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  11. What Are The Oral Health Implications Of Using Snus? A Systematic Review

What are the oral health implications of using snus? A systematic review

Tom Bray1, Charlie Rose2, Lyndon Meehan3

  • 1School of Dentistry, University Dental Hospital, Cardiff, UK.

The British Journal of Oral & Maxillofacial Surgery
|June 13, 2025

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View abstract on PubMed

Summary
This summary is machine-generated.

Smokeless tobacco (SLT) use, particularly snus, is linked to oral mucosal lesions. While evidence suggests snus may not elevate oral cancer risk, further research is needed.

Area of Science:

  • Oral health research
  • Tobacco product impact studies

Background:

  • Smokeless tobacco (SLT) consumption is often perceived as detrimental to oral health.
  • Snus usage is increasing globally, necessitating an evaluation of its specific oral health consequences.

Purpose of the Study:

  • To systematically review and determine the oral health effects associated with snus consumption.
  • To assess the association between snus use and oral cancer risk.

Main Methods:

  • Conducted a systematic literature search across Medline, Web of Science, and Scopus databases.
  • Included studies specifically investigating snus; excluded other smokeless tobacco products.
  • Identified 47 relevant studies for inclusion in the review.

Main Results:

Keywords:
CancerPre-cancerousSnusTobacco

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  • Five of six epidemiological studies found no increased oral cancer risk in snus users.
  • However, three observational studies reported oral cancer cases at the snus application site.
  • Snus use was consistently linked to the development of oral mucosal lesions (snuff dipper's lesions/SDLs).
  • Quitting snus rapidly reversed SDLs, while initiation quickly led to their development.

    • Conclusions:

    • Current evidence suggests snus may not significantly increase the risk of oral cancer.
    • Snus use is strongly associated with oral mucosal lesions, which are reversible upon cessation.
    • Further research is essential to clarify oral cancer risks and examine diverse snus products.