Cannabis and Oral Health Implications for 3 Priority Populations: A Special Communication.
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As the legal status and social perceptions of cannabis shift globally, the potential impact of cannabis use on health and well-being merits heightened attention among practitioners and researchers, including possible effects on oral health. Evidence suggests that cannabis use may be associated with adverse oral health outcomes, including periodontal disease and xerostomia, with less conclusive links to dental caries and oral cancer. It is also becoming increasingly clear that certain population segments are at greater risk of cannabis use and may consequently face a greater burden of oral disease, underscoring the need for focused research and targeted interventions. In response to these concerns, a group of researchers convened a symposium titled "Cannabis and Oral Health: A Focus on Priority Populations" at the 2025 AADOCR/CADR Annual Meeting and Exhibition (American Association for Dental, Oral, and Craniofacial Research and Canadian Association for Dental Research). This session aimed to highlight the unique oral health challenges faced by priority populations in the context of a changing landscape of cannabis use. The presenters examined cannabis' impact among populations with whom they closely work, including Indigenous Canadians, adolescents and young adults, and 2SLGBTQI+ youth (Two-Spirit, lesbian, gay, bisexual, transgender, queer or questioning, intersex, and people that identify with other sexual orientations, gender identities, and expressions). Understanding the specific effects of cannabis on these groups is crucial, as social determinants of health are deeply intertwined with oral health outcomes. Historical and societal inequities, compounded by emerging health risks, demand a participatory research approach and targeted public health strategies. Evidence presented at the symposium highlights the need of addressing cannabis-related oral health impacts through inclusive, population-specific research and policy. A nuanced understanding of this evolving issue can inform the development of clinical guidelines and public health initiatives aimed at mitigating harm among populations that have been vulnerable within our societies. The symposium and this communication serve as a call to action for the dental and research communities to prioritize these perspectives in future work.Knowledge Transfer Statement:Amid shifting social and legal contexts, cannabis takes on heightened importance as a potential risk factor for oral diseases. Among specific priority populations, cannabis is one of several confluent health determinants that merits greater recognition and tailored research attention to inform appropriate clinical and public health practice.