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From Vape to Disease: Evaluating the Oral Health Threat of Electronic Nicotine Delivery Systems (ENDS) Products. A Review of the Literature

Abdulwahab Zidan, Heba Abdulwahab Ghila, M. Nghnughi

SVOA Dentistry, 2025

Abstract

The global rise in electronic cigarette (e-cigarette) use, particularly among youth and young adults, has prompted

growing concern regarding their implications for oral health. This comprehensive review synthesizes findings from six

peer-reviewed studies published between 2020 and 2025, including systematic reviews and meta- analyses. The

evidence indicates that while e-cigarettes may pose fewer oral health risks than traditional combustible tobacco

products, they are far from benign. Commonly reported effects include mouth and throat irritation, increased plaque

accumulation, gingival inflammation, periodontal tissue breakdown, reduced salivary antioxidant capacity, and

disturbances in the oral microbiome. Additionally, in vitro and clinical studies reveal cytotoxic, genotoxic, and

pro-inflammatory responses in oral tissues exposed to e-cigarette aerosols, which often contain harmful substances

such as heavy metals, aldehydes, and volatile organic compounds. Although some data suggest that switching from conventional cigarettes to e- cigarettes may confer limited periodontal benefits, the use of e-cigarettes is still

associated with significantly poorer oral health outcomes compared to non-smoking controls. The reviewed literature

consistently concludes that e-cigarettes should not be recommended as a harm-free alternative or a

cessation aid without further long-term evidence. These findings underscore the need for enhanced public awareness,

regulatory oversight, and robust…

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