodontic appliances had no effect on self-assessment (P = 0.490) or clinical diagnosis (P = 0.610) of halitosis. Self-assessment was not significantly associated with the diagnosis of halitosis regardless the use of fixed orthodontic appliance (P ≥ 0.737). Male participants showed higher diagnosis of halitosis (P = 0.007). SVC measurements showed the absence of halitosis in 51.6% and 58.1% of participants with or without orthodontic appliances, respectively. Conclusion: The use of fixed orthodontic appliances affected the self-assessment of halitosis but no SVC measurements. It was not verified a correlation between subjective and objective methods to diagnose halitosis in dental students.
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