Oral manifestations in young adults infected with COVID-19 and impact of smoking: a multi-country cross-sectional study

  • Maha El Tantawi
  • , Heba Jafar Sabbagh
  • , Nada Abubakor Alkhateeb
  • , Maryam Quritum
  • , Joud Abourdan
  • , Nafeesa Qureshi
  • , Shabnum Qureshi
  • , Ahmed Hamoud
  • , Nada Mahmoud
  • , Ruba Odeh
  • , Nuraldeen Maher Al-Khanati
  • , Rawiah Jaber
  • , Abdulrahman Loaie Balkhoyor
  • , Mohammed Shabi
  • , Morenike O. Folayan
  • , Noha Gomaa
  • , Raqiya Al Nahdi
  • , Nawal Mahmoud
  • , Hanane El Wazziki
  • , Manal Alnaas
  • Bahia Samodien, Rawa Mahmoud, Nour Abu Assab, Sherin Saad, Sondos Al-Hachim, Ali Alshaikh, Wafaa Abdelaziz

    Research output: Contribution to journalArticlepeer-review

    14 Citations (Scopus)
    149 Downloads (Pure)

    Abstract

    Background: Oral manifestations and lesions could adversely impact the quality of people's lives. COVID-19 infection may interact with smoking and the impact on oral manifestations is yet to be discovered. Objectives: The aim of this study was to assess the self-reported presence of oral lesions by COVID-19-infected young adults and the differences in the association between oral lesions and COVID-19 infection in smokers and non-smokers. Methods: This cross-sectional multi-country study recruited 18-to-23-year-old adults. A validated questionnaire was used to collect data on COVID-19-infection status, smoking and the presence of oral lesions (dry mouth, change in taste, and others) using an online platform. Multi-level logistic regression was used to assess the associations between the oral lesions and COVID-19 infection; the modifying effect of smoking on the associations. Results: Data was available from 5,342 respondents from 43 countries. Of these, 8.1% reported COVID-19-infection, 42.7% had oral manifestations and 12.3% were smokers. A significantly greater percentage of participants with COVID-19-infection reported dry mouth and change in taste than non-infected participants. Dry mouth (11.1% vs 7.5%, p = 0.009) and change in taste (11.5% vs 2.7%, p < 0.001) were greater in COVID-19 infected than non-infected persons. The association between COVID-19-infection and dry mouth was stronger among smokers than non-smokers (AOR = 1.26 and 1.03, p = 0.09) while the association with change in taste was stronger among non-smokers (AOR = 1.22 and 1.13, p = 0.86). Conclusion: Dry mouth and changed taste may be used as an indicator for COVID-19 infection in low COVID-19-testing environments. Smoking may modify the association between some oral lesions and COVID-19-infection.

    Original languageEnglish
    Article numbere13555
    Number of pages13
    JournalPeerJ
    Volume10
    DOIs
    Publication statusPublished - 15 Jul 2022

    Keywords

    • COVID-19
    • Dry mouth
    • Oral lesions
    • Smoking

    ASJC Scopus subject areas

    • General Neuroscience
    • General Biochemistry,Genetics and Molecular Biology
    • General Agricultural and Biological Sciences

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