Skip to main content
Toggle Menu of ADA WebSites
ADA Websites
Toggle Search Area
Toggle Menu
e-mail Print Share
Oral Health Topics

Cannabis: Oral Health Effects

Key Points

  • Cannabis smoking is associated with periodontal complications, xerostomia, and leukoplakia as well as increased risk of mouth and neck cancers.
  • Historically, cannabis has been smoked as marijuana, but is increasingly available in other forms, including edible and topically applied products.
  • Cannabis use has increased in recent years, along with state legalization, although it remains federally banned.
  • Introduction
  • Oral Effects of Cannabis Use
  • Dental Care Implications
  • ADA Policy on Provision of Dental Treatment of Patients with Substance Use Disorders
  • References
  • ADA Resources
  • Other Resources
Topic last updated: August 24, 2020

Prepared by:

Department of Scientific Information, Evidence Synthesis & Translation Research, ADA Science & Research Institute, LLC.


Content on the Oral Health Topics section of is for informational purposes only.  Content is neither intended to nor does it establish a standard of care or the official policy or position of the ADA; and is not a substitute for professional judgment, advice, diagnosis, or treatment.  ADA is not responsible for information on external websites linked to this website.