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Intro <p>The aim of this study was to evaluate the incidence, severity, duration of oral manifestations in individuals with Coronavirus Disease 2019 (COVID-19) and the association of these manifestations with the severity of COVID-19 and the patient's oral hygiene.</p> Methods <p>This study included 820 patients with confirmed COVID-19. A questionnaire form including oral hygiene habits, the severity of Covid-19, the presence, severity and durations of oral manifestations was prepared, and a web-based survey was performed using Google-forms. Obtained data was analysed with Pearson chi-square and Fisher's exact tests with statistical significance set at <i>P</i> &lt; 0.05.</p> Results <p>The most commonly reported manifestations were taste dysfunction (63.4%), xerostomia (59.9%), halitosis (31.1%), dysphagia (27.8%), hypersensitive teeth (27.2%) and gingival bleeding (14.3%). The incidence of the oral manifestations was found significantly associated with severity of COVID-19 (<i>P</i> = 0.000&#xa0;V = 0.151), presence of systemic diseases (<i>P</i> = 0.034, V = 0.074) and age (<i>P</i> = 0.023, V = 0.099). Tooth brushing decreased the incidence of aphthous like lesions of tongue during Covid-19 (<i>p</i> &lt; 0.05).</p> Conclusion <p>Maintenance of oral hygiene was associated with a reduced incidence of aphthous-like lesions, underscoring the protective role of routine oral care. These findings highlight the need to integrate oral health assessment and hygiene education into COVID-19 management protocols, which may also be important for potential future pandemics.</p>

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Oral hygiene influence on the incidence and severity of oral manifestations in Coronavirus Disease 2019

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年5月21日

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  • Başak Yılmaz Çınar,
  • Oya Türkoğlu,
  • Sema Becerik

摘要

Intro

The aim of this study was to evaluate the incidence, severity, duration of oral manifestations in individuals with Coronavirus Disease 2019 (COVID-19) and the association of these manifestations with the severity of COVID-19 and the patient's oral hygiene.

Methods

This study included 820 patients with confirmed COVID-19. A questionnaire form including oral hygiene habits, the severity of Covid-19, the presence, severity and durations of oral manifestations was prepared, and a web-based survey was performed using Google-forms. Obtained data was analysed with Pearson chi-square and Fisher's exact tests with statistical significance set at P < 0.05.

Results

The most commonly reported manifestations were taste dysfunction (63.4%), xerostomia (59.9%), halitosis (31.1%), dysphagia (27.8%), hypersensitive teeth (27.2%) and gingival bleeding (14.3%). The incidence of the oral manifestations was found significantly associated with severity of COVID-19 (P = 0.000 V = 0.151), presence of systemic diseases (P = 0.034, V = 0.074) and age (P = 0.023, V = 0.099). Tooth brushing decreased the incidence of aphthous like lesions of tongue during Covid-19 (p < 0.05).

Conclusion

Maintenance of oral hygiene was associated with a reduced incidence of aphthous-like lesions, underscoring the protective role of routine oral care. These findings highlight the need to integrate oral health assessment and hygiene education into COVID-19 management protocols, which may also be important for potential future pandemics.