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Self-reported periodontitis association with impaired smell and taste: A multicenter survey
Journal article   Open access   Peer reviewed

Self-reported periodontitis association with impaired smell and taste: A multicenter survey

Luisa Schertel Cassiano, Ana Paula Ribeiro, Marco Anselmo Peres, Rodrigo Lopez, Alexander Fjaeldstad, Leonardo Marchini and Gustavo G Nascimento
Oral diseases, Vol.30(3), pp.1516-1524
04/2024
DOI: 10.1111/odi.14601
PMID: 37114436
url
https://doi.org/10.1111/odi.14601View
Published (Version of record) Open Access

Abstract

To investigate the association between self-reported periodontitis and the senses of taste and smell among employees of one Danish and two American universities. Data were collected through a digital survey. A total of 1239 individuals from Aarhus University - Denmark, the University of Iowa, and the University of Florida - USA were included. Self-reported periodontitis was the exposure. The perceived senses of taste and smell were the outcomes and were measured through a visual analog scale (VAS). Self-perceived halitosis was the mediator. Confounders were age, sex, income, education, xerostomia, COVID-19, smoking, body mass index, and diabetes. The total effect was decomposed into direct and indirect using a counterfactual approach. The total effect of periodontitis on an impaired sense of taste was OR 1.56 (95% CI [1.02, 2.09]), of which 23% was mediated by halitosis (OR 1.13; 95% CI [1.03, 1.22]). Additionally, individuals with self-reported periodontitis had a 53% higher chance of having impaired smell (OR 1.53; 95% CI [1.00, 2.04]), with halitosis mediating 21% of the total effect (OR 1.11; 95% CI [1.02, 1.20]). Our findings suggest that periodontitis is associated with distorted senses of taste and smell. Additionally, this association appears to be mediated by halitosis.
 Periodontal Diseases chemosensory disorders smell taste

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