Chronic mechanical irritation enhances the effect of tobacco and alcohol on the risk of oral squamous cell carcinoma: a case-control study in Argentina

Eduardo David Piemonte*, Jerónimo Pablo Lazos, Gerardo Marcelo Gilligan, René Luis Panico, Laura Cecilia Werner, Yi Hsin Yang, Saman Warnakulasuriya

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Objectives: Oral squamous cell carcinoma (OSCC) is a multifactorial disease. The individual effect of each risk factor for OSCC may be conditioned by the frequency of other factors. The objective of this study was to identify the association between chronic mechanical irritation (CMI) and OSCC and to analyse the influence of CMI on other important risk factors for OSCC. Materials and methods: A prospective and age/sex-matched case-control study was performed in two institutions from Argentina between 2009 and 2019, with consecutive and newly diagnosed OSCC. The frequencies of tobacco, alcohol, and CMI were analysed using conditional logistic regression. Cumulative tobacco consumption and the presence of CMI were analysed using the Mann-Whitney test. Results: CMI and OSCC were associated with an OR of 7.02 (95% CI 3.57–13.78, p < 0.001). The combination of CMI and alcohol demonstrated the highest risk of OSCC (OR 53.83, CI 95% 8.04–360, p < 0.0001), followed by the combination of CMI, tobacco, and alcohol (OR 48.06, CI 95% 8.47–272, p < 0.0001). The combination of CMI and tobacco was also significant (OR 5.61, CI 95% 1.07–29.54, p = 0.042). Patients with CMI developed OSCC with less cumulative tobacco use compared with those without CMI. Conclusion: CMI is an independent risk factor for OSCC, and it could act as a risk modifier among tobacco and alcohol users having an enhancing effect. Clinical relevance: Elimination of CMI could decrease the risk of OSCC.

Original languageEnglish
Pages (from-to)6317-6326
Number of pages10
JournalCLINICAL ORAL INVESTIGATIONS
Volume26
Issue number10
DOIs
Publication statusPublished - Oct 2022

Keywords

  • Alcohol
  • Case-control study
  • Chronic mechanical irritation
  • Oral squamous cell carcinoma
  • Risk factors
  • Tobacco

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