While novel nicotine products are gaining traction and credibility as alternatives to traditional smoking and tools for reducing tobacco harm, their rising use, particularly among young adults, has prompted concerns about their long-term effects on health. The oral cavity, as the primary point of contact for these products, is an area that has raised concerns and subsequent research. Vape critics have consistently argued that e-cig aerosols contain a mix of nicotine, flavourings, volatile organic compounds, heavy metals, carcinogens, and other hazardous substances. They highlight that these compounds are deposited in one’s mouth, potentially disrupting the delicate balance of host-microbial ... [Read more]